CN104145084B - For managing the method and system in the gap in piston-mode motor - Google Patents

For managing the method and system in the gap in piston-mode motor Download PDF

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Publication number
CN104145084B
CN104145084B CN201280069300.4A CN201280069300A CN104145084B CN 104145084 B CN104145084 B CN 104145084B CN 201280069300 A CN201280069300 A CN 201280069300A CN 104145084 B CN104145084 B CN 104145084B
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CN
China
Prior art keywords
component
piston
cylinder
fluid
bearing
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Active
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CN201280069300.4A
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Chinese (zh)
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CN104145084A (en
Inventor
J·劳勒
M·斯维塞克
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Manspring Energy Co.,Ltd.
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Etagen Inc
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Priority claimed from US13/340,544 external-priority patent/US9097203B2/en
Priority claimed from US13/340,534 external-priority patent/US8720317B2/en
Priority claimed from US13/340,538 external-priority patent/US9004038B2/en
Priority claimed from US13/340,537 external-priority patent/US20130167797A1/en
Application filed by Etagen Inc filed Critical Etagen Inc
Publication of CN104145084A publication Critical patent/CN104145084A/en
Application granted granted Critical
Publication of CN104145084B publication Critical patent/CN104145084B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B23/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01B23/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B11/00—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
    • F01B11/02—Equalising or cushioning devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/08—Constructional features providing for lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
    • F16J10/02—Cylinders designed to receive moving pistons or plungers
    • F16J10/04—Running faces; Liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/041—Linear electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/02—Sliding-contact bearings
    • F16C29/025—Hydrostatic or aerostatic

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Reciprocating Pumps (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A kind of piston-mode motor may include the non-contact type bearing between piston component and cylinder.Piston can be arranged for translating in the cylinder barrel of cylinder, and non-contact type bearing can be included in the gap between piston component and cylinder barrel.Bearing fluid can be supplied to gap via piston component and/or cylinder to form non-contact type bearing.Bearing element can be used to guiding or otherwise managing flowing of the bearing fluid in gap.Bearing element may include one or more holes, porous part and/or channel for guiding bearing fluid to gap.

Description

For managing the method and system in the gap in piston-mode motor
Background technique
As the compression ratio of engine increases, specific Bore-to-Stroke Ratio (bore-to-stroke ratio) is being kept Meanwhile the surface to volume ratio (surface to volume ratio) at top dead centre (TDC) increases, temperature increases and pressure rise. Have in this way there are three types of main consequence: 1) heat transfer from combustion chamber increases, 2) combustion become difficult and 3) friction and Mechanical loss increases.Because thermal boundary layer with tDC aspect ratio (namely the length of cylinder barrel diameter and combustion chamber it Than) become smaller and become bigger a part of total measurement (volume), so increase of conducting heat.Combustion and realize completely burned all because TDC realize small volume and exist challenge.The raising of chamber pressure is converted into the work acted on engine components Increase firmly.These big active forces can make the mechanical fastener (such as piston pin, piston rod, crankshaft) in engine It is overloaded with pressure energized sealing ring, thus leads to friction, abrasion and/or the increase of failure.
Significant challenge associated with linear piston formula engine is efficiently to convert mechanical work for the kinetic energy of piston And/or electric energy.Space (herein referred to as " gap ") between piston and cylinder wall be to maintain piston to just, avoid piston and Cylinder wall contact and relevant friction loss and the crucial institute for controlling the gas leakage (such as blow-by gas) by piston ?.Gap can pass through the influence of unbalance power that acts on piston, thermotropic expansion or shrinkage (such as solid deformation), variation Engine condition or other correlative factor and be affected.The management in gap, piston temperature, temperature cylinder or combinations thereof is at certain It can be in a little applications desirable.
Summary of the invention
In certain embodiments, a kind of piston-mode motor may include piston and cylinder assembly, the piston and cylinder Component can include fluid bearing in the gap between the cylinder barrel and piston component of cylinder.Piston component can be in cylinder barrel axis To translation, and piston area can be towards the burning zone of the end thereof contacts cylinder of cylinder.At least one bearing element can provide The bearing fluid flowed into the gap between cylinder barrel and piston component is to form fluid bearing.In certain embodiments, bearing Element can be a part of piston component, provide the radially outer flowing of bearing fluid, and piston component may include For guiding the fluid channel of bearing fluid.In certain embodiments, bearing element can be a part of cylinder, provide bearing The radially inward flowing of fluid, and cylinder may include the fluid channel for guiding bearing fluid.Bearing element can be with Including hole, jet face, other any suitable fluid outlets or any combination thereof for providing bearing fluid to gap.
In certain embodiments, a kind of piston-mode motor may include piston and cylinder assembly, the piston and cylinder Component includes with the piston and cylinder from feature placed in the middle.Piston can be configured to the axial translation in the cylinder barrel of cylinder.
In certain embodiments, piston can be a part of the piston component of axial translation in the cylinder barrel of cylinder.Gas Cylinder may include the burning zone that can include combustion product.Blow-by gas from burning zone can axially be flowed out from burning zone, By piston area, the gap between piston and cylinder is flowed through.It can use the flowing of blow-by gas on piston from feature placed in the middle It provides from active force placed in the middle.It can be step, one or more slot type recesses, tapered portion, other any conjunctions from feature placed in the middle Suitable feature or any combination thereof.
In certain embodiments, a kind of piston-mode motor may include the piston group with one or more heating tube Part.Piston component can be configured to the axial translation in the cylinder barrel of cylinder.Cylinder may include can include combustion product Burning zone, and correspondingly the piston area of piston component can be subjected to the raising of temperature.In certain embodiments, heating tube can be with With piston thermal contact, and can also from piston towards heat container transmit heat.The first part of heating tube can be from piston Face receives heat, and the second part of heating tube can transmit heat to heat container.Heating tube may include fluid such as water, Ethyl alcohol, ammonium hydroxide or the sodium that gas-liquid phase can be undergone to convert.
In certain embodiments, a kind of piston-mode motor may include being configured to be coaxially located at piston engine Cylinder jacket in the cylinder of machine.Cylinder jacket may include can with can in cylinder jacket axial translation piston component formed gap Inner surface.Cylinder jacket can also include the outer surface docked with the cylinder of piston-mode motor.Between outer surface and cylinder Docking may include the fluid channel that can be used as pipeline used in pressure controlled fluid.Cylinder jacket can be configured at least partly Ground it is possible thereby to adjusts gap based on pressure controlled fluid radial contraction or expansion.
In certain embodiments, a kind of piston-mode motor may include one or more fluid channel, be configured to Cylinder is provided part, selective, quick response or otherwise controlled is heated or cooled.It is logical to be supplied to fluid The flow velocity in road, temperature, pressure or combinations thereof can be adjusted by control system to control the temperature of piston-mode motor.In certain realities It applies in example, cylinder may include that one or more local heat sources can be for example controlled by control system to provide the one of local heating A or multiple electric heaters.
In some embodiments it is possible to control the gap between piston component and cylinder coaxial in piston-mode motor. It can use one or more sensors and detect at least one index such as temperature, pressure, function interaction (work ) and/or other suitable indexs in gap interaction.Control response can be based at least partially on institute by processing equipment Index is stated to determine.Control interface can be used to be based at least partially on control response to piston-mode motor in processing equipment At least one auxiliary system provides control signal.At least one auxiliary system can be based at least partially between control Signal Regulation Gap.
Detailed description of the invention
The above and other feature of the disclosure, its substantive and various advantage will be considered in conjunction with the accompanying detailed description below It becomes more fully apparent later, in the accompanying drawings:
Fig. 1 shows the sectional view of exemplary piston-mode motor, the piston according to some embodiments of the disclosure The integrated linear electromagnetic machine that there is formula engine piston component, gas spring and a part as cylinder to be included (LEM)；
Fig. 2 shows the sectional view of exemplary piston-mode motor, the piston according to some embodiments of the disclosure Formula engine has piston component, gas spring and integrated linear electromagnetic machine (LEM)；
Fig. 3 shows the sectional view of exemplary piston-mode motor, the piston according to some embodiments of the disclosure Formula engine has piston component, individual gas spring and integrated LEM including two pistons；
Fig. 4 shows the sectional view of exemplary piston-mode motor, the piston according to some embodiments of the disclosure There are two piston component, individual gas spring and two integrated LEM for formula engine tool；
Fig. 5 shows a part of exemplary piston component having from feature placed in the middle according to some embodiments of the disclosure Perspective view；
Fig. 6 shows the sectional view of exemplary piston component and cylinder according to some embodiments of the disclosure, wherein blowby Gas is from burning zone；
Fig. 7 shows the sectional view of the exemplary piston component and cylinder in Fig. 6 according to some embodiments of the disclosure, Middle piston component is eccentric；
Fig. 8 shows the sectional view of the exemplary piston component and cylinder in Fig. 6 according to some embodiments of the disclosure, Middle piston component is placed in the middle；
Fig. 9 shows the sectional view of a part of exemplary piston-mode motor according to some embodiments of the disclosure, The piston-mode motor has piston component, and the piston component has the feature that its can be helped placed in the middle；
Figure 10 has recessed according to its piston component that some embodiments of the disclosure show exemplary piston-mode motor The sectional view of mouthful formula from a part of feature placed in the middle；
Figure 11 has platform according to its piston component that some embodiments of the disclosure show exemplary piston-mode motor Sectional view of the stepwise from a part of feature placed in the middle；
Figure 12 has gradually according to its piston component that some embodiments of the disclosure show exemplary piston-mode motor Sectional view of the contracting formula from a part of feature placed in the middle；
Figure 13 shows its bearing element with hole one of exemplary piston component according to some embodiments of the disclosure Partial perspective view；
Figure 14 shows one with porous bearing element of exemplary piston component according to some embodiments of the disclosure Partial perspective view；
Figure 15 shows the sectional view of exemplary piston component according to some embodiments of the disclosure, and wherein fluid bearing is passed through Wear piston component；
Figure 16 shows the sectional view of exemplary piston component and cylinder according to some embodiments of the disclosure, wherein fluid Bearing runs through piston component；
Figure 17 shows the sectional view of exemplary piston component and cylinder according to some embodiments of the disclosure, wherein fluid Bearing runs through cylinder；
Figure 18 shows the sectional view of the exemplary device of piston component and cylinder according to some embodiments of the disclosure, In have fluid bearing and the translating element including fluid channel；
Figure 19 shows the sectional view of the exemplary device of piston component and cylinder according to some embodiments of the disclosure, In have fluid bearing and check-valves；
Figure 20 shows the sectional view of exemplary piston component and cylinder according to some embodiments of the disclosure, wherein heating Pipe is included as a part of piston component；
Figure 21 shows the sectional view of exemplary piston component according to some embodiments of the disclosure, and wherein heating tube is by interior The gap in portion is formed；
Figure 22 shows the sectional view of exemplary piston-mode motor, the piston according to some embodiments of the disclosure Formula engine includes piston component and the cylinder with coolant channel and heating tube；
Figure 23 shows the sectional view of exemplary piston component and cylinder according to some embodiments of the disclosure, wherein cylinder With deformable cylinder jacket；
Figure 24 shows the sectional view of the exemplary piston component and cylinder in Figure 23 according to some embodiments of the disclosure, Wherein deformable cylinder jacket experience deformation；
Figure 25 shows the sectional view of exemplary piston component and cylinder according to some embodiments of the disclosure, wherein cylinder Deformable cylinder jacket with segmentation；
Figure 26 shows the sectional view of exemplary piston-mode motor according to some embodiments of the disclosure, wherein piston type Engine has deformable cylinder jacket；
Figure 27 shows the logical with Local cooling agent of exemplary piston-mode motor according to some embodiments of the disclosure The sectional view of a part in road；
Figure 28 shows the logical with Local cooling agent of exemplary piston-mode motor according to some embodiments of the disclosure The sectional view of a part in road；
Figure 29 shows one with local heat source of exemplary piston-mode motor according to some embodiments of the disclosure Partial sectional view, the local heat source include electric heater；
Figure 30 shows the sectional view of a part of exemplary piston-mode motor according to some embodiments of the disclosure, In include can be used to heat, cooling or above two purposes fluid channel；
Figure 31 shows the with bearing element and certainly placed in the middle of exemplary piston component according to some embodiments of the disclosure The perspective view of a part of feature；
Figure 32 shows the sectional view of exemplary piston-mode motor, piston therein according to some embodiments of the disclosure Component has bearing element, heating tube and from feature placed in the middle, and cylinder therein has deformable cylinder jacket and coolant Channel；
Figure 33 is the block diagram according to some embodiments of the disclosure for the exemplary control device of piston-mode motor；
Figure 34 is the exemplary steps according to some embodiments of the disclosure for the gap of regulating piston formula engine Flow chart；And
Figure 35 is that one or more properties according to some embodiments of the disclosure for regulating piston formula engine are shown The flow chart of plasticity step.
Specific embodiment
This disclosure relates to manage gap and/or other properties of piston-mode motor.Although in free piston engine Background under discuss, but presently disclosed technology and device can be applied to non-free piston-mode motor or other conjunction Suitable mechanical system.Term " piston-mode motor " herein should indicate free-piston type and non-free in the form of piston start Machine.
It may include for realizing displacement acting using the piston-mode motor that any appropriate thermodynamic cycle works Piston and cylinder assembly.Piston and cylinder can be separated by relatively small gap, and piston is in the cylinder barrel inner shaft of cylinder To translation.In certain embodiments, piston can be included as a part of " piston component ", and piston component can also include One or more piston seals (such as piston ring), bearing element, frame, piston rod, translating element and/or other component, this A little components uniformly can be moved at least partly in cylinder barrel as the component of substantially rigid.Gap is along piston component or its portion The radial periphery of part can be that constant or variation (such as gap can be by thickness value, numerical curve or codomain, and/or right The measurement of title describes).Cylinder may include burning zone, can be by oxidant (such as air, foul atmosphere, oxygen) and fuel (such as HC fuel of gaseous state or liquid) respectively or as the mixture being pre-mixed is sent into burning zone.High-temp combustion produces The expansion of object promotes piston displacement.It is mutual to can use mechanical fastener (such as component using piston rod and crankshaft), electromagnetism Act on (such as utilizing the linear electromagnetic machine (LEM) with translating element and stator as described in this disclosure), air pressure connector (such as utilize two pistons) through intermediate gas volume interaction, other any suitable acting technologies or its Meaning combination does work by the movement of piston.Work also can use to the compression of air and/or fuel by piston-cylinder assemblies The movement of plug is realized.In certain embodiments, work done during compression can be provided by gas actuating device, LEM or both.
Fig. 1-4 shows the piston-mode motor that can benefit from the introduction of the disclosure.It should be understood that in addition to attached drawing In show and the piston-mode motor introduced herein other than, the introduction of the disclosure also can be applied to that any other are suitable living Plug engine.It should also be understood that although not showing that in figures 1-4, piston-mode motor may include it is a kind of or A variety of subsystems such as cooling subsystem, air conveying system, fuel delivery system, igniting subsystem, exhaust system, electronics control System processed and/or other suitable subsystems, and term " piston-mode motor " can indicate suitable component and subsystem Set.
Fig. 1 shows the sectional view of exemplary piston-mode motor 100, the work according to some embodiments of the disclosure Plug engine has piston component 110, gas spring 148 and integrated linear electromagnetic machine (LEM) 160.Piston engine Machine 100 includes the cylinder 140 and piston component 110 with cylinder barrel 134 and burning zone 130.In the illustrated embodiment, piston Component 110 includes two piston areas 112, piston seal 114 and 115 and translating element 116.Although being not shown in Figure 1, But piston component 110 may include bearing element, piston rod, other any suitable components or its arbitrary combination.Scheming In the embodiment shown, piston component 110 is fully located in the cylinder barrel 134 of cylinder 140, and is configured to substantially along axis 150 translations.As shown in Figure 1, cylinder 140 include exhaust/injection tip 170 (for be discharged exhaust gas and/or injection reactant), into Gas port 180 (for input air and/or air/fuel mixture) and driving gas ports 190 (for supplying and/or Discharge driving gas).Piston-mode motor 100 can use two-stroke circulation, four-stroke cycle, other any suitable circulations Or its arbitrary combination carrys out work.It in certain embodiments may include shock plate 108 to help for example to support during burning Shock resistance.Valve and/or other fluidic component can with but be not necessarily used for any or whole port 170,180 and 190 To control fluid to the inflow of piston-mode motor 100 and from the outflow of piston-mode motor 100.
Cylinder 140 may include can wherein burnt, the branch 132 of gas expansion and exhaust, can be wherein Carry out electromagnetic work interaction part 168 and can be in the part 178 for wherein playing the role of gas-powered and gas spring. Various pieces 132,168 and 178 can depend on cylinder 140 construction and piston component 110 cylinder 140 cylinder barrel 134 In position.As shown in Figure 1, the stator 162 for electromagnetic work to be done in the movement by translating element 116 can be included as cylinder 140 a part.
In piston component 110 during the expansion stroke in cylinder 140, since oxidant and fuel are in burning zone 130 Burning, translating element 116 can translate across stator 162.Translation device 116 can produce electric current relative to the movement of stator 162 And correspond to electric work.LEM 160 may include magneto, induction machine, switched reluctance machines, other any suitable electromagnetism Machine or any combination thereof.For example, translating element 116 may include permanent magnet, and stator 162 may include coil, and coil can be with It is conducted through the induced current that the movement of translating element 116 generates.
Fig. 2 shows the sectional view of exemplary piston-mode motor 200, the work according to some embodiments of the disclosure Plug engine has piston component 210, gas spring 248 and LEM260.Piston-mode motor 200 includes having cylinder barrel 234 Cylinder 240, piston component 210 and burning zone 230.In the illustrated embodiment, piston component 210 includes piston area 212, lives Plug seal 214 (such as piston ring, sealing surface), translating element 216 and piston rod 218.Although being not shown in Figure 2, Piston component 210 may include bearing element, other any suitable components or its arbitrary combination.In the embodiment of diagram In, piston component 210 is positioned partially in the cylinder barrel 234 of cylinder 240, and is configured to substantially translate along axis 250.Such as Shown in Fig. 2, cylinder 240 includes seals 242 (for gas leakage to be reduced or avoided while opposite piston being allowed to transport It is dynamic), exhaust/injection tip 270 (for exhaust gas and/or injection reactant to be discharged), air inlet port 280 (for input air and/ Or air/fuel mixture) and driving gas ports 290 (for supplying and/or being discharged driving gas).Piston-mode motor 200, which can use two-stroke circulation, four-stroke cycle, other any suitable circulations or its arbitrary combination, carrys out work.At certain It may include shock plate 208 in a little embodiments.
Cylinder 240 may include can wherein burnt, the part 232 of gas expansion and exhaust and can be at it In play the role of the part 278 of gas-powered and gas spring.Part 268 can be included independently of cylinder 240, and It and may include the LEM 260 that can be used in carrying out electromagnetic work interaction.Various pieces 232,268 and 278 can depend on Position of the construction and piston component 210 of cylinder 240 in the cylinder barrel 234 of cylinder 240.As shown in Fig. 2, for passing through translation The movement of part 216 do electromagnetic work stator 262 can with but not necessarily independently of cylinder 240.
Fig. 3 shows the sectional view of exemplary piston-mode motor 300, the work according to some embodiments of the disclosure Plug engine has piston component 310, individual gas spring 340 and LEM 360 including two pistons 311 and 313.It is living Plug engine 300 includes the cylinder 340 and 341, piston component 310 and burning zone 330 for being respectively provided with cylinder barrel 334 and 335.? In the embodiment of diagram, piston component 310 includes piston area 312, translating element 316, piston seal 314 and 315 and piston Bar 318.Although being not shown in Figure 3, piston component 310 may include bearing element, other any suitable components Or its arbitrary combination.In the illustrated embodiment, piston component 310 is positioned partially in the cylinder barrel 334 of cylinder 340, and It is positioned partially in the cylinder barrel 335 of cylinder 341, and is configured to substantially translate along axis 350.As shown in figure 3, cylinder 340 include seals 342 (for gas leakage to be reduced or avoided while allowing opposite piston motion), exhaust/injection Port 370 (for exhaust gas and/or injection reactant to be discharged), air inlet port 380 are (mixed for input air and/or air/fuel Close object) and gas ports 395 (for blow-by gas or supply air to be discharged).As shown in figure 3, cylinder 341 includes gas Sealing element 343 (for gas leakage to be reduced or avoided while allowing opposite piston motion), driving gas ports 390 (are used for Supply and/or discharge driving gas).Piston-mode motor 300 can use two-stroke circulation, four-stroke cycle, it is any other Suitable circulation or its arbitrary combination carry out work.It in certain embodiments may include shock plate 308.
Cylinder 340 may include can wherein burnt, the part 332 of gas expansion and exhaust.Cylinder 341 can be with Including can be in the part 378 for wherein playing the role of gas-powered and gas spring.Part 368 can be included in cylinder 340 It and between 341, and may include the LEM that can be used in carrying out electromagnetic work interaction.Various pieces 332,368 and 378 can With depend on cylinder 340 and 341 construction and piston component 310 in the cylinder barrel 334 and 335 of corresponding cylinder 340 and 341 Position.As shown in figure 3, stator 362 for doing electromagnetic work by the movement of translating element 316 can with but not necessarily independence In cylinder 340 and 341.
Fig. 4 shows the sectional view of exemplary piston-mode motor 400, the work according to some embodiments of the disclosure There are two piston component 410 and 411, individual gas spring 448 and 449 and two 460 and of LEM for plug engine tool 461.As shown, piston-mode motor 400 be substantially equivalent to have single combustion chamber, about exhaust/injection tip 370 Symmetrical two piston-mode motors 300.It should be understood that also may be implemented according to the disclosure it is other, can with but be not necessarily Symmetrical dual Piston device, and piston-mode motor 400 is an exemplary example.
Simpson et al. application No. is 12/953,270 U.S. Patent application, Simpson et al. application No. is 12/953,277 U.S. Patent application, Simpson et al. application No. is 13/102,916 U.S. Patent application and It include about piston-mode motor such as piston type in the U.S. Patent application application No. is 13/028,053 of Roelle et al. Engine 100,200,300 and 400 and its more details of operation and feature, thus by be cited in full text by it is all it is above-mentioned specially Benefit application is incorporated herein.
[from centering piston]
In certain embodiments, piston may include relative to piston-mode motor cylinder offer one of pose as or Various features.
Fig. 5 shows the having from feature 506 placed in the middle of exemplary piston component 500 according to some embodiments of the disclosure The perspective view of a part.Piston component 500 may include piston area 502, element 504, from feature 506 placed in the middle, other any conjunctions Suitable component (not shown) or any combination thereof.In certain embodiments, it can be one of element 504 from feature 506 placed in the middle Point.For example, element 504 can be bearing element (such as aerostatic bearing), and it can be machining from feature 506 placed in the middle Step or bearing element in other suitable features.In certain embodiments, it can be piston area from feature 506 placed in the middle 502 a part.For example, can be step, one or more slot type recesses, tapered portion or piston component from feature 506 placed in the middle Other included features in 500.In certain embodiments, piston component may include one for facilitating piston component between two parties Or multiple features, component or both.For example, piston component may include that from feature placed in the middle and can aid in dummy piston Pressure on one or more sides of component is so as to facilitating piston feature placed in the middle.Although being not shown in Figure 5, But piston component 500 can optionally include piston rod, translating element, piston ring, fluid bearing, other any suitable components Or its arbitrary combination.
Fig. 6 shows the exemplary device 600 of piston component 610 and cylinder 620 according to some embodiments of the disclosure Sectional view, wherein blow-by gas (being shown with arrow 640) is from burning zone 630.In certain embodiments, piston area 602 can With catalytic combustion section 630 (exemplarily being shown in Fig. 6), gas-powered section (being not shown in Fig. 6), piston-mode motor cylinder In other any suitable section (not shown) or any combination thereof.Blow-by gas can be flowed out from burning zone 630, surround piston It is simultaneously axially flowed along piston component 610 in face 602.In certain embodiments, blow-by gas and the interaction from feature 616 placed in the middle It is placed in the middle to may be used to piston component 610.It is used for for example, can generate in the gap between piston component 610 and cylinder 620 Make the pressure distribution that piston component 610 is placed in the middle.Blow-by gas can be from burning zone, gas-powered section or in any suitable pressure Work under power (such as working under the pressure of 20-800bar or other suitable pressure) other suitable sections be supplied between Gap.
Fig. 7 shows the sectional view of exemplary piston component 610 and cylinder 620 according to some embodiments of the disclosure, Middle piston component 610 is eccentric.The central axis 750 of cylinder 620 indicates the geometric centre axes of the cylinder barrel of cylinder 620.When When piston component 610 is eccentric in cylinder 620, as shown in fig. 7, in the cylindrical coordinate system relative to piston component, along piston The pressure field P of the transverse side (namely at the radius R that can change with θ and z) of component 6101(R, θ, z) is specified Axial position Z at can be it is circumferential non-uniform (namely along the direction of θ).
Fig. 8 shows the sectional view of exemplary piston component 610 and cylinder 620 according to some embodiments of the disclosure, Middle piston component 610 is placed in the middle relative to central axis 750.When piston component 610 is placed in the middle in cylinder 620, such as Fig. 8 institute Show, the P of piston component 6102(R, θ, z) can be circumferential substantially homogeneous at specified axial position Z.In some embodiments In, the pressure field of piston placed in the middle can be non-uniform, but when on the side for being integrated in piston, provide substantially zeroed conjunction Power.For example, the piston component with slot type recess there can be non-uniform circumferential pressure field due to recess, but can mention For zero resultant force.
Fig. 9 shows the sectional view of a part of exemplary piston-mode motor 900 according to some embodiments of the disclosure, The piston-mode motor has piston component 910, and the piston component 910 has the feature 912 that its can be helped placed in the middle.? In some embodiments, for example, feature as feature 912 can with it is (such as arbitrary from placed in the middle in Figure 10-12 from feature placed in the middle Feature) it is included together in piston component.As shown in figure 9, feature 912 may include the entire week around piston component 910 One or more grooves that side extends, can contribute to the pressure field in the gap 950 of balance chart 9.Feature 912 can also be used Make straight-through labyrinth to reduce the axial flow velocity in gap 950.Although being exemplarily illustrated as groove in Fig. 9, But any appropriate feature or combinations thereof can be used to aid in realization between two parties according to the disclosure.
Figure 10 shows the section of a part of exemplary piston-mode motor 1000 according to some embodiments of the disclosure Figure, piston-mode motor 1000 include the piston component for having notch type from feature 1012 placed in the middle and one or more slits 1014 1010.It may include one or more recesses from feature 1012 placed in the middle, surround to each notch part the week of piston component 1010 Side extends.Slit 1014 may include one or more slits (such as corresponding to one or more recesses), may be used as supplying Blow-by gas flows into the guiding piece in recess.Although being illustrated as on the side of piston component 1010, in certain implementations In example, slit also can be contained in the inside of piston component and can feed from any appropriate source.For example, from placed in the middle Feature 1012 may include three slot type recesses, and the center of each is spaced 120 degree and each prolonging peripherally on periphery Stretch less than 120 degree, further include three corresponding slits 1014, can permit fluid flowed into from the region of relatively high pressure 1060 it is recessed Mouthful.The recess including any suitable number, segmented recess any appropriate setting can be used according to the disclosure.
Figure 11 shows its piston component of exemplary piston-mode motor 1100 according to some embodiments of the disclosure 1110 have the sectional view of a part of step from feature 1112 placed in the middle.It may include around piston group from feature 1112 placed in the middle The step that the entire periphery of part 1110 extends.Step may include any appropriate absolute and/or relative size.In showing for diagram In example, (namely relatively more close to piston area 1102) gap in step be can be in the larger diameter area of piston component Twice of the order of magnitude in the gap at domain.In certain embodiments, piston component may include segmented step, set-up mode Similar to the slot type recess in Figure 10, but wherein recess extends through piston area 1102, and does not therefore need to include slit.
Figure 12 shows its piston component of exemplary piston-mode motor 1200 according to some embodiments of the disclosure 1210 sectional views with tapering type a part from feature 1212 placed in the middle.It may include around piston group from feature 1212 placed in the middle The tapered portion that the entire periphery of part 1210 extends, wherein the diameter relative constriction at piston area 1202.Tapered portion may include Any appropriate absolute and/or relative size.In the example shown in the series of figures, at the minor diameter of tapered portion (namely relatively more Adding close to piston area 1202) gap can be twice of the order of magnitude in the gap at the larger diameter region of piston component. In certain embodiments, piston component can include more than one converging transition around periphery, and set-up mode is similar in Figure 10 Slot type recess, wherein tapered portion extends through piston area 1102.
In certain embodiments, it is any or it is whole from feature 1012,1112 and 1212 placed in the middle, feature 912 and other It can be suitably combined from feature placed in the middle or other features.For example, piston component may include tapered portion, step and one Series of recesses (such as labyrinth) is placed in the middle to provide.From feature placed in the middle can with burning zone, gas-powered section, gas spring section phase The piston area of contact allows blow-by gas to flow through to make near other any suitable piston areas of piston area or any combination thereof With.For example, can be contained in arbitrary piston area 312 from feature placed in the middle for the piston-mode motor 300 marked in Fig. 3 Near.
[non-contact type bearing]
In some embodiments it is possible to use non-contact type bearing between piston and corresponding cylinder.Contactless axis Hold may include such as aerostatic bearing, hydrodynamic journal liquid polymers or other suitably can for movement or static contactless axis It holds.Non-contact type bearing may include the fluid film that isolation piston reduces friction and the loss of related function to cylinder wall.At certain In a little embodiments, the use of aerostatic bearing can permit the oil-free behaviour of piston and cylinder assembly in piston-mode motor Make, and correspondingly piston-mode motor does not need auxiliary lubricating oil system, can simplify some aspects of engine framework in this way. In certain embodiments, non-contact type bearing may include machine oil as bearing fluid.Bearing fluid may include such as air, Nitrogen, exhaust gas, machine oil, liquid water, vapor, liquid carbon dioxide, gaseous carbon dioxide, hydraulic fluid, any other are suitable Fluid or any combination thereof.The fluid used in fluid bearing can be mentioned by piston component, cylinder or both For.
Figure 13 has according to its bearing element 1310 that some embodiments of the disclosure show exemplary piston component 1300 There is the perspective view of a part in hole 1312.Hole 1312 can be set to certain mode, randomly setting either above-mentioned setting Any combination of mode.Hole 1312 can have any appropriate size.For example, in certain embodiments, the size in hole 1312 Range with several mils or can be smaller to 1/8th inches or bigger.In certain embodiments, the size in hole 1312 The relative discharge limitation of other one or more flow restrictions or effective area or effective area can be carried out according to hole Selection.For example, hole can be shaped as providing quantity identical as the flow restriction of discharge path of bearing fluid in 1310 downstream of hole The flow restriction of grade.As piston component 1300 is due to the suitable piston area of other of piston area 1302 or piston component 1300 Active force on (not shown) and translated in the cylinder barrel of suitable cylinder, bearing element can assist in keeping between two parties.Fluid can To be provided as shown in arrow 1322 from any appropriate fluid source, and can be in piston component 1300 through internal fluid channels (not shown) is assigned to hole 1312.After leaving hole 1312, fluid can flow through gap, and along at least part of piston Component 1300 flows.The fluid as shown in arrow 1320 can help to avoid and/or subtract from the outside flowing of bearing element 1310 Contact between few piston component-cylinder.
Although being shown as hole in Figure 13, any appropriate port is used equally for providing fluid to gap for use as fluid Bearing.For example, the gap between component can be used to provide fluid to gap.In further example, partly Or it can be used to provide fluid to gap completely about the annular orifice of the periphery extension of piston component.In some embodiments In, bearing element 1310 may include sufficiently small port (such as smaller than the mean free path of bearing fluid) to allow to let out Stream.
Figure 14 according to some embodiments of the disclosure show exemplary piston component 1400 have porous bearing element The perspective view of 1410 a part.With piston component 1400 since other of piston area 1402 or piston component 1400 are suitable Piston area (not shown) on active force and translated in the cylinder barrel of suitable cylinder, bearing element can assist in keeping residence In.Fluid can be provided from any appropriate fluid source as indicated by arrow 1422, and can be in piston component 1400 through interior The distribution of portion's fluid channel (not shown), and it is empty then to flow through the gap in any appropriate part of bearing element 1410 Between.Bearing element 1410 can have any appropriate porosity and pore-size.The side for leaving bearing element 1410 it Afterwards, gas can flow through gap, and flow along at least part of piston component 1400.The fluid as shown in arrow 1420 from The outside flowing of bearing element 1410 can help to avoid and/or reduce the contact between piston component-cylinder.Bearing element 1410 The material that fluid can be can allow for flow by its any appropriate porosity is constituted.For example, porous bearing element can be by stone Ink, sintering metal (such as iron, steel, bronze), sintering or otherwise handle porous ceramics (such as silicon carbide, aluminium oxide, Magnesia), other any suitable materials for being sintered or otherwise handling or any combination thereof constitute.In some embodiments In, bearing element 1410 can have the sufficiently small hole of size (such as smaller than the mean free path of bearing fluid) to permit Perhaps aerial drainage.
Figure 15 shows the sectional view of exemplary piston component 1500 according to some embodiments of the disclosure, wherein flow axis 1510 are held through piston component 1500.Piston component 1500 may include piston area 1502, bearing element 1510, frame 1550, Other unshowned any suitable components or any combination thereof in fastener 1590, Figure 15.Piston component 1500 can construct In cylinder barrel at the cylinder for being assemblied in piston-mode motor, and can be configured to substantially along on cylinder barrel center line or It is translated in the axis of cylinder barrel approximate centerline.Bearing element 1510 includes fluid channel 1560, and fluid channel 1560 can be such as arrow Bearing fluid is distributed to one or more ports or surface from one or more input ports 1512 to diameter shown in first 1522 To outside flowing.In certain embodiments, bearing element 1510 may include the component of multiple components.In certain embodiments, Piston 1502 can be optionally included from feature placed in the middle or other suitable feature (not shown).
Figure 16 shows the sectional view of exemplary piston component 1610 and cylinder 1620 according to some embodiments of the disclosure, Wherein fluid bearing 1612 (such as fluid layer in the gap for being at least partly originated from bearing element 1618) runs through piston Component 1610.Piston component 1610 includes the inner passage 1614 that can receive bearing fluid 1616.Bearing element 1618 is living Plug assembly 1610 include hole or porous portion part, bearing fluid can incoming fluid bearing 1612 from here.Bearing element 1618 can be the integrated component (as shown in figure 16) of piston, piston component 1610 another part, (such as by press fitting or With fastener installation) be assembled to the individual components of piston component 1610, have other any suitable set-up modes or its Meaning combination.Fluid bearing 1612 can help piston component 1610 placed in the middle around axis 1650, and axis 1650 indicates cylinder 1620 Cylinder barrel center.
Figure 17 shows the sectional view of exemplary piston component 1710 and cylinder 1720 according to some embodiments of the disclosure, Wherein fluid bearing 1712 runs through cylinder 1720.Cylinder 1720 includes the inner passage 1714 that can receive bearing fluid 1716. Bearing element 1718 is the part in cylinder 1720 including hole or aerial drainage face, and fluid can flow into from here positioned at piston component The fluid bearing 1712 in suitable gap between 1710 and cylinder 1720.Bearing element 1718 can be the collection of cylinder 1720 At component (as shown in figure 17), the individual components (e.g. plug-in unit or cylinder jacket) that are assembled to cylinder 1720, have it is any other Suitable set-up mode or any combination thereof.Fluid bearing 1712 can help piston component 1710 placed in the middle around axis 1750, Axis 1750 indicates the center of the cylinder barrel of cylinder 1720.In certain embodiments, cylinder may include can be to one or more Corresponding fluid bearing provides one or more bearing elements of bearing fluid.For example, in certain embodiments, the cylinder barrel of cylinder It may include multiple bearing elements, each have individually and controllable fluid source is so as to more in the cylinder barrel to cylinder A position fed bearings fluid.
In certain embodiments, blow-by gas can be guided to reduce or prevent blow-by gas near bearing element It is flowed in gap portion.For example, blow-by gas can be directed to flow through cylinder, piston component or both, so that blowby gas The flowing of body will not substantially change flowing of the bearing fluid in gap.Bearing gas flow through it is for example other for example The flowing of blow-by gas and caused by certain changes can negatively affect bearing fluid prevent piston-cylinder contact ability. The discharge pressure that the guidance of blow-by gas for example can permit bearing fluid, which is relatively far below fluid feed pressure, (such as to be allowed Bearing fluid has bigger pressure drop), required flow behavior and bearing characteristics can be provided in this way.
Figure 18 shows the exemplary device of piston component 1810 and cylinder 1820 according to some embodiments of the disclosure 1800 sectional view, wherein having bearing element 1812 and 1813 and the translating element 1814 including fluid channel 1875.Piston Face 1802 can contact the gas spring (such as gas-powered section) of device 1800, and piston area 1804 can contact device 1800 Burning zone.Device 1800 may include stator 1815, can be interacted with translating element 1814 with electromagnetic mode.
In the illustrated embodiment, bearing fluid 1874 is provided to pipeline 1870, and pipeline 1872 is via sealing element 1871 It is connected to pipeline 1870.As shown in figure 18, sealing element 1871 can permit the piston component 1810 including pipeline 1872 around axis The pressurization that line 1850 is translated while being maintained between pipeline 1870 and 1872.The inside of pipeline 1872 is coupled to be located at and put down The fluid channel 1875 in part 1814 is moved, bearing fluid 1874 can flow channel 1816 from here.Channel 1816 is first to bearing The fed bearings of part 1812 and 1813 fluid 1874, bearing fluid 1874 flows into from here is located at piston component 1810 and cylinder 1820 Between gap in fluid bearing.(not shown) in certain embodiments, pipeline 1870, pipeline 1872 or both can be with It is flexible to allow relative motion.For example, (not shown), pipeline 1870 can be via suitable soft in certain embodiments Pipe fitting (such as and correspondingly need not include pipeline 1872) is connected directly to the flexible hose of translating element 1814.
Figure 19 shows the exemplary device of piston component 1910 and cylinder 1920 according to some embodiments of the disclosure 1900 sectional view, wherein having bearing element 1912 and 1913 and valve 1970.Piston area 1902 can contact device 1900 Gas spring (such as gas-powered section), and piston area 1904 can contact the burning zone of device 1900.Device 1900 can be with Including stator 1915, can be interacted with translating element 1914 with electromagnetic mode.
In the illustrated embodiment, at least part fluid in gas spring 1976 is via in piston area 1902 Valve 1970 (such as shown in arrow 1974) and supplied to channel 1916 using as bearing fluid.Valve 1970 may include aggressive valve Or passive valve or other suitably in one or more directions provide fluid flow control multi-way reversing devices.For example, Valve 1970 may include leaf valve, ball valve, needle-valve, ball check valve, non-return diaphragm valve, mention in the duct to different flow directions For the quiescent flow limits device of different resistances, other any suitable valves, electronic controller or other active location systems, Other any suitable devices or any combination thereof.Channel 1916 to the fed bearings of bearing element 1912 and 1913 fluid 1974, Bearing fluid 1974 flows into the fluid bearing in the gap between piston component 1910 and cylinder 1920 from here.Certain In embodiment, valve 1970 can be check-valves.Therefore, it is translated with piston component 1910 along axis 1950, and with fluid Via port 1990 (such as wherein may include one or more valves) supplied to gas spring 1976 and/or from gas spring 1976 are discharged, and the pressure in gas spring 1976 can achieve cracking pressure, and then fluid can be flowed by valve 1970 Channel 1916.The cracking pressure of valve 1970 can be any appropriate value, and can be in certain embodiments actively adjustable 's.In certain embodiments, valve 1970 can be actively controllable, and flow in either direction can be by controlling orifice plate Or other flow restrictions in valve 1970 are controlled.
In certain embodiments, bearing element can be the integrated component of piston.It is mentioned for example, piston can have to gap The set in channel and hole for the machining of bearing fluid.In some such embodiments, piston can with but not necessarily Ground is a part of piston component.Bearing element may include graphite component, the hardware with machined features, sintering Element that hardware, porous ceramic element, non-porous ceramic element, other any suitable suitable materials are constituted or it is any Combination.
[temperature management of cylinder and/or piston]
In some embodiments it is possible to control or otherwise manage piston (or its component), cylinder or both Temperature.The temperature management of piston (or its component) and/or cylinder can contribute to one by management piston-mode motor Or the thermal deformation of multiple components keeps or otherwise manages gap.
In certain embodiments, one or more heating tube can be used to influence the heat transfer of piston component.Heating tube can To include being configured to aid in the fluid for for example conducting heat to the component of piston-mode motor and conducting heat from the component of piston-mode motor Pipeline.The piston area of piston component can undergo the temperature as caused by burning to increase.The use of heating tube can contribute to from Piston area, other any suitable parts of piston component or other any suitable components are conducted heat outward to reduce the work of component Make temperature.For example, heating tube can from piston towards heat container for example bearing element, gap, the cylinder barrel surface of cylinder, by cold But the cooling piston rod of agent, other any suitable heat containers or any combination thereof heat transfer.
Heating tube may include fluid line, wherein can fill suitable fluid such as water, ethyl alcohol, ammonium hydroxide, sodium or appoint It anticipates other suitable fluids or mixture.Latent heat associated with the phase transformation of fluid is measurable caused by being typically much deeper than because of the temperature difference Energy transmission.(temperature can depend at a temperature of in addition, the phase transformation of fluid can be in substantially constant or otherwise limited In pressure and existing any impurity) it carries out, it can contribute to reduce relatively large temperature ladder in piston-mode motor in this way Degree.Heating tube can be set to the component in piston component with the piston thermal contact of piston component.In certain embodiments, have There is the linear movement of the piston component of heating tube to can contribute to transmit fluid in heating tube, thereby assist in from piston area to The heat transfer of the relatively low part of the temperature of piston-mode motor.
It should be understood that the term " thermo-contact " used between the parts refers to the ability effectively conducted heat between the parts. For example, heating tube can be set to that and the heat from piston area can be transmitted, and therefore can be with piston face contact Piston area " directly " thermo-contact.In another example, heating tube can be contacted with piston framework, and piston framework can be with work Face contact is filled in, and heating tube can transmit the heat from piston framework, piston framework can transmit the heat from piston area Amount, and therefore heating tube can be thermally contacted with piston area " indirectly ".
Figure 20 shows the exemplary piston component 2010 of piston-mode motor 2000 according to some embodiments of the disclosure With the sectional view of cylinder 2020, wherein heating tube 2080 is included as a part of piston component.Heating tube 2080 can To be pipeline or other fluid lines, wherein may include that can undergo gas phase-during piston-mode motor 2000 is run The fluid 2082 of liquid phase conversion.It can carry out from burning zone 2030 to piston area 2002 during engine is run (by arrow Shown in 2024) heat transfer.Can a part 2084 with further progress from piston area 2020 to heating tube 2080 (by arrow Shown in 2024) heat transfer, it can contribute to reduction, the temperature for keeping or reduce and keep piston area 2020 in this way.It can be into Heat transfer in the heating tube 2080 of the another part 2086 of row from a part 2084 of heating tube 2080 to heating tube 2080.It is described It part 2086 can be to the separate burning zone 2030 of the part of the separate piston area 2002 of piston component 2010 such as cylinder 2020 And the end of the relatively close part 2086 spreads out of heat.For example, heating tube 2080 can contribute to from 2030 diameter of burning zone To outwards to bearing surface, gap and then to cylinder transmit heat 2024, heat can be for example via coolant at cylinder Coolant in channel and further transmit.In another example, heating tube 2080 can contribute to from burning zone 2024 to The gas-powered section 2040 of cylinder 2020 is conducted heat.
Figure 21 shows the sectional view of exemplary piston component 2100 according to some embodiments of the disclosure, wherein heating tube 2180 are formed by internal gap.Piston component 2100 may include piston 2102, element 2110, frame 2150, fastener 2190, other unshowned any suitable components or any combination thereof in Figure 21.Piston component 2100 can be configured to assemble In the cylinder barrel of the cylinder of piston-mode motor, and it can be configured to substantially along on cylinder barrel center line or in cylinder barrel The axis of approximate centerline translates.Element 2110 may include that (although not showing that) bearing element is (such as logical with bearing Road), piston ring, frame, other any suitable components, other any suitable features or any combination thereof.Heating tube 2180 Interior fluid can use the filling of port 2182, discharge or otherwise adjust, and port 2182 may include valve (such as non-return Valve or shut-off valve), plug or other component.In certain embodiments, the heating tube 2180 with port 2182 can be in piston Formula engine is filled, discharged or is otherwise adjusted during running.In certain embodiments, adding with port 2182 Heat pipe 2180 is not necessarily to be filled, discharged or otherwise adjusted during piston-mode motor operation, and can be corresponding Ground is adjusted in piston-mode motor and not running.
It in certain embodiments, in piston component periphery diametrically may include more heating tubes to help from work Plug conducts heat towards gap and cylinder inner wall.In the example shown in the series of figures, the six roots of sensation to 12 heating tubes can be arranged with axial orientation Piston component periphery diametrically, but can also use the heating of any suitable number with such annular set-up mode Pipe.It in certain embodiments, may include circular heating tube in piston component to facilitate to gap heat transfer.For example, piston group Annular space in part can be marked with fluid appropriate and be sealed during operation.
Figure 22 shows the sectional view of exemplary piston-mode motor 2200 according to some embodiments of the disclosure, described Piston-mode motor includes piston component 2210 and the cylinder with coolant channel 2222 and 2238 Yu heating tube 2224 2220.In certain embodiments, piston-mode motor 2200 may include coolant channel 2222 to facilitate control or with it His mode limits the temperature of one or more components of piston-mode motor 2200.Temperature control can also be used for (such as logical Cross control thermal deformation come) control cylinder barrel size and/or shape, can improve or otherwise adjust blowby gas in this way The characteristic and/or bearing performance of body.As illustrated by Figure 22 demonstration, cylinder 2220 may include passing through one or more The inner passage of port feeding can supply and return as shown in arrow 2230 and 2234 and arrow 2232 and 2236 respectively in this way Return cooling fluid.As shown, coolant channel 2222 and coolant channel 2238 include annular space, but according to the disclosure Any appropriate set-up mode can be used.In certain embodiments, coolant such as ethylene glycol, propylene glycol, water, alcohol, sky Gas, other any suitable fluids or any combination thereof (such as the ethylene glycol being diluted with water) can be supplied to coolant channel 2222 and 2238.(not shown) in certain embodiments, piston-mode motor 2200 may include coolant subsystem, wherein can To include pump, radiator, thermoregulator, pressure regulator, fluid regulation pipeline, other any suitable components or it is any Combination.In certain embodiments, coolant channel 2222 and coolant channel 2238 can interconnect in cylinder 2220 and phase It can be used as single pipeline set with answering controlled.In certain embodiments, coolant channel 2222 and coolant channel 2238 need not interconnect and can individually control in cylinder 2220.For example, in certain embodiments, 2222 He of coolant channel Coolant channel 2238 can contribute to the different zones of the cooling cylinder 2220 of selectivity, and therefore each region can be independent It is cooling.In exemplary example, control system can determine 2210 He of piston component when piston is located in burning zone 2270 Whether the gap between cylinder 2220 is excessive.Therefore it provides giving coolant channel 2238 compared to the coolant closer to TDC The flow velocity of the coolant in channel 2222 can increase to cool down cylinder and simultaneously (passing through thermal contraction) reduce cylinder barrel, thus between therefore reducing Gap.According to the disclosure, the individual coolant channel of any suitable number can be used to provide selective cooling, be set as appointing It anticipates suitable structure.In certain embodiments, cylinder 2220 may include one or more heating tube 2224 to help to control or Otherwise limit the temperature of one or more components of piston-mode motor 2200.It may include with any in cylinder 2220 One or more heating tube 2224 of suitable set-up mode setting, and may include any appropriate heating tube in heating tube Fluid.For example, one or more heating tube 2224 may include being axially disposed within using the center of the cylinder barrel of cylinder 2220 as the center of circle More heating tubes diametrically.In another example, one or more heating tube 2224 may include in cylinder 2220 Annular space.Heating tube 2226 can be used for supply, discharge or otherwise control one or more in certain embodiments Fluid in root heating tube 2224.For example, heating tube 2226 may include valve, adjuster, orifice plate, other any suitable features Or device or any combination thereof is to control the property of one or more heating tube 2224 or fluid wherein included.In certain realities It applies in example, coolant channel 2222 and/or coolant channel 2238 can directly contact one or more heating tube of (not shown) 2224, and the heat transmission from one or more heating tube 2224 of opposite enhancing can be provided.Although making in Figure 22 Coolant channel 2222 and 2238 and one or more heating tube 2224, still (Figure 22 is not showed that) certain implementations are gone out Example may include one of coolant channel and one or more heating tube and correspondingly without both including.By coolant channel 2222 are used together in certain devices with 2238 and one or more heating tube 2224 and can provide and be used alone one Compared to the heat transfer of opposite enhancing.For example, heat can be from the cylinder barrel of cylinder 2220 via gap transmission to one or more heating Pipe 2224, and at least part in these heats can be transmitted to coolant channel by one or more heating tube 2224 2222 and/or coolant channel 2238 in coolant (such as heat transfer may include conduction by a part of cylinder 2220).
In certain embodiments, be supplied to any port 2250 fluid can be used to cooling piston component 2210 or its In various pieces.For example, the heat of the piston area from piston component 2210 can be transported to the work of piston component 2210 Stopper rod, and the fluid for being sent to any port 2250 can convectively cool down the piston rod of piston component 2210.
In certain embodiments, fluid bearing can help cooling piston component, cylinder, component therein, piston type hair Other any suitable components or any combination thereof in motivation.Bearing fluid can be provided to bearing element, and bearing element can Bearing fluid is directed directly to suitable gap in piston-cylinder assemblies.Bearing fluid can contribute between it is flowed through Cooling at least part of piston-cylinder assemblies when gap.In certain embodiments, bearing fluid can be passed through substantially from burning zone Gap outflow is crossed, and can correspondingly take away heat from burning zone, thus reduces one or more portions of piston-mode motor The temperature of part.In certain embodiments, bearing fluid by piston-mode motor gap convection current can be improved piston area and Effective rate of heat transfer between piston component and/or another part of cylinder.In certain embodiments, with the work of bearing element It may include one or more heating tube in plug assembly.One or more heating tube can contribute to keep bearing element or bearing Element a part of almost constant temperature therein, can contribute to the thermal expansion and associated change in control gap in this way.In certain realities It applies in example, one or more heating tube, coolant channel, bearing element, other any suitable components or any combination thereof Using can contribute to keep or otherwise by the thermal deformation for the one or more components for managing piston-mode motor Manage gap.
[cylinder jacket]
In some embodiments it is possible to control or otherwise manage the gap between free-piston and cylinder.At certain In a little embodiments, deformable cylinder jacket can be used by regulating piston component in the cylinder barrel wherein moved come between adjusting Gap.In certain embodiments, cylinder jacket fluid can be used to apply pressure to deformable cylinder jacket, and cylinder jacket can be based on Pressure difference between each face of cylinder jacket and deform.Cylinder jacket fluid may include such as water, ethylene glycol, propylene glycol, machine oil, liquid Press fluid, fuel (such as diesel fuel), other any suitable fluids or its any appropriate combination.
Figure 23 shows the sectional view of exemplary piston component 2310 and cylinder 2320 according to some embodiments of the disclosure, Wherein cylinder has deformable cylinder jacket 2330.The inner surface of deformable cylinder jacket 2330 can limit cylinder barrel, piston group Part 2310 or in which it is a part of can in cylinder barrel along be located at cylinder barrel center axis 2350 translate.Channel 2322 can be It is formed between cylinder 2320 and deformable cylinder jacket 2330, cylinder jacket fluid can be sent into channel 2322 via port 2324 And/or it is returned from channel 2322.Control is that the cylinder jacket fluid of appropriate pressure applies deformation work to deformable cylinder jacket 2330 Firmly to allow to adjust accordingly cylinder barrel.Gap 2360 between cylinder barrel and piston component 2310 can be accordingly by with suitable Pressure apply cylinder jacket fluid and be adjusted.(such as by being supplied via one or more ports 2324 to channel 2322 Cylinder jacket fluid comes) pressure that increases cylinder jacket fluid can reduce cylinder barrel and gap 2360, and (such as by via one or Multiple ports 2324 from channel 2322 be discharged cylinder jacket fluid come) reduce cylinder jacket fluid pressure can increase cylinder barrel and gap 2360。
Figure 24 shows exemplary piston component 2310 and cylinder 2320 in Figure 23 according to some embodiments of the disclosure Sectional view, wherein deformable cylinder jacket 2330 experience deformation.The pressure of cylinder jacket fluid is in channel as of fig. 24 It is bigger compared in the channel 2322 shown in Figure 23 in 2322, and because this gap 2460 is relatively shorter than gap 2360.
Figure 25 shows the sectional view of exemplary piston component 2510 and cylinder 2520 according to some embodiments of the disclosure, Wherein cylinder has the deformable cylinder jacket 2530 of segmentation.The inner surface of deformable cylinder jacket 2530 can limit cylinder barrel, living Plug assembly 2510 or in which it is a part of can in cylinder barrel along be located at cylinder barrel center axis 2550 translate.2522 He of channel 2523 can form between cylinder 2520 and deformable cylinder jacket 2530, and can be separated by sealing element 2532.Gas Cylinder sleeve fluid can be respectively via port 2524 and port 2525 supplied to channel 2522 and 2523 and/or from 2522 He of channel 2523 return, port 2524 and port 2525 can with but be not necessarily isolated from each other.Control is the cylinder jacket stream of convenient pressure Body can apply deforming force to deformable cylinder jacket 2530 to allow to adjust accordingly each section of cylinder barrel (namely cylinder Part corresponding with channel 2522 or 2523 in cylinder).In certain embodiments, due to the deformation of deformable cylinder jacket 2530 It may rely on the pressure difference between cylinder jacket fluid and cylinder barrel, therefore the pressure of cylinder jacket fluid can be based at least partially on gas Pressure in the appropriate section of cylinder is controlled.Gap 2560 between cylinder barrel and piston component 2510 can accordingly by with Suitable pressure applies cylinder jacket fluid to be adjusted.Because the gap for corresponding to each channel 2522 and 2523 can be only It is on the spot adjusted, so gap can in axial direction (being namely parallel to axis 2550) change.For example, in certain implementations In example, as piston 2512 travels across one section of deformable cylinder jacket 2530, i.e., the adjustable gap positioned at this section.Increase gas Cylinder sleeve fluid pressure (such as by via one or more corresponding ports 2524 and/or 2525 to channel 2522 and/or 2523 supply cylinders cover fluid) cylinder barrel and the gap 2560 of one or more positions can be reduced, and reduce cylinder jacket fluid Pressure (such as by the way that gas is discharged from channel 2522 and/or 2523 via one or more corresponding ports 2524 and/or 2525 Cylinder sleeve fluid) cylinder barrel and the gap 2560 of one or more positions can be increased.
Figure 26 shows the sectional view of exemplary piston-mode motor 2600 according to some embodiments of the disclosure, wherein living Plug engine has deformable cylinder jacket 2630.Channel 2622 can cylinder 2620 and deformable cylinder jacket 2630 it Between formed, cylinder jacket fluid can via port 2624 be sent into channel 2622 and/or from channel 2622 return.Control is appropriate pressure The cylinder jacket fluid of power applies deforming force to deformable cylinder jacket 2630 to allow to adjust accordingly cylinder barrel.In diagram In embodiment, (such as can provide fuel and/or air or receive exhaust) port 2626 can be located at deformable cylinder The outside of set 2630 is to eliminate the demand to port or other openings in deformable cylinder jacket 2630.By adjusting channel The pressure of cylinder jacket fluid in 2622 can be realized to the gap between piston component 2610 and deformable cylinder jacket 2630 Adjusting.
In certain embodiments, the flowing of cylinder jacket fluid can be used to provide cooling for deformable cylinder jacket.Example Such as, pressure controlled and flow rates controlled cylinder jacket fluid can be used to provide for from deformable cylinder jacket (such as in burning zone Near) to cylinder jacket fluid heat loss through convection heat transmission.It can combine or replace by using the cooling of cylinder jacket fluid It is applied by using the cooling of coolant channel and/or heating tube (such as shown in Figure 22).
Figure 27 according to some embodiments of the disclosure show exemplary piston-mode motor 2700 have Local cooling The sectional view of a part in agent channel 2752 and 2754 (perpendicular to bore axis).The cylinder 2720 of piston-mode motor 2700 can To include the one or more pressure stabilizing chambers that can be coupled to one or more air throttles 2724 and one or more air throttles 2726 2722.In certain embodiments, throttling fluid can be from one or more pressure stabilizing chambers 2722 by one or more air throttles 2724 flow into coolant channel 2752 (such as exemplary arrows in coolant channel 2752 of the setting for cooled region 2732 It is shown).In certain embodiments, throttling fluid can be from one or more pressure stabilizing chambers 2722 by one or more air throttles 2726 flow into coolant channel 2754 (such as exemplary arrows in coolant channel 2754 of the setting for cooled region 2734 It is shown).One or more air throttles 2724 and 2726 may each comprise the metering hole of the restriction orifice of firm discharge, regulating flow quantity Plate, controllable throttle valve, other any suitable flow restriction features or any combination thereof.One or more 2724 Hes of air throttle 2726 can promote to reduce the pressure of throttling fluid, may further result in the temperature and/or enthalpy for reducing throttling fluid in this way.It reduces The cylinder barrel from cylinder 2720 can be enhanced in fluid temperature (F.T.) and/or enthalpy, and (such as the setting of diagram is for accommodating piston component 2710 Cylinder barrel) heat transfer.In certain embodiments, coolant channel 2752 and 2754 may include tubular conduit, manifold or other Diversion component to provide the throttling stream in the local space region from one or more air throttles 2724 and 2726 to cylinder 2720 The flowing of body, and fluid is then back to fluid control systems (such as wherein may include reflux pipeline and container).It is living Plug engine 2700 may include the pressure stabilizing chamber 2722 of any suitable number, pressure stabilizing chamber 2722 can with but not necessarily interconnect. For example, pressure stabilizing chamber 2722 may include multiple pressure stabilizing chambers, each individually controllable local space region with for cylinder 2720 Selectable cooling is provided.In another example, pressure stabilizing chamber 2722 may include single pressure stabilizing chamber, be coupled to multiple Air throttle is to provide selectable cooling for the local space region of cylinder 2720.Multiple air throttles can be individually controllable, or with Other modes have distinctive current limliting property to control the cooling in one or more local space regions of cylinder 2720.Certain In embodiment, cylinder 2720 is cooled down using throttling fluid can permit control temperature cylinder and cylinder 220 and piston component Gap between 2710.In certain embodiments, cylinder geometrical property (such as size, shape or both) direct or Connecing measurement can be used to control the cooling realized by Local cooling agent channel 2752 and 2754 by control system.For example, can be with It is contemplated that burning zone 2730 is neighbouring, near TDC has higher operating temperature, and the cooling of enhancing can be provided to region 2732 With limit temperature domain.In another example, in some cases, the cooling that weakens can be provided region 2732 to increase pair The cylinder barrel answered and relevant gap.Enhancing or decrease cooling can be by enhancing or weakening the throttling action of air throttle, adjust and save The temperature for flowing fluid, the flow velocity for adjusting throttling fluid, any other suitable are adjusted or any combination thereof to provide.Throttle fluid It may include any appropriate coolant fluid, coolant fluid can be liquid or gas.For example, throttling fluid may include Ethylene glycol, propylene glycol, water, alcohol, air, other any suitable fluids or any combination thereof (such as the second two being diluted with water Alcohol).Cylinder 2720 may include for the appropriate segment supply fluid to piston-mode motor 2700 or from piston-mode motor Any appropriate port 2770 of 2700 appropriate segment discharge fluid (such as air, fuel, exhaust gas or combinations thereof).
Figure 28 according to some embodiments of the disclosure show exemplary piston-mode motor 2800 have Local cooling The sectional view (being parallel to bore axis) of a part in agent channel 2826.Piston-mode motor 2800 may include with pressure stabilizing chamber 2822 cylinder 2820.Cylinder 2820 may include the cylinder barrel for being configured to accommodate piston component 2810,2810 structure of piston component It makes and is substantially linearly moved for the direction of the vector product along the axis substantially parallel to vector 2850 and 2860.Although scheming in Figure 28 It is shown as the pressure stabilizing chamber of annular, but pressure stabilizing chamber 2822 may include any appropriate pipe shape, be arranged for providing any conjunction Suitable flow path.Coolant can flow through air throttle 2824, flow into Local cooling agent channel 2826 to cool down in cylinder 2820 Corresponding area of space.In the illustrated embodiment, coolant is from 2824 inward flow of air throttle (four in such as Figure 28 Shown in the arrow radially-inwardly referred to) and provide then along the vector product by vector 2850 and vector 2860 direction (perpendicular to The 2850 × 2860 of the plane of Figure 28) flowing.The return flowing path of coolant does not show that in Figure 28, and may include Flow path radially, axially or both.In certain embodiments, air throttle 2824 can be in the fluid channel of part Fluid jet is generated in 2826, can be impacted on the area of space in cylinder 2820, is caused in the opposite enhancing in the region Convective heat transfer.Although being illustrated as that there is four symmetrical Local cooling agent channels 2826, piston-mode motor in Figure 28 2800 may include any suitable number, with any appropriate symmetrically or non-symmetrically structure setting in any suitable axial position The place of setting simultaneously is coupled to the pressure stabilizing chamber of any suitable number or the Local cooling agent channel in other coolant sources.
Figure 29 according to some embodiments of the disclosure show exemplary piston-mode motor 2900 have local heat source A part sectional view, the local heat source includes electric heater 2922,2923,2924,2925,2926 and 2927.It is each A electric heater 2922,2923,2924,2925,2926 and 2927 may include being provided by control system appropriate for controlling One or more electrical lead of voltage, electric current, electrical power to heater or combinations thereof.For example, electric heater 2922 and 2923 It can be used to provide heating (such as increasing cylinder 2920 to the region 2932 near burning zone 2930 alone or in combination Gap between piston component 2910).In another example, electric heater 2924,2925,2926 and 2927 can by with In the corresponding region 2934 and 2936 of heating.Local heat source's such as electric heater can be used to provide for the one or more of cylinder The relatively quick thermal control of area of space.In certain embodiments, cylinder geometrical property (such as size, shape or above-mentioned two Person) direct or indirect measurement can be by control system for controlling local heat source.For example, each electric heater 2922, It 2923,2924,2925,2926 and 2927 can temperature, pressure, gap, blow-by gas by control system in response to detecting Property, function interaction, other any suitable indexs or any combination thereof individually control.Cylinder 2920 may include being used for Fluid (example is discharged to the appropriate segment supply fluid of piston-mode motor 2900 or from the appropriate segment of piston-mode motor 2900 Such as air, fuel, exhaust gas or combinations thereof) any appropriate port 2970.
Figure 30 shows the section of a part of exemplary piston-mode motor 3000 according to some embodiments of the disclosure Figure, including can be used to heat, cooling or above two purposes fluid channel 3022 and 3024.In some embodiments In, heating fluid, cooling fluid or both can be supplied to fluid channel 3022 and 3024, fluid channel 3022 and 3024 Can with but be not required interconnection.For example, fluid can be supplied to fluid channel 3022 and 3024 as shown in four arrows of Figure 30 And (such as having the annular fluid passage for supplying and returning to port) is discharged from fluid channel 3022 and 3024.Certain In embodiment, fluid channel 3022 and 3024 can be local heat source.For example, fluid channel 3022 and 3024 can be individually controllable To provide heating for corresponding region 3032 and 3034.Fluid channel 3022 and 3024 can be by being used as heating fluid Pipeline provides heating, and heating fluid may include the coolant being for example previously heated, the fluid of discharge (such as from burning The high-temperature combustion product of section), other any suitable heating fluids or any combination thereof.In certain embodiments, fluid channel 3022 and 3024 can be used for the area of space of heating and cooling cylinder 3020.For example, heating fluid can be supplied to fluid Channel 3022 is to improve the temperature (such as increasing cylinder barrel diameter and gap) in region 3032, and cooling fluid can be supplied to Fluid channel 3024 is to reduce the temperature (such as reducing cylinder barrel diameter and gap) in region 3034.In another example, Heating fluid or coolant can be supplied to fluid channel 3022 according to the judgement result of control system.Cylinder 3020 can wrap It includes for the appropriate segment supply fluid to piston-mode motor 3000 or is discharged from the appropriate segment of piston-mode motor 3000 Any appropriate port 3070 of fluid (such as air, fuel, exhaust gas or combinations thereof).
In certain embodiments, cylinder can be configured to experience and for example introduce under the background of Figure 22 and Figure 27-30 Cylinder controlled temperature or its change corresponding thermal deformation.The part that controlled temperature or its change can correspond to cylinder is empty Between region.Coolant, heating fluid, throttling fluid, resistance type heater, any other suitably are used to control the component of temperature Or the use of feature or any combination thereof can permit one or more properties of control system control piston-mode motor for example Gap.
[combinations of various methods]
In certain embodiments, two or more in the above method can be combined.From feature placed in the middle, flow axis It holds, heating tube, coolant channel, deformable cylinder jacket and other any suitable components or feature can be appropriately combined To realize piston-mode motor according to the present disclosure.
For example, Figure 31 according to some embodiments of the disclosure show exemplary piston component 3100 have sealing element 3104, the perspective view of fluid bearing element 3108 and a part from feature 3106 placed in the middle.Piston component 3100 may include living Plug face 3102, sealing element 3104 (do not show from feature 3106 placed in the middle, fluid bearing element 3108, other any suitable components Out) or any combination thereof.(as shown in the figure) in certain embodiments can be one of sealing element 3104 from feature 3106 placed in the middle Point.For example, sealing element 3104 may include that can be in the step or bearing element of machining from feature 3106 placed in the middle Other suitable features.(not shown) in certain embodiments can be a part of piston area 3102 from feature 3106 placed in the middle. For example, can be from feature 3106 placed in the middle included in step, one or more slot type recesses, tapered portion or piston component 3100 Other features.The gas supplied from any appropriate fluid source can be via internal fluid channels (not shown) in piston component It is distributed in 3100, and can then flow through fluid bearing element 3108 and (be shown as porous in Figure 31, but any conjunction can be used Suitable bearing element) in any appropriate part.
In another example, Figure 32 shows exemplary piston-mode motor 3200 according to some embodiments of the disclosure Sectional view, piston component 3210 therein has bearing element 3214, heating tube 3250 and from feature 3212 placed in the middle, and its In cylinder 3230 have deformable cylinder jacket 3232 and coolant channel 3236.Piston component 3210 can be configured to by It is translated in the cylinder barrel that deformable cylinder jacket 3232 with gap 3260 is formed.The control of application is the cylinder jacket stream of appropriate pressure Body can be supplied to channel 3234 via port 3233 to adjust gap 3260.Bearing fluid can be supplied to channel 3218 and from The outflow of bearing element 3214 and inflow gap 3260 are to help to make piston component 3210 placed in the middle in cylinder barrel.From feature placed in the middle 3212 can contribute to keep piston component 3210 placed in the middle in cylinder barrel.Suitable coolant can be supplied to cold in cylinder 3230 But agent channel 3236 with from cylinder 3230 or in which various pieces take away heat.Heating tube 3250 with filling port 3282 It can contribute to the heat transmission to radiate from piston area 3202 to another part of piston component 3210.Port 3270 can by with In supply oxidant and/or fuel, supply and/or discharge driving gas or the exhaust gas for discharging a certain section in cylinder. In certain embodiments, the combination of one or more methods may need to consider one or more additional factors.For example, at certain In a little embodiments, piston component may include setting for being provided using blow-by gas from active force placed in the middle from feature placed in the middle and It is arranged for providing the bearing element of bearing fluid to gap.It may therefore need a part of blow-by gas between from feature placed in the middle Clearance flow is dynamic to provide from active force placed in the middle.Under certain conditions, flowing of the blow-by gas in gap may pass through change Flow pattern of the bearing fluid in gap and the performance for influencing bearing element.Therefore, from feature rear placed in the middle (relative to Burning zone) have in some embodiments of bearing element, blow-by gas can crossed from the gap portion near feature placed in the middle Later but gap is routed away from before entering the gap portion near bearing element.In addition, in certain set-up modes, Bearing element may include from feature placed in the middle and for the set in hole that guide bearing fluid, to may extend to piston area.Cause This does not need the means that gap is left using guidance blow-by gas in some such embodiments.Previous example can Selection of land is applied to be additional to burning zone or the gas-powered section other than burning zone.
[controls of gap and/or other properties]
In certain embodiments, one or more aspects in the operation of piston-mode motor can be controlled or with other Mode is managed to influence the temperature of piston-mode motor, gap, other any suitable properties or any combination thereof.At certain In a little embodiments, the temperature, pressure or other suitable properties for controlling piston-mode motor can contribute to management piston type hair Gap in motivation.For example, the relatively large temperature difference can cause the deformation of certain components of piston-mode motor for example to expand, Gap can be influenced in this way.The control temperature difference and/or temperature field can contribute to Reducing distortion, and correspondingly can contribute to pipe Manage gap.Management gap may include other any suitable properties that management can influence gap.
Figure 33 is the exemplary control device 3300 that piston-mode motor 3340 is used for according to some embodiments of the disclosure Block diagram.Control system 3310 can be communicated with the one or more sensors 3330 for being coupled to piston-mode motor 3340. Control system 3310 can be arranged for communicating with auxiliary system 3320, and auxiliary system 3320 can be used for regulating piston formula hair The various aspects of motivation 3340 or various properties.In certain embodiments, control system 3310 can be arranged for passing through use Family interface system 3350 and user interaction.
Control system 3310 may include processing equipment 3312, communication interface 3314, sensor interface 3316, control interface 3318, any other suitable components or module or any combination thereof.Control system 3310 can at least partly at one or It is real in multiple computers, terminal, console, handheld device, module, other any suitable interface equipments or any combination thereof It is existing.In certain embodiments, as shown in figure 33, the component of control system 3310 can carry out communication coupling by communication bus 3311 It closes.Processing equipment 3312 may include processor (such as central processing unit), cache, random access storage device (RAM), Read-only memory (ROM) is capable of handling the piston-mode motor received by sensor interface 3316 from sensor 3330 Other any suitable components of 3340 relevant information or any combination thereof.Sensor interface 3316 may include for biography Power supply, modulating apparatus, signal preprocessor, arbitrarily other suitable components or any combination thereof of the power supply of sensor 3330. For example, sensor interface 3316 may include for modulating and pre-processing the filter of the signal from sensor 3330, put Big device, sampler and analog-digital converter.Sensor interface 3316 can be communicated by communicative couplings 3319 with sensor 3330, be led to Letter coupling 3319 can be wired connection (such as Ethernet or Universal Serial Bus Interface using IEEE802.3), wireless coupling Close (such as using IEEE802.11 " Wi-Fi " or bluetooth), it is optical coupled, inductively, any other suitable coupled modes Or any combination thereof.Control system 3310 and be more particularly that processing equipment 3312 can be set in the relevant time Control is provided on scale for piston-mode motor 3340.For example, the variation of one or more temperature can be in response to one or more A engine operating parameter detected but it is controllable, and controlling can be when relevant to the operation of piston-mode motor Between (such as responding sufficiently fast to avoid overheat and/or unit failure) is provided on scale.
Sensor 3330 may include the sensor of any type, can be arranged for measurement piston engine Any appropriate property or aspect of machine 3340.In certain embodiments, sensor may include being arranged for measurement auxiliary System 3320 in a certain respect and/or the one or more sensors of the property of system.In certain embodiments, sensor 3330 can To include temperature sensor (such as thermocouple, resistive temperature detection device, thermistor or optic temperature sensor), set It sets the temperature of the component for measuring piston-mode motor 3340, introduce piston-mode motor 3340 or from piston-mode motor The temperature of the fluid of 3340 recycling or above-mentioned the two.In certain embodiments, sensor 3330 may include one or more Pressure sensor (such as piezoelectric pressure transmitter) is arranged for a certain section (example of measurement piston-mode motor 3340 Such as burning zone or gas-powered section) in pressure, introduce piston-mode motor 3340 or from piston-mode motor 3340 recycle The pressure of fluid or above-mentioned the two.In certain embodiments, sensor 3330 may include one or more force snesor (examples Such as piezoelectric forces transmitter), active force such as tension, pressure or the shearing being arranged in measurement piston-mode motor 3340 Power (such as the information that can indicate frictional force or other dependent interaction power).In certain embodiments, sensor 3330 can wrap Include one or more electric currents and/or voltage sensor (such as be coupled to the LEM of piston-mode motor 3340 ammeter and/or Voltmeter), it is arranged for measurement voltage, electric current, output work and/or input work (such as electric current is multiplied by voltage), piston type hair Motivation 3340 and/or other any suitable electrical properties of auxiliary system 3320 or any combination thereof.
Control interface 3318 may include wired connection (such as Ethernet or universal serial bus using IEEE 802.3 Interface), wireless coupling (such as using IEEE 802.11 " Wi-Fi ", bluetooth or others RF communication protocol), it is optical coupled, sense It should couple, other any suitable coupled modes or any combination thereof, for being communicated with one or more auxiliary systems 3320. In certain embodiments, control interface 3318 may include digital analog converter to provide for any or whole auxiliary system 3320 Analog control signal.
Auxiliary system 3320 may include cooling system 3322, control pressurer system 3324, gas-powered control system 3326 and/or other any suitable control systems 3328.Cooling/heating systems 3322 may include pump, fluid container, pressure Regulating device, shunting device, radiator, fluid line, power circuit (such as electric heater), any other are suitable Component or any combination thereof is to provide cooling, heating or both for piston-mode motor 3340.Control pressurer system 3324 It may include pump, compressor, fluid container, pressure-regulating device, fluid line, other any suitable components or its any group It closes to provide (and optionally receiving) pressure controlled fluid for piston-mode motor 3340.Gas-powered control system 3326 It may include compressor, gas container, pressure-regulating device, fluid line, other any suitable components or any combination thereof To provide (and optionally receiving) driving gas for piston-mode motor 3340.In certain embodiments, other systems 3328 may include the system equipped with valve for example cam-operated system or solenoid system to mention for piston-mode motor 3340 For oxidant and/or fuel.
User interface 3315 may include wired connection (such as Ethernet or universal serial bus using IEEE 802.3 Interface, mouth ring seal RCA type connection), wireless coupling (such as using IEEE 802.11 " Wi-Fi ", infrared or bluetooth), It is optical coupled, inductively, any other suitable coupled modes or any combination thereof, for being connect with one or more users Port system 3350 communicates.User interface system 3350 may include display 3352, keyboard 3354, mouse 3356, audio frequency apparatus 3358, other any suitable user interface facilities or any combination thereof.Display 3352 may include display screen such as cathode Ray tube display screen, liquid crystal display, light emitting diode (LED) display screen, plasma panel, it is any other suitably can to Family provides figure, text, image or display screen of other visual informations or any combination thereof.In certain embodiments, display 3352 may include touch screen, can provide for example, by providing one or more software instruction on a display screen and user Touch interactive.Display 3352 can be shown about piston-mode motor 3340, control system 3310, auxiliary system 3320, any appropriate information (such as the time sequence of a certain property of piston-mode motor 3340 of user interface system 3350 Column), other any suitable information or any combination thereof.Keyboard 3354 may include qwerty keyboard, digital keypad, appoint It anticipates the set or any combination thereof of other suitable hardware instruction buttons.Mouse 3356 may include that any appropriate can control The pointing device of the cursor or chart on graphic user interface shown on a display screen.Mouse 3356 may include hand-held Equipment (such as can two-dimensionally or three-dimensionally move), touch tablet, other any suitable pointing devices or any combination thereof.Audio Equipment 3358 may include that microphone, microphone, earphone, any other suitably are used to provide and/or receive setting for audio signal It is standby or any combination thereof.For example, audio frequency apparatus 3358 may include microphone, and processing equipment 3312 can handle and pass through user To microphone speak generation, via the received audio instructions of user interface 3315.
In certain embodiments, control system 3310 can be arranged for by receive one or more users input come Manual control is provided.For example, in certain embodiments, control system 3310 can sensor-based feedback override automatic control Setting, and the control signal for being used for auxiliary system 3320 is established in the one or more users for being directed to user interface system 3350 On the basis of input.In another example, user can input for one or more control variables (such as temperature, pressure Power, flow velocity, input work/output work or its dependent variable) setting value, and control system 3310 can be executed based on setting value Control algolithm.
In certain embodiments, operating characteristics (the namely expectation of piston-mode motor 3340 or auxiliary system 3320 The set of matter value) it can be predefined by manufacturer, user or both of the above.For example, specific operating characteristics can store and locate In the memory for managing equipment 3312, and one or more control signals can be accessed to provide.In certain embodiments, may be used To change one or more operating characteristics by user.Device 3300 can be used to keep, adjust or otherwise manage institute The operating characteristics stated.
Figure 34 is the exemplary steps according to some embodiments of the disclosure for the gap of regulating piston formula engine Flow chart 3400.
Step 3402 may include utilizing 3330 detector gap index of sensor.Gap index can be (such as coolant, Heat fluid, cylinder, piston or other component or in which a part) temperature, pressure, active force, distance (such as gap), Function interaction (such as electromagnetic work output), material (such as blow-by gas or its property), other any suitable detectabilities Matter or any combination thereof.Sensor interface 3316 can receive the gap index from sensor 3330 state and/or into Row pretreatment, and to 3312 output sensor signal of processing equipment.In certain embodiments, gap index can store and with work One or more working conditions of plug engine are associated.For example, temperature cylinder can be associated with fuel flow rate, and store For mathematic(al) representation or table.Therefore, step 3402 may include one or more working conditions of detection piston-mode motor, and Re-call the temperature cylinder value that can be used for being further processed of storage.
Step 3404 may include that processing equipment 3312 is based at least partially on the gap index detected in step 3402 To determine control response.Processing equipment 3312 can be from 3316 receiving sensor signal of sensor interface and based on sensor signal Execute one or more processing functions.Processing function may include the input pickup letter in formula or other mathematic(al) representations Number value uses sensor signal value, other any suitable processing or combinations thereof in inquiry table or other database.Processing Equipment 3312 can determine control response based on the output of one or more processing functions.For example, the value calculated can with it is predetermined Threshold value compare with the suitable control response of determination.In another example, one or more values calculated can be entered Control algolithm (such as proportional-integral-differential (PID) control algolithm) then can determine one or more control signal values.
Step 3406 may include processing equipment 3312 based in part on the control response benefit determined in step 3404 Control signal is provided to one or more auxiliary systems 3320 with control interface 3318.Control signal can be analog signal, number Word signal or combinations thereof (such as combination of analog signal and Time series signal), can be provided as electric signal (such as Utilize cable), electromagnetic signal (such as utilizing IEEE 802.11 " Wi-Fi " or Bluetooth Receiver/transmitter), optical signal (such as Utilize fiber optic cables), inductive signal (such as utilizing suitable induction coil) or other suitable signal types.
Step 3408 may include that one or more receptions of auxiliary systems 3320 are used to adjust work what step 3406 obtained The gap of plug engine 3340 or the control signal of other properties.One or more auxiliary systems 3320 can be based on offer Control signal is suitably adjusted to adjust pressure, temperature, flow velocity, glide path, electric current, voltage, electrical power, any other of realization Or any combination thereof.As shown in the dotted arrow in Figure 34, any or whole step 3402-3408 can be repeated to permit Perhaps closed-loop control.In some embodiments it is possible to wherein step 3402 can (but not essential) be omitted using open-loop method, And execute to open loop step 3404-3408.
In certain set-up modes, the cylinder and/or piston component of piston-mode motor or in which comprising fluid temperature Degree domain can be the main and convenient index in gap, and temperature field correspondingly can actively be adjusted to adjust gap.? In exemplary example, step 3402 may include that detection temperature such as temperature cylinder or coolant (such as are supplied to piston type The coolant of the coolant channel of the cylinder of engine) temperature.Step 3404 can include determining that how to adjust temperature field with Gap is kept or otherwise manages, and step 3406 may include that corresponding control letter is provided to suitable auxiliary system Number.For example, temperature cylinder can be increased by reducing the flow velocity of coolant, gap can be increased by thermal expansion in this way. In another example, temperature cylinder can be reduced by increasing the flow velocity of coolant, can be subtracted in this way by thermal contraction Small―gap suture.In another example, adjustable coolant in more than one set of fluid channel or heat the flow of fluid with Control the temperature field of multiple regions in cylinder (for example, see Figure 22).It, can be based on the control of step 3406 referring to previous example Signal processed, by adjusting such as revolving speed of flow control valve, pump, bypass flow control valve, pressure-regulating device, other any conjunctions Suitable control device for coutroi velocity or any combination thereof come adjust coolant or heat fluid flow.Show at another In plasticity example, step 3402 may include detecting the temperature of heating tube of the temperature for example in the cylinder of piston-mode motor (such as heating tube or in which heating pipe fluid temperature).Step 3404 can include determining that how to adjust temperature field to keep Or gap is otherwise managed, and step 3406 may include providing corresponding control signal to suitable auxiliary system.Example Such as, heating tube temperature (such as fluid or can be subtracted by increasing the pressure of the fluid in heating tube by being added into heating tube The volume of small heating tube) and increase, gap can be increased in this way.In another example, heating tube temperature can pass through reduction Heating tube pressure (such as pass through from heating tube be discharged fluid or increase heating tube volume) and reduce, between can reduce in this way Gap.Referring to previous example, can be adjusted based on the control signal of step 3406 by adjusting such as flow control valve, pressure It is appropriate included by device, check-valves, other any suitable control devices for being used to control heating pipe pressure and heating tube Fluid port or any combination thereof adjust the stream in (such as with fluid port or other adjustable features) heating tube The property of body.
Figure 35 is that one or more properties according to some embodiments of the disclosure for regulating piston formula engine are shown The flow chart 3500 of plasticity step.
In some embodiments it is possible to utilize 3330 detector gap index of one or more sensors.Sensor interface 3316 can receive original signal from sensor 3330 and provide sensor signal to processing equipment 3312.For example, step 3502 It may include for example being positioned to be in contact or be located near a part of cylinder with a part of cylinder using temperature sensor The thermocouple of (such as near burning zone) detects the temperature cylinder of piston-mode motor 3340.In some cases, cylinder temperature The raising of degree can indicate that the cooling insufficient of gap can be influenced.In another example, step 3504 may include utilizing temperature It is (such as living nearby that degree sensor is for example positioned to be in contact or be located in a part of piston component a part of piston component Near plug face) thermocouple detect the piston temperature of piston-mode motor 3340.In some cases, the raising of piston temperature It can indicate that the cooling insufficient of gap can be influenced.In another example, step 3506 may include utilizing temperature sensor Such as be positioned to be in contact or be located near fluid with fluid (such as fluid line is inserted into using suitable measurement port In) thermocouple come detect the fluid in piston-mode motor 3340 (such as can be supplied to piston-mode motor 3340 or From piston-mode motor 3340 be discharged coolant, heating fluid or exhaust gas) temperature.For example, in some cases, coolant The raising of temperature can indicate that the cooling insufficient of gap can be influenced.In another example, step 3507 may include utilizing Pressure sensor is for example positioned to be in contact or be located near coolant with coolant (such as to be inserted using suitable measurement port Enter into pipeline) piezo-electric pick-up detect the burning zone in piston-mode motor 3340, gas-powered section, gap, cooling The pressure of agent, heating fluid, any other fluids or any combination thereof.In another example, step 3508 may include It is for example positioned near the interface for being in contact or being located in component with the interface of component using force snesor and/or temperature sensor Piezo-electric pick-up and/or thermocouple detect the friction between the component in piston-mode motor 3340.In some cases, The enhancing of friction effect (such as frictional force or heat of friction generation) can indicate gap deficiency.In another example, step 3509 may include the one or more properties for detecting the gap in piston-mode motor 3340.One or more properties It may include asymmetry (such as the benefit of the thickness (such as using proximity sensor for example inductive pick-up) in gap, gap With multiple proximity sensors for example inductive pick-up), temperature (such as utilizing temperature sensor), the blow-by gas of blow-by gas Pressure (such as utilizing pressure sensor), blow-by gas composition (such as using gas sensor for example optical waveguide absorb pass Sensor) and other suitable properties or any combination thereof.In another example, step 3510 may include being passed using electromagnetism (such as detection pressure is with for calculating mean effective pressure for sensor (such as voltmeter, ammeter or power meter), pressure transmitter (MEP) MEP, braking MEP and/or the MEP that rubs for example are indicated) or other suitable sensor detection piston-mode motors 3340 Function interacts to provide the instruction in gap.In some cases, the reduction of function output or the increase of power input demand can refer to Show that gap is insufficient and/or excessive.
Step 3512 may include processing equipment 3312 based in part on it is any or it is whole step 3502, 3504, the gap index that detects in 3506,3508 and 3510 determines control response.Processing equipment 3312 can be from sensor 3316 receiving sensor signal of interface simultaneously executes one or more processing functions based on sensor signal.Handling function may include In formula or other mathematic(al) representation input sensor signal value, in inquiry table or other databases use sensor Signal value, other any suitable processing or combinations thereof.Processing equipment 3312 can be based on the defeated of one or more processing functions Control response is determined out.For example, the value calculated can be compared with scheduled threshold value with the suitable control response of determination.Another In a example, the value that one or more calculates can be entered control algolithm (such as pid control algorithm), then can determine one A or multiple control signal value.
Step 3514 may include processing equipment 3312 based in part on the control response benefit determined in step 3512 Control signal is provided to one or more auxiliary systems 3320 with control interface 3318.Control signal can be analog signal, number Word signal or combinations thereof (such as combination of analog signal and Time series signal), can be provided as electric signal (such as Utilize cable), electromagnetic signal (such as utilizing IEEE 802.11 " Wi-Fi " or Bluetooth Receiver/transmitter), optical signal (such as Utilize fiber optic cables), inductive signal (such as utilizing suitable induction coil) or other suitable signal types.
In certain embodiments, the control signal in step 3514 can be received by one or more auxiliary systems 3320, The gap of the adjustable piston-mode motor 3340 of the auxiliary system 3320 or other properties.For example, as shown in step 3516, Control signal in step 3514 can be received by cooling/heating systems 3322, the adjustable cooling of cooling/heating systems 3322 Agent or the temperature for heating fluid.Cooling/heating systems 3322 may include that thermostat or other temperature adjust dress It sets, the coolant of piston-mode motor 3340 can be supplied in step 3516 according to control Signal Regulation or heats the temperature of fluid Degree.In another example, step 3516 may include adjusting one or more throttling properties to control throttling fluid temperature (F.T.) Cooling/heating systems 3322.In another example, as shown in step 3518, the control signal in step 3514 can be by cold But/heating system 3322 receives, the adjustable coolant of cooling/heating systems 3322 or the flow velocity for heating fluid.Cooling/heating System 3322 may include flow regulator (such as metering valve or orifice plate), can be according to control Signal Regulation in step 3518 It is supplied to the coolant of piston-mode motor 3340 or heats the flow velocity of fluid.In another example, step 3518 can wrap Include the cooling/heating systems 3322 for adjusting one or more throttling properties to control throttling fluid flow rate.In another example, As shown in step 3520, the control signal in step 3514 can be received by cooling/heating systems 3322, cooling/heating systems 3322 can adjust coolant in step 3520 or heat the glide path of fluid.Cooling/heating systems 3322 may include one A or multiple valves, air throttle or other volume control devices can be supplied to piston type according to the guidance of control signal and control Engine 3340 go to and/or the coolant from one or more fluid channel or heat fluid flow velocity.At another In example, as shown in step 3522, the control signal in step 3514 can be received by control pressurer system 3324, pressure control System 3324 can be in one or more properties of step 3522 adjusting heating tube.Control pressurer system 3324 may include one Or multiple valves and fluid container, and can be according to control signal (such as by heating tube supply fluid or from heating tube Be discharged fluid) regulating piston formula engine 3340 heating tube in Fluid pressure.In another example, such as step 3524 Shown, the control signal in step 3514 can be received by control pressurer system 3324, and control pressurer system 3324 is adjustable The pressure and/or flow of the cylinder jacket fluid of deformable cylinder jacket for piston-mode motor 3340.Control pressurer system 3324 may include one or more valves, pump and fluid container, and can be according to control signal (such as by increasing or dropping Pressure in low cylinder jacket channel is come) pressure and/or flow velocity of cylinder jacket fluid are adjusted, and adjust accordingly piston-mode motor The deformation of 3340 deformable cylinder jacket.In another example, as shown in step 3526, the control signal in step 3514 can To be received by other systems 3328, one or more property of the adjustable piston-mode motor 3340 of other systems 3328 Matter.Other systems 3328 may include any appropriate component with for realizing in step 3526 based in part on control One or more properties of Signal Regulation piston-mode motor 3340.For example, other systems 3328 may include that use is set In providing the power supply of electric power, and step to one or more resistance type heaters for being built in piston-mode motor 3340 3526 may include adjusting to be supplied to voltage, electric current of resistance type heater or both.
Arbitrary exemplary steps can be combined with the step of other, be saved according to the disclosure in flow chart 3400-3500 Slightly, it resets or otherwise changes.
Above content is only the exemplary illustrated of disclosure principle, and those skilled in the art can complete various changes Type is without departing from the scope of the present disclosure.In order to which exemplary and unrestricted purpose provides the above embodiments.The disclosure The diversified forms different from the content clearly introduced herein can be used.Therefore, it be stressed that the disclosure be not limited to it is bright Really disclosed mthods, systems and devices, but being construed as includes falling within the essence of the appended claims, disclosure Various modifications and variations.

Claims (26)

1. a kind of component, comprising:
Cylinder, the cylinder include cylinder barrel and can be comprising the cylinder sections of fluid；
Piston component, the piston component can be along the axis axial translations of the cylinder barrel, wherein the piston component includes living Plug face；
At least one bearing element, at least one described bearing element be attached to the piston component and be configured to The bearing fluid of flowing is provided in the gap formed between the piston component and the cylinder, wherein bearing fluid includes gaseous state Bearing fluid；And
Blow-by gas wherein from the cylinder section be directed to flow through the piston component with prevent blow-by gas it is described extremely It is flowed in gap portion near a few bearing element.
2. component as described in claim 1, wherein the piston component further comprises transfer passage, the transfer passage quilt It is configured to provide bearing fluid from fluid source receiving bearing fluid and to the bearing element.
3. component as claimed in claim 2, wherein the bearing element includes porous circular element, the porous ring-type Element allows bearing fluid to be flowed radially outward from the transfer passage by hole to the gap.
4. component as claimed in claim 2, wherein the bearing element includes one or more radial holes, it is one or more A radial hole is configured to that bearing fluid is allowed to flow radially outward from the transfer passage to the gap.
5. component as described in claim 1, wherein the bearing element includes graphite component, the gold with machined features Belong at least one of element, sintered metal elements, porous ceramic element and non-porous ceramic component.
6. component as described in claim 1, wherein the bearing fluid includes air.
7. component as described in claim 1, wherein the fluid for including in the cylinder section includes gas, and the wherein work Plug assembly further comprises helping the piston component relative to described using the flowing of the blow-by gas from the cylinder section The axis of cylinder barrel feature placed in the middle or component.
8. component as described in claim 1, wherein the fluid for including in the cylinder section includes gas.
9. component as described in claim 1, wherein the fluid for including in the cylinder section includes gas, and the wherein work Plug assembly further comprises labyrinth, and the labyrinth is configured to influence the flowing of blow-by gas.
10. component as claimed in claim 9, wherein the labyrinth includes multiple circumferential recess.
11. component as described in claim 1, wherein the flowing of the bearing fluid is configured to be formed in the gap Fluid layer.
12. component as claimed in claim 11, wherein the fluid layer helps to make the piston component relative to the cylinder The axis of cylinder is placed in the middle.
13. component as described in claim 1, wherein the cylinder section includes at least one in burning zone and gas drive section Kind, and wherein the piston area is configured to contact the cylinder section.
14. component as described in claim 1, wherein the component is configured to oil-free operation.
15. component as described in claim 1 further comprises the sealing element for influencing the flowing of blow-by gas.
16. a kind of component, the component is configured to the axis axial translation along cylinder, and the cylinder includes can be comprising stream The cylinder section of body, the component include:
Piston area, the piston area are configured to contact the cylinder section；
At least one bearing element, at least one described bearing element are attached to the component and are configured to described The bearing fluid flowed outward is provided in the gap formed between component and the cylinder, wherein the component is not in contact with described Cylinder；And
Wherein the component is configured to that the blow-by gas from the cylinder section is guided to flow through the component to prevent blowby Gas flows in the gap portion near at least one described bearing element.
17. component as claimed in claim 16 further comprises transfer passage, wherein the transfer passage be configured to from Fluid source receiving bearing fluid and to the bearing element provide bearing fluid.
18. component as claimed in claim 17, wherein the bearing element includes porous circular element, the porous ring The very best part allows bearing fluid to be flowed radially outward from the transfer passage by hole to the surface of the component.
19. component as claimed in claim 17, wherein the bearing element includes one or more radial holes, it is one or Multiple radial holes are configured to that bearing fluid is allowed to flow radially outward from the transfer passage to the surface of the component.
20. component as claimed in claim 16, wherein the fluid for including in the cylinder section includes gas, the component is into one Step helps the component placed in the middle relative to the axis of the cylinder including the use of the flowing of the blow-by gas from the cylinder section Feature.
21. component as claimed in claim 16, wherein the fluid for including in the cylinder section includes gas, the component is into one Step includes labyrinth, and the labyrinth is configured to influence the flowing of blow-by gas.
22. component as claimed in claim 16, wherein the fluid for including in the cylinder section includes gas.
23. component as claimed in claim 16, wherein the bearing fluid includes air.
24. component as claimed in claim 16, wherein the cylinder section includes at least one in burning zone and gas drive section Kind, and wherein the piston area is configured to contact the cylinder section.
25. component as claimed in claim 16, wherein the component is configured to oil-free operation.
26. component as claimed in claim 16 further comprises the sealing element for influencing the flowing of blow-by gas.
CN201280069300.4A 2011-12-29 2012-12-21 For managing the method and system in the gap in piston-mode motor Active CN104145084B (en)

Applications Claiming Priority (9)

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US13/340,544 US9097203B2 (en) 2011-12-29 2011-12-29 Methods and systems for managing a clearance gap in a piston engine
US13/340,544 2011-12-29
US13/340,534 US8720317B2 (en) 2011-12-29 2011-12-29 Methods and systems for managing a clearance gap in a piston engine
US13/340,538 US9004038B2 (en) 2011-12-29 2011-12-29 Methods and systems for managing a clearance gap in a piston engine
US13/340,537 2011-12-29
US13/340,538 2011-12-29
US13/340,537 US20130167797A1 (en) 2011-12-29 2011-12-29 Methods and systems for managing a clearance gap in a piston engine
US13/340,534 2011-12-29
PCT/US2012/071525 WO2013101786A1 (en) 2011-12-29 2012-12-21 Methods and systems for managing a clearance gap in a piston engine

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WO2013101785A1 (en) 2013-07-04
CN104136715B (en) 2017-09-19
WO2013101784A1 (en) 2013-07-04
EP2798154A1 (en) 2014-11-05
EP2798155A1 (en) 2014-11-05
IN2014KN01358A (en) 2015-10-16
JP2015506435A (en) 2015-03-02
MX350984B (en) 2017-09-27
CN104136715A (en) 2014-11-05
CN104145084A (en) 2014-11-12
JP2015503700A (en) 2015-02-02
IN2014KN01359A (en) 2015-10-16
MX2014008148A (en) 2015-06-05
MX2014007994A (en) 2015-04-10
MX354585B (en) 2018-03-09
WO2013101786A1 (en) 2013-07-04
WO2013101787A1 (en) 2013-07-04

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