DE3929134C2 - - Google Patents

Info

Publication number
DE3929134C2
DE3929134C2 DE3929134A DE3929134A DE3929134C2 DE 3929134 C2 DE3929134 C2 DE 3929134C2 DE 3929134 A DE3929134 A DE 3929134A DE 3929134 A DE3929134 A DE 3929134A DE 3929134 C2 DE3929134 C2 DE 3929134C2
Authority
DE
Germany
Prior art keywords
valve
fuel
bore
chamber
passage
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 - Lifetime
Application number
DE3929134A
Other languages
German (de)
English (en)
Other versions
DE3929134A1 (de
Inventor
Masanori Ohnishi
Toshiaki Kasahara
Kouichi Saga
Xin-He Higashimatsuyama Saitama Jp Li
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.)
Bosch Corp
Original Assignee
Diesel Kiki Co Ltd
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
Priority claimed from JP1988114008U external-priority patent/JPH0237263U/ja
Priority claimed from JP63275248A external-priority patent/JPH02123277A/ja
Application filed by Diesel Kiki Co Ltd filed Critical Diesel Kiki Co Ltd
Publication of DE3929134A1 publication Critical patent/DE3929134A1/de
Application granted granted Critical
Publication of DE3929134C2 publication Critical patent/DE3929134C2/de
Granted 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
    • 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
    • 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
    • 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
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • F02M59/368—Pump inlet valves being closed when actuated
    • 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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
DE3929134A 1988-09-01 1989-09-01 Kombinierte kraftstoffpumpe Granted DE3929134A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1988114008U JPH0237263U (en:Method) 1988-09-01 1988-09-01
JP63275248A JPH02123277A (ja) 1988-10-31 1988-10-31 ユニット型燃料噴射装置

Publications (2)

Publication Number Publication Date
DE3929134A1 DE3929134A1 (de) 1990-03-15
DE3929134C2 true DE3929134C2 (en:Method) 1991-09-05

Family

ID=26452873

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3929134A Granted DE3929134A1 (de) 1988-09-01 1989-09-01 Kombinierte kraftstoffpumpe

Country Status (3)

Country Link
US (1) US4951874A (en:Method)
KR (1) KR930001789B1 (en:Method)
DE (1) DE3929134A1 (en:Method)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4237726A1 (en) * 1992-11-09 1993-03-25 Hermann Dr Ing Golle Pump nozzle for IC engine fuel injection - involves direct cleaning of pump and nozzle and hydraulic control component operated by electromagnetic unit
DE19716041C2 (de) * 1997-04-17 1999-11-04 Daimler Chrysler Ag Elektromagnetisch betätigbares Ventil
DE4221921B4 (de) * 1991-09-21 2005-12-22 Robert Bosch Gmbh Kraftstoffeinspritzpumpe für Brennkraftmaschinen

