DE69013283D1 - Hochdruck-Kraftstoffeinspritzeinheit mit Steuerung des Druckes der Kammer für den Spritzzeitpunkt. - Google Patents

Hochdruck-Kraftstoffeinspritzeinheit mit Steuerung des Druckes der Kammer für den Spritzzeitpunkt.

Info

Publication number
DE69013283D1
DE69013283D1 DE69013283T DE69013283T DE69013283D1 DE 69013283 D1 DE69013283 D1 DE 69013283D1 DE 69013283 T DE69013283 T DE 69013283T DE 69013283 T DE69013283 T DE 69013283T DE 69013283 D1 DE69013283 D1 DE 69013283D1
Authority
DE
Germany
Prior art keywords
chamber
control
high pressure
fuel injection
pressure
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 - Fee Related
Application number
DE69013283T
Other languages
English (en)
Other versions
DE69013283T2 (de
Inventor
Timothy A Warlick
Jeffrey L Campbell
Lester L Peters
Michael E Lucas
Julius P Perr
Kuang-Wen Thomas Wan
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.)
Cummins Inc
Original Assignee
Cummins Engine Co Inc
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 Cummins Engine Co Inc filed Critical Cummins Engine Co Inc
Publication of DE69013283D1 publication Critical patent/DE69013283D1/de
Application granted granted Critical
Publication of DE69013283T2 publication Critical patent/DE69013283T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/021—Injectors structurally combined with fuel-injection pumps the injector being of valveless type, e.g. the pump piston co-operating with a conical seat of an injection nozzle at the end of the pumping stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
    • F02M57/024—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical with hydraulic link for varying the piston stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/30—Varying fuel delivery in quantity or timing with variable-length-stroke pistons
DE69013283T 1989-09-05 1990-08-30 Hochdruck-Kraftstoffeinspritzeinheit mit Steuerung des Druckes der Kammer für den Spritzzeitpunkt. Expired - Fee Related DE69013283T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/402,893 US4986472A (en) 1989-09-05 1989-09-05 High pressure unit fuel injector with timing chamber pressure control

Publications (2)

Publication Number Publication Date
DE69013283D1 true DE69013283D1 (de) 1994-11-17
DE69013283T2 DE69013283T2 (de) 1995-02-16

Family

ID=23593716

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69013283T Expired - Fee Related DE69013283T2 (de) 1989-09-05 1990-08-30 Hochdruck-Kraftstoffeinspritzeinheit mit Steuerung des Druckes der Kammer für den Spritzzeitpunkt.

Country Status (4)

Country Link
US (1) US4986472A (de)
EP (1) EP0416460B1 (de)
JP (1) JP2524657B2 (de)
DE (1) DE69013283T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5076240A (en) * 1990-06-07 1991-12-31 Cummins Engine Company, Inc. Articulated open nozzle high pressure unit fuel injector
US5209403A (en) * 1991-07-12 1993-05-11 Cummins Engine Company, Inc. High pressure unit fuel injector with timing chamber pressure control
US5301876A (en) * 1991-07-12 1994-04-12 Cummins Engine Company, Inc. Unit injector with interchangeable subassembly for converting from open nozzle to closed nozzle operation
DE69209405T2 (de) * 1991-08-30 1996-09-05 Nippon Denso Co Brennstoffeinspritzvorrichtung für Brennkraftmaschine
US5323964A (en) * 1992-03-31 1994-06-28 Cummins Engine Company, Inc. High pressure unit fuel injector having variable effective spill area
US5275337A (en) * 1992-06-15 1994-01-04 Cummins Engine Company, Inc. High pressure limiting valve with fast response and fuel injector equipped therewith
US5299738A (en) * 1992-09-16 1994-04-05 Cummins Engine Company, Inc. High pressure fuel injector with cushioned plunger stop
US5277162A (en) * 1993-01-22 1994-01-11 Cummins Engine Company, Inc. Infinitely variable hydromechanical timing control
US5423301A (en) * 1994-02-17 1995-06-13 Cummins Engine Company, Inc. Timing control valve for hydromechanical fuel system
US5487508A (en) * 1994-03-31 1996-01-30 Caterpillar Inc. Injection rate shaping control ported check stop for a fuel injection nozzle
JPH0861181A (ja) * 1994-08-25 1996-03-05 Mitsubishi Electric Corp 燃料噴射装置
DE19528807C2 (de) * 1995-08-05 2000-06-08 Dahlmann Gerd Uwe Kraftstoff-Einspritzventil mit integrierter Pumpe
US5713335A (en) * 1995-09-12 1998-02-03 Cummins Engine Company, Inc. Variable injection timing and injection pressure control arrangement
US5666913A (en) * 1996-05-29 1997-09-16 Cummins Engine Company, Inc. Variable timing cam follower lever assembly
JPH10122090A (ja) 1996-10-14 1998-05-12 Komatsu Ltd ディーゼルエンジンの燃料噴射装置
US5778841A (en) 1997-02-26 1998-07-14 Cummins Engine Company, Inc. Camshaft for internal combustion engines
US5894991A (en) * 1997-08-22 1999-04-20 Cummins Engine Company, Inc. Unit injector with hard stop timing plunger
DE10006111A1 (de) * 2000-02-11 2001-08-30 Bosch Gmbh Robert Kraftstoffeinspritzventil
DE10134529C2 (de) * 2001-07-16 2003-07-03 Bosch Gmbh Robert Injektor mit hintereinandergeschalteten, nach innen öffnenden Ventilen
US7021558B2 (en) * 2003-04-25 2006-04-04 Cummins Inc. Fuel injector having a cooled lower nozzle body
US7124628B2 (en) * 2004-03-30 2006-10-24 International Engine Intellectual Property Company Llc Injection pressure regulator test system
US9856841B2 (en) * 2014-05-30 2018-01-02 Avl Powertrain Engineering, Inc. Fuel injector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249499A (en) * 1980-01-21 1981-02-10 Cummins Engine Company, Inc. Timing mechanism for a fuel supply system
US4441654A (en) * 1981-12-31 1984-04-10 Cummins Engine Company, Inc. Fuel injector assembly including a blow-back prevention cam
US4471909A (en) * 1981-12-18 1984-09-18 Cummins Engine Company, Inc. Miniaturized unit fuel injector
US4410138A (en) * 1981-12-31 1983-10-18 Cummins Engine Company, Inc. Unit injector cooled by timing control fluid
US4410137A (en) * 1981-12-31 1983-10-18 Cummins Engine Company, Inc. Miniaturized unit fuel injector employing hydraulically controlled timing
US4402456A (en) * 1982-04-02 1983-09-06 The Bendix Corporation Double dump single solenoid unit injector
DE3521427A1 (de) * 1985-06-14 1986-12-18 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzvorrichtung
US4721247A (en) * 1986-09-19 1988-01-26 Cummins Engine Company, Inc. High pressure unit fuel injector

Also Published As

Publication number Publication date
US4986472A (en) 1991-01-22
EP0416460B1 (de) 1994-10-12
JPH03206351A (ja) 1991-09-09
EP0416460A3 (en) 1991-09-25
JP2524657B2 (ja) 1996-08-14
DE69013283T2 (de) 1995-02-16
EP0416460A2 (de) 1991-03-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee