ES401991A1 - Balanced pressure fuel valve - Google Patents

Balanced pressure fuel valve

Info

Publication number
ES401991A1
ES401991A1 ES401991A ES401991A ES401991A1 ES 401991 A1 ES401991 A1 ES 401991A1 ES 401991 A ES401991 A ES 401991A ES 401991 A ES401991 A ES 401991A ES 401991 A1 ES401991 A1 ES 401991A1
Authority
ES
Spain
Prior art keywords
valve
fuel
hydraulic cylinder
hydraulic
fluid
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.)
Expired
Application number
ES401991A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Physics International Co
Original Assignee
Physics International Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Physics International Co filed Critical Physics International Co
Publication of ES401991A1 publication Critical patent/ES401991A1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Fluid-Driven Valves (AREA)

Abstract

A hydraulic fuel valve assembly which equalizes the pressure of fluid at the hydraulic cylinder during the closed-valve condition with the pressure of fuel at the nozzle region, to thereby assure that the hydraulic cylinder is always full and to minimize variations in the force that must be applied by the hydraulic piston when fuel pressure varies. The valve assembly includes a passageway connecting the fuel supply line to the nozzle region of the valve, and a channel leading to the hydraulic cylinder to supply pressurized fuel to it. A check valve is located along the channel to prevent the flow of fluid out of the hydraulic cylinder when it is highly pressurized during valve opening. In a valve wherein a fluid other than fuel is employed in the hydraulic cylinder, a bellows or sealed piston is installed in the channel between the check valve and the fuel line to prevent mixing of the hydraulic fluid and the fuel. The valve assembly includes a valve body that forms the hydraulic cylinder, and a separate valve insert that contains a valve plunger and an insert housing that defines the valve seat and that limits plunger movement away from the seat, to thereby enable testing and adjustment prior to complete valve assembly. nBACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to valves and, more particularly, to hydraulically actuated valves.
ES401991A 1971-04-21 1972-04-21 Balanced pressure fuel valve Expired ES401991A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13609771A 1971-04-21 1971-04-21

Publications (1)

Publication Number Publication Date
ES401991A1 true ES401991A1 (en) 1975-03-01

Family

ID=22471279

Family Applications (1)

Application Number Title Priority Date Filing Date
ES401991A Expired ES401991A1 (en) 1971-04-21 1972-04-21 Balanced pressure fuel valve

Country Status (10)

Country Link
US (1) US3753426A (en)
AU (1) AU460960B2 (en)
BR (1) BR7202380D0 (en)
CA (1) CA961362A (en)
DE (1) DE2219452C3 (en)
ES (1) ES401991A1 (en)
FR (1) FR2136575A5 (en)
GB (1) GB1324668A (en)
IT (1) IT960338B (en)
SE (1) SE374943B (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2190167A5 (en) * 1972-06-23 1974-01-25 Sopromi Soc Proc Modern Inject
FR2243344B1 (en) * 1973-09-11 1976-06-18 Peugeot & Renault
US4168689A (en) * 1977-06-08 1979-09-25 Caterpillar Tractor Co. Fuel injector internal passages and filter
US4164326A (en) * 1978-04-06 1979-08-14 General Motors Corporation Electromagnetic fuel injector nozzle assembly
US4300873A (en) * 1979-05-12 1981-11-17 Lucas Industries Limited Fuel injection systems
DE3105686A1 (en) * 1981-02-17 1982-09-02 Robert Bosch Gmbh, 7000 Stuttgart "FUEL INJECTION NOZZLE"
US4432699A (en) * 1982-05-04 1984-02-21 The Abet Group Peristaltic piezoelectric pump with internal load sensor
US4449893A (en) * 1982-05-04 1984-05-22 The Abet Group Apparatus and method for piezoelectric pumping
US4649886A (en) * 1982-11-10 1987-03-17 Nippon Soken, Inc. Fuel injection system for an internal combustion engine
US4519751A (en) * 1982-12-16 1985-05-28 The Abet Group Piezoelectric pump with internal load sensor
DE3440942A1 (en) * 1984-11-09 1986-05-15 Robert Bosch Gmbh, 7000 Stuttgart PIEZOELECTRIC CONTROL BLOCK
JPS61286540A (en) * 1985-06-14 1986-12-17 Nippon Denso Co Ltd Fuel injection controller
AT407428B (en) * 1989-04-12 2001-03-26 Avl Verbrennungskraft Messtech HYDRAULICALLY ACTUATED VALVE WITH CONTROLLED LIFT
AT410124B (en) * 1989-05-24 2003-02-25 Avl Verbrennungskraft Messtech DEVICE FOR CONTROLLING THE STROKE OF A HYDRAULICALLY ACTUABLE VALVE
US5121730A (en) * 1991-10-11 1992-06-16 Caterpillar Inc. Methods of conditioning fluid in an electronically-controlled unit injector for starting
US5181494A (en) * 1991-10-11 1993-01-26 Caterpillar, Inc. Hydraulically-actuated electronically-controlled unit injector having stroke-controlled piston and methods of operation
US5191867A (en) * 1991-10-11 1993-03-09 Caterpillar Inc. Hydraulically-actuated electronically-controlled unit injector fuel system having variable control of actuating fluid pressure
US5176115A (en) * 1991-10-11 1993-01-05 Caterpillar Inc. Methods of operating a hydraulically-actuated electronically-controlled fuel injection system adapted for starting an engine
US5168855A (en) * 1991-10-11 1992-12-08 Caterpillar Inc. Hydraulically-actuated fuel injection system having Helmholtz resonance controlling device
US5271371A (en) * 1991-10-11 1993-12-21 Caterpillar Inc. Actuator and valve assembly for a hydraulically-actuated electronically-controlled injector
US6257499B1 (en) 1994-06-06 2001-07-10 Oded E. Sturman High speed fuel injector
US6161770A (en) * 1994-06-06 2000-12-19 Sturman; Oded E. Hydraulically driven springless fuel injector
US5471959A (en) * 1994-08-31 1995-12-05 Sturman; Oded E. Pump control module
US5593134A (en) * 1995-02-21 1997-01-14 Applied Power Inc. Magnetically assisted piezo-electric valve actuator
US5630440A (en) * 1995-02-21 1997-05-20 Applied Power Inc. Piezo composite sheet actuated valve
US6148778A (en) * 1995-05-17 2000-11-21 Sturman Industries, Inc. Air-fuel module adapted for an internal combustion engine
US5651345A (en) * 1995-06-02 1997-07-29 Caterpillar Inc. Direct operated check HEUI injector
GB2304153B (en) * 1995-06-02 1999-05-05 Caterpillar Inc Direct operated check injector
DE19618698A1 (en) * 1996-05-09 1997-11-13 Bosch Gmbh Robert Fuel injection valve for internal combustion engines
US6085991A (en) * 1998-05-14 2000-07-11 Sturman; Oded E. Intensified fuel injector having a lateral drain passage
JP4038941B2 (en) * 1999-08-02 2008-01-30 株式会社デンソー Piezo injector
US6570474B2 (en) 2000-02-22 2003-05-27 Siemens Automotive Corporation Magnetostrictive electronic valve timing actuator
EP1325227B1 (en) 2000-10-11 2006-07-05 Siemens VDO Automotive Corporation Compensator assembly having a flexible diaphragm for a fuel injector and method
DE60104906T2 (en) * 2000-11-13 2005-01-05 Siemens Vdo Automotive Corporation, Auburn Hills MAGNETOHYDRAULIC BALANCING DEVICE FOR FUEL INJECTION NOZZLE
US6749127B2 (en) 2002-02-11 2004-06-15 Siemens Vdo Automotive Corporation Method of filling fluid in a thermal compensator
US8287256B2 (en) * 2007-11-01 2012-10-16 Caterpillar Inc. Valve assembly
US7721716B1 (en) * 2008-07-16 2010-05-25 Harwood Michael R High pressure piezoelectric fuel injector
US8500036B2 (en) 2010-05-07 2013-08-06 Caterpillar Inc. Hydraulically amplified mechanical coupling
US9284930B2 (en) 2011-06-03 2016-03-15 Michael R. Harwood High pressure piezoelectric fuel injector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501099A (en) * 1967-09-27 1970-03-17 Physics Int Co Electromechanical actuator having an active element of electroexpansive material

Also Published As

Publication number Publication date
DE2219452C3 (en) 1975-03-20
IT960338B (en) 1973-11-20
AU4103072A (en) 1973-10-18
CA961362A (en) 1975-01-21
US3753426A (en) 1973-08-21
GB1324668A (en) 1973-07-25
FR2136575A5 (en) 1972-12-22
BR7202380D0 (en) 1973-05-24
SE374943B (en) 1975-03-24
DE2219452A1 (en) 1972-11-09
AU460960B2 (en) 1975-04-21
DE2219452B2 (en) 1974-08-01

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