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3841462C2 (de) * 1988-12-09 1996-05-30 Kloeckner Humboldt Deutz Ag Brennstoffeinspritzvorrichtung
DE3943419A1 (de) * 1989-12-30 1991-07-04 Bosch Gmbh Robert Kraftstoffeinspritzpumpe fuer brennkraftmaschinen, insbesondere pumpeduese
GB2266933A (en) * 1992-05-12 1993-11-17 Lucas Ind Plc Fuel pump
US5385301A (en) * 1992-10-28 1995-01-31 Zexel Corporation Fuel injector with spill off for terminating injection
DE4243665C2 (de) * 1992-12-23 2003-11-13 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung, insbesondere Pumpedüse für Brennkraftmaschinen
US5328094A (en) * 1993-02-11 1994-07-12 General Motors Corporation Fuel injector and check valve
DE4341546A1 (de) * 1993-12-07 1995-06-08 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
JP3567485B2 (ja) * 1994-05-13 2004-09-22 株式会社デンソー 燃料噴射ポンプ
US5899383A (en) * 1994-05-18 1999-05-04 Cummins Engine Company, Inc. Ceramic fuel injector timing plunger
US5687693A (en) * 1994-07-29 1997-11-18 Caterpillar Inc. Hydraulically-actuated fuel injector with direct control needle valve
US5826562A (en) * 1994-07-29 1998-10-27 Caterpillar Inc. Piston and barrell assembly with stepped top and hydraulically-actuated fuel injector utilizing same
US5697342A (en) * 1994-07-29 1997-12-16 Caterpillar Inc. Hydraulically-actuated fuel injector with direct control needle valve
US6082332A (en) * 1994-07-29 2000-07-04 Caterpillar Inc. Hydraulically-actuated fuel injector with direct control needle valve
US6575137B2 (en) 1994-07-29 2003-06-10 Caterpillar Inc Piston and barrel assembly with stepped top and hydraulically-actuated fuel injector utilizing same
US5862995A (en) * 1996-04-01 1999-01-26 Diesel Technology Company High pressure fluid passage sealing for internal combustion engine fuel injectors and method of making same
US5937520A (en) * 1996-12-10 1999-08-17 Diesel Technology Company Method of assembling fuel injector pump components
DE19701558A1 (de) * 1997-01-17 1998-05-20 Daimler Benz Ag Steuerung der Kraftstoffeinspritzung für eine Brennkraftmaschine
US6250284B1 (en) 1997-03-26 2001-06-26 Justin Lamp Engine with fuel delivery system
US5875747A (en) * 1997-03-26 1999-03-02 Lamp; Justin Internal combustion engine
US5870996A (en) * 1998-04-10 1999-02-16 Alfred J. Buescher High-pressure dual-feed-rate injector pump with auxiliary spill port
US6009850A (en) * 1998-04-10 2000-01-04 Alfred J. Buescher High-pressure dual-feed-rate injector pump with grooved port-closing edge
WO2000034646A1 (en) 1998-12-11 2000-06-15 Caterpillar Inc. Piston and barrel assembly with stepped top and hydraulically-actuated fuel injector utilizing same
GB0215490D0 (en) * 2002-07-04 2002-08-14 Delphi Tech Inc Control valve arrangement
US7513116B2 (en) * 2004-11-09 2009-04-07 Woodward Fst, Inc. Gas turbine engine fuel injector having a fuel swirler
US7895751B2 (en) * 2008-01-15 2011-03-01 Delphi Technologies, Inc. Variable shim for setting stroke on fuel injectors
US11035491B2 (en) * 2017-07-03 2021-06-15 Continental Automotive Systems, Inc. Fuel pump solenoid having hydraulic damping

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408718A (en) * 1981-09-25 1983-10-11 General Motors Corporation Electromagnetic unit fuel injector
US4392612A (en) * 1982-02-19 1983-07-12 General Motors Corporation Electromagnetic unit fuel injector
US4470545A (en) * 1982-02-19 1984-09-11 General Motors Corporation Electromagnetic unit fuel injector
US4485969A (en) * 1982-02-19 1984-12-04 General Motors Corporation Electromagnetic unit fuel injector with cartridge type solenoid actuated valve
US4418867A (en) * 1982-04-02 1983-12-06 The Bendix Corporation Electrically controlled unit injector
US4463900A (en) * 1983-01-12 1984-08-07 General Motors Corporation Electromagnetic unit fuel injector
US4494696A (en) * 1983-06-24 1985-01-22 The Bendix Corporation Unit injector
US4527737A (en) * 1983-09-09 1985-07-09 General Motors Corporation Electromagnetic unit fuel injector with differential valve
US4572433A (en) * 1984-08-20 1986-02-25 General Motors Corporation Electromagnetic unit fuel injector
US4674461A (en) * 1984-10-02 1987-06-23 Diesel Kiki Co., Ltd. Unit injector for internal combustion engines
US4618095A (en) * 1985-07-02 1986-10-21 General Motors Corporation Electromagnetic unit fuel injector with port assist spilldown
JPS6373570A (ja) * 1986-09-16 1988-04-04 Nec Corp 半導体受光素子

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4221921B4 (de) * 1991-09-21 2005-12-22 Robert Bosch Gmbh Kraftstoffeinspritzpumpe für Brennkraftmaschinen
DE4237726A1 (en) * 1992-11-09 1993-03-25 Hermann Dr Ing Golle Pump nozzle for IC engine fuel injection - involves direct cleaning of pump and nozzle and hydraulic control component operated by electromagnetic unit
DE19716041C2 (de) * 1997-04-17 1999-11-04 Daimler Chrysler Ag Elektromagnetisch betätigbares Ventil

Also Published As

Publication number Publication date
US4951874A (en) 1990-08-28
KR900006663A (ko) 1990-05-08
KR930001789B1 (ko) 1993-03-13
DE3929134A1 (de) 1990-03-15

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee