CN101688528A - Motor-compressor drive apparatus - Google Patents
Motor-compressor drive apparatus Download PDFInfo
- Publication number
- CN101688528A CN101688528A CN200780052864A CN200780052864A CN101688528A CN 101688528 A CN101688528 A CN 101688528A CN 200780052864 A CN200780052864 A CN 200780052864A CN 200780052864 A CN200780052864 A CN 200780052864A CN 101688528 A CN101688528 A CN 101688528A
- Authority
- CN
- China
- Prior art keywords
- compressor
- motor
- compressors
- live axle
- drive apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/06—Several compression cycles arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/13—Economisers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Multiple compressors are connected to a common shaft of a drive motor. Provision may be made for selectively disengaging one or more of the compressors from its drive connection. The multiple compressors are preferably attached to opposite ends of a common motor shaft extending from both ends of the motor. Multiple compressors may be arranged to operate in parallel flow relationship or in series flow relationship in a single refrigerant circuit. The compressors may also be installed on separate refrigerant circuits. In a series flow relationship, a vapor or liquid injection function may be provided. Both compressors may be of an open- drive design, or one of the compressors may share a common housing with the motor.
Description
Technical field
[0001] the present invention relates generally to a kind of refrigerant system, particularly relate to a kind of method and apparatus that is connected to a plurality of compressors on the single electric motor that is used to drive.
Background technique
[0002] on the whole, there is two types driven compressor to arrange for refrigerant system.Wherein a kind of project organization comprises compressor unit and the motor that is positioned at single closed shell, and it is called as sealing or semi-closed compressor is arranged.Another kind of project organization comprises compressor and motor separately, and wherein, motor is exposed in the surrounding environment.This layout is called as opening type and arranges.In a kind of structure in back, motor and compressor pass the axle that compressor housing stretches out by one and are connected.For preventing that leakage of refrigerant to surrounding environment or prevent that environmental gas from entering into refrigerant system, needing some sealing arrangements.
[0003] at many HVAC﹠amp; R (heating, ventilation, air-conditioning and refrigeration) needs a plurality of compressors in using in individual system.Described a plurality of compressor can be applied in the single refrigerating circuit or in a plurality of refrigerating circuit, the axle that also can be connected in series or go here and there connects.Thereby, in these are used, need a large amount of drive motors related with above-mentioned compressor, also be motor of each separate compressors.Each motor includes the maintenance and relevant space, weight and the installation cost of manufacture cost, the subsidiary cost relevant with motor itself, relevant necessity.Therefore, and compare, need to reduce the quantity of drive motor by the number of compressors of these electric motor driven refrigerant systems.
Summary of the invention
[0004] in brief, according to an aspect of the present invention, single electric motor be associated with a plurality of compression units (or compressor) and with they mechanical connections, wherein, at least one compression unit is an opened compressor.In described compression unit some are not under the situation of opening type type, these compression units just with the shared same housing of motor.In this case, described motor reel stretches out from housing, and other compression unit is connected to the end of described axle in the mode of opening.Like this, just produced a kind of mixing cloth structure, wherein, some compression units are parts of opened compressor structure, and other compression units and motor share common housing.At all compression units all is under the situation of opening type type, and described motor is positioned at the outside of compressor housing, and opening directly is communicated with surrounding environment.
[0005] according to an aspect of the present invention, described drive motor has the live axle that extends from its two end part, wherein, each end all be associated with one or more compression units and mechanical connection they.
[0006] according to another aspect of the present invention, can be connected with driving between one or more opened compressors by using clutch or analog to separate described drive motor.
[0007] according to another aspect of the present invention, described a plurality of compression unit (or compressor) but fluid be connected in the separately loop of refrigerant system.
[0008] according to another aspect of the present invention, described compressor can be connected in the single loop of refrigerant system with an in parallel or so-called string axle layout.
[0009] according to another aspect of the present invention, described a plurality of compressor can be spread with series connection and put in the single loop that is connected refrigerant system.
[0010] in accompanying drawing as described below, described preferred or improved embodiment; But, under the situation that does not deviate from the spirit and scope of the present invention, can make other various distortion and replace structure.
Description of drawings
[0011] Fig. 1 is the schematic representation of the present invention that is attached in a plurality of compressors with independent loop;
[0012] Fig. 2 is an alternative embodiment of the invention;
[0013] Fig. 2 A is an alternative embodiment of the invention;
[0014] Fig. 2 B also is an alternative embodiment of the invention;
[0015] Fig. 3 is another embodiment of the present invention;
[0016] Fig. 4 is attached in the same loop of refrigerant system with the schematic representation of the present invention in a plurality of compressors of flow relation operation in parallel;
[0017] Fig. 5 is attached in the same loop of refrigerant system with the schematic representation of the present invention in a plurality of compressors of series connection flow relation operation.
Embodiment
[0018] as shown in Figure 1, the present invention roughly shown in 10, is applied to a pair of opened compressor 11 and 12, and wherein, compressor 11 and 12 fluids are connected in the refrigerant circuit separately.That is to say that opened compressor 11 is connected in the refrigerant circuit that comprises condenser 13, expansion gear 14 and vaporizer 16 with series connection flow relation fluid.Similarly, opened compressor 12 connects condenser 17, expansion gear 18 and vaporizer 19 with series connection flow relation fluid.It should be understood that basic refrigerant circuit shown in Figure 1 can comprise various selections and enhanced features.All these refrigerant circuits are arranged and can be utilized the present invention or benefit from the present invention equally.
[0019] described opened compressor 11 and 12 is all driven by common motor 21, and this motor 21 preferably has common live axle, and this live axle extends by shaft end 22 and 23 from the two end part of motor.Like this, shaft end 22 extensions drive opened compressor 11 to pass through mechanical coupling 24, and opened compressor 12 is connected to shaft end 23 by mechanical coupling 26.Described mechanical coupling 24 and 26 can be simple spill axle sleeve, and axle sleeve receives two protruding axles in its end.Coupling also can be more complicated connection set, such as gear or flexible coupling, and gear-box, friction driver or analog.Each mechanical coupling 24 and 26 all can have joint-segregating unit 27 and 28, as clutch or analog, connects to allow the control of operator or system optionally to engage or to separate one or more drivings.
It should be understood that in compressor assembly that [0020] each compressor 11 and 12 can comprise a plurality of unit.All these configurations are equally in protection scope of the present invention.
[0021] selectively, in the compressor and motor can be closed in the common housing.In this layout, be positioned at the compressor unit of common housing and motor combination the spitting image of common sealing or semi-closed compressor; Exception be that stretch out from housing to connect described opened compressor an end of motor reel.For preventing that refrigeration agent from from by leaking the gap that projecting shaft produced, needing this gap of sealing.This gap is sealing by known methods usually, seals as axial plane.This arranges optionally and is illustrated among Fig. 1 that wherein, compressor 11 and motor 26 demonstrations are closed in the common housing 15, and common housing as shown in phantom in FIG..
[0022] Fig. 2 has represented another selectivity embodiment, and wherein, drive motor 29 has single shaft end 31, a pair of belt wheel 32 and 33 by rigid attachment with by shaft end 31 rotation.Belt wheel 32 is mechanically connected to belt wheel 36 by belt 34, and belt wheel 36 drives opened compressor 37.Similarly, belt wheel 33 is mechanically connected to belt wheel 39 to drive opened compressor 41 by belt 38.
[0023] Fig. 2 A has represented another selectivity embodiment, and two compression units 81 and 82 are connected to the same end of axle via mechanical coupling 83 with tandem arrangement.In addition, Fig. 2 B also illustrates another embodiment, and wherein, a compression unit (as compression unit 81) and motor 89 can be set in the same housing 84.In two embodiments of Fig. 2 A and Fig. 2 B, described mechanical coupling 83 can be arranged between two compression units 81 and 82.
[0024] belt transmission is arranged in the motor with double ended 42 that can be applied to equally as shown in Figure 3.Here, motor 42 has the shaft end 43 and 44 that is associated with belt wheel 46 and 47.Belt wheel 46 is by belt 48 mechanical connection belt wheels 49, and belt wheel 49 drives opened compressor 51.Similarly, belt wheel 47 is by belt 52 mechanical connection belt wheels 53, and belt wheel 53 drives opened compressor 54.In these two compressors any can be by engaging with drivign belt or separating and optionally be connected or separate.
Should be appreciated that [0025] in the embodiment of Fig. 1 and Fig. 3, described motor is the double ended type, it has the following advantages, because load is positioned at the opposed end of described axle, therefore plays balance effect each other, thereby can reduce wearing and tearing bearing of motor.Though the embodiment of Fig. 1 and Fig. 3 has better balance and sees it is preferred from viewpoint of reliability, the structure of Fig. 2, Fig. 2 A and Fig. 2 B can be applied to have the situation of dimension constraint or spatial constraints.
[0026] reach the separately refrigerating circuit except can be applicable to a plurality of compressors, single electric motor, common drive arrangement also can be applied to the use of a plurality of compressors in single refrigerating circuit as shown in Figure 4 and Figure 5.
[0027] in the embodiment 40 of Fig. 4, two opened compressors 56 and 57 are driven by common drive motor 58, and with flow relation fluid connection in parallel, wherein, they are discharged to refrigeration agent in the common discharge pipe line 59, this discharge pipe line 59 leads to condenser 61, expansion gear 62 and the vaporizer 63 that is connected in series, and refrigerant vapour is got back in the common suction line 64 of two compressors 56 and 57.As previously mentioned, according to the heat load demand that is conditioned in the space, compressor 56 can be selectively engaged or separate with 57.In addition, as explained above, one in the compressor 56 and 57 can be opening type, and another can be closed in the same housing with drive motor 58.Shown in the dotted line among Fig. 4 71, in same housing, comprise compressor 56 and motor 58.
[0028] in the embodiment 50 of Fig. 5, two opened compressors 56 and 57 are driven by common motor 58, and connect with order or series connection flow relation.Here, opened compressor 57 is expelled to the suction side of opened compressor 56 with refrigeration agent, and refrigerant flow direction condenser 61, expansion gear 62 and vaporizer 63 afterwards flow into the suction side of opened compressor 57 then.
[0029] can provide use economizer or steam function of injecting equally, wherein, economizer line 67 is connected to the location point between two compressors 56 and 57, according to the aperture of economizer expansion device 68, part of refrigerant stream is used for the refrigeration agent that supercooling flows to the major loop of vaporizer 63 by economizer heat exchanger 69.Be known in the art, the general operation of economizer function can strengthen the performance (efficient and capacity) of refrigerant system.Equally, the various project organizations of energy-saving device circuit (comprising the selection of flash drum) all comprise within the scope of the invention and benefit from the present invention equally.In addition, can also there be a compression stage or a more than energy-saving device circuit to be attached in the refrigerant system design more than two-stage.
[0030] as previously mentioned, each compressor 56 can optionally engage or separate as requested with 57, can provide the refrigerant bypass pipeline refrigerant bypass to be walked around the compressor (not shown) of separation simultaneously.Be similar to the steam function of injecting, liquid injects feature and can be employed so that a part of liquid refrigerant is injected between compression stage 56 and 57, to reduce the discharge temperature of refrigeration agent.Equally, in the compressor among Fig. 5 56 and 57 can with motor 58 share common housings.This is schematically illustrated by the dotted line among Fig. 5 73, comprises compressor 57 and motor 58 in same housing.Preferably, than stage compressor 57 should with motor 58 shared same housings because refrigeration agent sucks steam cool motors simultaneously.
What [0031] will also be understood that is in the foregoing description as herein described, and compressor can be selected from various types of compressors, comprises reciprocating type, screw type, eddy type, centrifugal or axial compressor.The type of each compressor or compression unit can be by a plurality of compressors or compression unit representative.For example, a compression unit can comprise several centrifugal compressor stage.The present invention can be applied to different refrigerant system types, comprises living or commercial cooling and heating application.It can be used to provide cooling and refrigeration in supermarket, truck trailer and the shipping container application equally.
[0032] though some preferred embodiment of the present invention and selectivity embodiment are described in detail, it being understood that and under the situation that does not deviate from spirit and scope of the invention, can adopt structure and operational various distortion.
Claims (32)
1. motor-compressor drive apparatus comprises:
Motor with the live axle that therefrom extends;
First opened compressor with driven;
Second compressor with driven; With
The live axle of described motor is connected to described first and second compressor both.
2. motor-compressor drive apparatus as claimed in claim 1 also has segregating unit, is used for optionally making the live axle disengaging of the one or more and described motor in the described compressor to be connected.
3. motor-compressor drive apparatus as claimed in claim 1, wherein, described second compressor is an opened compressor.
4. motor-compressor drive apparatus as claimed in claim 1, wherein, described second compressor and described motor share common housing.
5. motor-compressor drive apparatus as claimed in claim 1, wherein, the live axle of described motor extends from an end of described drive motor.
6. motor-compressor drive apparatus as claimed in claim 5, wherein, at least one in described first and second compressors is connected to described live axle by mechanical coupling.
7. motor-compressor drive apparatus as claimed in claim 5, wherein, at least one in described first and second compressors is mechanically connected to described live axle by belt wheel and belt.
8. motor-compressor drive apparatus as claimed in claim 1, wherein, the live axle of described motor extends from the two end part of this motor, and the axle of described first and second compressors is connected on the opposed end of live axle of described motor.
9. motor-compressor drive apparatus as claimed in claim 8, wherein, at least one in the described connection is mechanical coupling.
10. motor-compressor drive apparatus as claimed in claim 8, wherein, at least one in described first and second compressors is mechanically connected to the live axle of described motor by belt wheel and belt.
11. motor-compressor drive apparatus as claimed in claim 1, wherein, in described first and second compressors each all fluid is connected at least one refrigerant circuit, and this refrigerant circuit comprises into condenser, expansion gear and the vaporizer of series connection flow relation at least.
12. motor-compressor drive apparatus as claimed in claim 11, wherein, described at least one refrigerant circuit is single loop, and wherein said compressor moves with flow relation in parallel.
13. motor-compressor drive apparatus as claimed in claim 11, wherein, described at least one refrigerant circuit comprises a pair of refrigerant circuit, and wherein each described compressor all is connected in the refrigerant circuit separately.
14. motor-compressor drive apparatus as claimed in claim 11, wherein, described compressor connects with the series connection flow relation.
15. motor-compressor drive apparatus as claimed in claim 14 also comprises energy-saving device circuit, wherein at least a portion refrigeration agent flow to the location point between two described compressors.
16. motor-compressor drive apparatus as claimed in claim 1, wherein, at least one in the described compressor comprises a plurality of compressors.
17. a method that drives a pair of compressor may further comprise the steps:
Motor with the live axle that therefrom extends is provided; And
Described live axle is mechanically connected to first opened compressor and second compressor.
18. method as claimed in claim 17, wherein, described second compressor is an opened compressor.
19. method as claimed in claim 17, wherein, described second compressor and described motor share common housing.
20. method as claimed in claim 17 also comprises the step of connecting with the live axle of one or more disengagings in the described compressor and described motor.
21. method as claimed in claim 17, wherein, the live axle of described motor extends from an end of described drive motor.
22. method as claimed in claim 21, wherein, described at least one compressor is connected to described live axle by mechanical coupling.
23. method as claimed in claim 21, wherein, at least one compressor is mechanically connected to described live axle by belt wheel and belt.
24. method as claimed in claim 17, wherein, the live axle of described motor extends from the two end part of motor, and the axle of described first and second compressors is connected to the opposed end of the live axle of described motor.
25. method as claimed in claim 24, wherein, at least one during described driving connects realizes by mechanical coupling.
26. method as claimed in claim 24, wherein, at least one compressor is mechanically connected to described live axle by belt wheel and belt.
27. method as claimed in claim 17, further comprising the steps of: each in described first and second compressors all fluid is connected at least one refrigerant circuit, and this refrigerant circuit comprises into condenser, expansion gear and the vaporizer of series connection flow relation at least.
28. method as claimed in claim 27 is further comprising the steps of: described at least one refrigerant circuit is single loop, and described compressor connects into flow relation operation in parallel.
29. method as claimed in claim 27 is further comprising the steps of: described at least one refrigerant circuit comprises a pair of refrigerant circuit, and each described compressor all is connected in the refrigerant circuit separately.
30. method as claimed in claim 27 is further comprising the steps of: described compressor connects with the series connection flow relation.
31. method as claimed in claim 30 is further comprising the steps of: comprise economizer function, wherein, at least a portion refrigeration agent flow to the location point between described two compressors.
32. method as claimed in claim 17, wherein, at least a in described two kinds of compressors comprises a plurality of compressors.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2007/011003 WO2008136796A1 (en) | 2007-05-07 | 2007-05-07 | Motor-compressor drive apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101688528A true CN101688528A (en) | 2010-03-31 |
Family
ID=39943784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780052864A Pending CN101688528A (en) | 2007-05-07 | 2007-05-07 | Motor-compressor drive apparatus |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20100139298A1 (en) |
| CN (1) | CN101688528A (en) |
| WO (1) | WO2008136796A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536733A (en) * | 2012-03-12 | 2012-07-04 | 贵州赤天化股份有限公司 | Steam-driven structure of large-sized natural gas fertilizer device |
| CN104819607A (en) * | 2015-05-12 | 2015-08-05 | 广东美的暖通设备有限公司 | Refrigerating system, refrigerant control method and device and air conditioner |
| CN107905974A (en) * | 2017-12-18 | 2018-04-13 | 珠海格力电器股份有限公司 | Power device and air conditioning system |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ21157U1 (en) * | 2010-04-14 | 2010-08-09 | DT-VÝHYBKÁRNA A STROJÍRNA, a.s. | Lock system hydraulic device with parallel connected hydraulic cylinders in rail-switches |
| CA2746296C (en) | 2010-07-16 | 2016-01-26 | Patton's Medical, Llc | Compressed air device for allowing the expeditious adjustment of drive belts |
| CN104094508B (en) | 2011-05-13 | 2017-10-24 | 开利公司 | Magnetic driving coupling device |
| DE102012003446A1 (en) * | 2012-02-21 | 2013-08-22 | Linde Aktiengesellschaft | Compacting a cryogenic medium |
| EP2947401A1 (en) * | 2014-05-23 | 2015-11-25 | Vlaamse Instelling voor Technologisch Onderzoek (VITO) | Multi-stage heat engine |
| US11585608B2 (en) | 2018-02-05 | 2023-02-21 | Emerson Climate Technologies, Inc. | Climate-control system having thermal storage tank |
| US11149971B2 (en) | 2018-02-23 | 2021-10-19 | Emerson Climate Technologies, Inc. | Climate-control system with thermal storage device |
| US11346583B2 (en) * | 2018-06-27 | 2022-05-31 | Emerson Climate Technologies, Inc. | Climate-control system having vapor-injection compressors |
| GB2624981A (en) * | 2021-06-16 | 2024-06-05 | Univ Colorado State Res Found | Air source heat pump system and method of use for industrial steam generation |
| FI20217163A1 (en) * | 2021-10-29 | 2023-04-30 | Nocosys Oy | Heat pump arrangement |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT398811B (en) * | 1987-02-05 | 1995-02-27 | Hoerbiger Ventilwerke Ag | COMPRESSOR UNIT WITH A SCREW COMPRESSOR |
| US5467613A (en) * | 1994-04-05 | 1995-11-21 | Carrier Corporation | Two phase flow turbine |
| JPH09119378A (en) * | 1995-10-25 | 1997-05-06 | Ishikawajima Harima Heavy Ind Co Ltd | Turbo compressor |
| AU2002307461A1 (en) * | 2001-04-23 | 2002-11-05 | Elliott Turbomachinery Co., Inc. | Multi-stage centrifugal compressor |
| US6742350B2 (en) * | 2001-11-03 | 2004-06-01 | Nippon Soken, Inc. | Hybrid compressor device |
| CA2373905A1 (en) * | 2002-02-28 | 2003-08-28 | Ronald David Conry | Twin centrifugal compressor |
| US7178352B2 (en) * | 2004-04-08 | 2007-02-20 | Carrier Corporation | Compressor |
-
2007
- 2007-05-07 US US12/598,637 patent/US20100139298A1/en not_active Abandoned
- 2007-05-07 WO PCT/US2007/011003 patent/WO2008136796A1/en active Application Filing
- 2007-05-07 CN CN200780052864A patent/CN101688528A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536733A (en) * | 2012-03-12 | 2012-07-04 | 贵州赤天化股份有限公司 | Steam-driven structure of large-sized natural gas fertilizer device |
| CN104819607A (en) * | 2015-05-12 | 2015-08-05 | 广东美的暖通设备有限公司 | Refrigerating system, refrigerant control method and device and air conditioner |
| CN104819607B (en) * | 2015-05-12 | 2017-04-12 | 广东美的暖通设备有限公司 | Refrigerating system, refrigerant control method and device and air conditioner |
| CN107905974A (en) * | 2017-12-18 | 2018-04-13 | 珠海格力电器股份有限公司 | Power device and air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100139298A1 (en) | 2010-06-10 |
| WO2008136796A1 (en) | 2008-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101688528A (en) | Motor-compressor drive apparatus | |
| CN105051370B (en) | Compressor cooling system | |
| CN101426677B (en) | Compressor assembly | |
| CN101713595B (en) | System and apparatus comprising a combined condenser and evaporator | |
| CN105008824B (en) | System including high side compressors and low-pressure side compressor | |
| CN102084196B (en) | Start-up control for refrigeration system | |
| JP5642781B2 (en) | Maintenance unit for cooling unit | |
| CN105723093B (en) | Rotary compressor with steam injected system | |
| CN101568771A (en) | Refrigerant system with intercooler utilized for reheat function | |
| WO2019229706A1 (en) | Air conditioner for a vehicle | |
| EP1818629A2 (en) | Compressor cooling system | |
| CN101896779A (en) | Method and system for rotor cooling | |
| CN101514830B (en) | Low refrigerant charge secondary loop air conditioning system | |
| CN103851830A (en) | Oil balancing device and refrigerating equipment | |
| CN105485983A (en) | Compressor and heat exchange system | |
| CN101251321A (en) | Internal heat exchanger for automotive air conditioner | |
| CN111750609A (en) | Two-phase oil cooling system | |
| CN114286919B (en) | Common unit for refrigerant gas treatment systems | |
| CN105020152B (en) | Compressor with oil mist separation system | |
| CN103527480A (en) | Pistion and scroll compressor assembly | |
| CN114303033B (en) | Common unit for refrigerant gas treatment systems | |
| JP3229109B2 (en) | Refrigeration air conditioner | |
| CN105143790A (en) | Method and device for cooling an engine | |
| CN2578137Y (en) | Double actuated air conditioner of vehicle | |
| CN203020014U (en) | Installing structure of automobile refrigerating system, automobile refrigerating system and automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1142108 Country of ref document: HK |
|
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100331 |
|
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1142108 Country of ref document: HK |