DE69414745T2 - Krafstoffeinspritzvorrichtung - Google Patents

Krafstoffeinspritzvorrichtung

Info

Publication number
DE69414745T2
DE69414745T2 DE69414745T DE69414745T DE69414745T2 DE 69414745 T2 DE69414745 T2 DE 69414745T2 DE 69414745 T DE69414745 T DE 69414745T DE 69414745 T DE69414745 T DE 69414745T DE 69414745 T2 DE69414745 T2 DE 69414745T2
Authority
DE
Germany
Prior art keywords
fuel injector
injector
fuel
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
DE69414745T
Other languages
English (en)
Other versions
DE69414745D1 (de
Inventor
Hiroshi Ishiwata
Takashi Ohishi
Atsushi Ueda
Naotake Ohi
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
Zexel Corp
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 JP10770593A external-priority patent/JPH06294361A/ja
Priority claimed from JP5202951A external-priority patent/JPH0734999A/ja
Application filed by Zexel Corp filed Critical Zexel Corp
Application granted granted Critical
Publication of DE69414745D1 publication Critical patent/DE69414745D1/de
Publication of DE69414745T2 publication Critical patent/DE69414745T2/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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/06—Pumps peculiar thereto
    • F02M45/066—Having specially arranged spill port and spill contour on the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/403—Multiple injections with pilot injections
    • 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
    • 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
    • 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
    • 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
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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)
DE69414745T 1993-04-09 1994-04-08 Krafstoffeinspritzvorrichtung Expired - Fee Related DE69414745T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10770593A JPH06294361A (ja) 1993-04-09 1993-04-09 燃料噴射装置
JP5202951A JPH0734999A (ja) 1993-07-23 1993-07-23 ユニットインジェクタ

Publications (2)

Publication Number Publication Date
DE69414745D1 DE69414745D1 (de) 1999-01-07
DE69414745T2 true DE69414745T2 (de) 1999-07-29

Family

ID=26447722

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69414745T Expired - Fee Related DE69414745T2 (de) 1993-04-09 1994-04-08 Krafstoffeinspritzvorrichtung

Country Status (3)

Country Link
US (1) US5443047A (de)
EP (2) EP0805270A3 (de)
DE (1) DE69414745T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105793552A (zh) * 2013-11-28 2016-07-20 罗伯特·博世有限公司 电磁阀

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9502671D0 (en) * 1995-02-11 1995-03-29 Lucas Ind Plc Fuel system
SE507374C3 (sv) * 1996-09-10 1998-06-29 Volvo Lastvagnar Ab Saett och anordning foer reglering av insprutningstrycket av flytande braensle
US6012429A (en) * 1996-10-25 2000-01-11 Beatty; David J. Hydraulically-actuated fuel injector with idle stability port
JP3890654B2 (ja) * 1997-03-18 2007-03-07 株式会社デンソー 燃料噴射制御方法及び燃料噴射制御装置
DE19717493A1 (de) * 1997-04-25 1998-10-29 Bosch Gmbh Robert Kraftstoffeinspritzsystem
US6688536B2 (en) 1997-10-22 2004-02-10 Caterpillar Inc Free floating plunger and fuel injector using same
DE19919430C1 (de) * 1999-04-29 2000-10-19 Bosch Gmbh Robert Einspritzpumpe
US6247450B1 (en) * 1999-12-27 2001-06-19 Detroit Diesel Corporation Electronic controlled diesel fuel injection system
US6196199B1 (en) * 1999-12-28 2001-03-06 Detroit Diesel Corporation Fuel injector assembly having an improved solenoid operated check valve
JP3867468B2 (ja) * 2000-03-14 2007-01-10 いすゞ自動車株式会社 コモンレール式燃料噴射装置
US6405709B1 (en) * 2000-04-11 2002-06-18 Cummins Inc. Cyclic pressurization including plural pressurization units interconnected for energy storage and recovery
US6520150B1 (en) * 2000-08-23 2003-02-18 Detroit Diesel Corporation Fuel injector assembly and internal combustion engine including same
DE10064505A1 (de) * 2000-12-22 2002-07-04 Bosch Gmbh Robert Verfahren und Vorrichtung zur Überwachung eines Abstands zwischen zwei Einspritzvorgängen
DE10158659A1 (de) * 2001-11-30 2003-06-12 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
JP4515729B2 (ja) * 2003-01-30 2010-08-04 株式会社デンソー 燃料噴射装置
JP4119864B2 (ja) * 2004-03-31 2008-07-16 三菱重工業株式会社 内燃機関の燃料噴射装置
JP4227965B2 (ja) 2005-02-28 2009-02-18 三菱重工業株式会社 電磁制御燃料噴射装置
JP4719140B2 (ja) * 2006-12-20 2011-07-06 三菱重工業株式会社 電磁弁装置及びこれを備えたエンジンの燃料噴射装置
DE102008043166B4 (de) * 2008-10-24 2019-06-06 Robert Bosch Gmbh Verfahren zur Steuerung eines Einspritzsystems einer Brennkraftmaschine
JP2015145641A (ja) * 2014-02-03 2015-08-13 トヨタ自動車株式会社 内燃機関の燃料噴射制御装置
SE538559C2 (en) 2014-12-03 2016-09-20 Scania Cv Ab A method for carrying out a pilot injection of fuel through a fuel unit injector and a unit injector therefor 13

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430801A (en) * 1942-09-16 1947-11-11 Bendix Aviat Corp Fuel injection apparatus
US4748954A (en) * 1984-07-16 1988-06-07 Nippon Soken, Inc. Electrostrictive actuator device and fuel injection device using same
JPS61272461A (ja) * 1985-05-29 1986-12-02 Toyota Motor Corp 内燃機関の燃料噴射弁
JPS623133A (ja) * 1985-06-28 1987-01-09 Nippon Soken Inc 内燃機関の燃料噴射制御装置
IT1186600B (it) * 1985-07-30 1987-12-04 Mario Brighigna Pompante a doppio stadio per pompa iniezione combustibile con sistema di regolazione meccanico delle portate
JPS635140A (ja) * 1986-06-24 1988-01-11 Diesel Kiki Co Ltd 燃料噴射ポンプの噴射制御方法
JP2521086B2 (ja) * 1987-04-06 1996-07-31 株式会社ゼクセル 燃料噴射ポンプの制御装置
DE3722265A1 (de) * 1987-07-06 1989-01-19 Bosch Gmbh Robert Kraftstoffeinspritzpumpe
JPH01151751A (ja) * 1987-12-04 1989-06-14 Nippon Denso Co Ltd ディーゼル機関用燃料噴射制御装置
US4917068A (en) * 1987-12-29 1990-04-17 Toyoto Jidosh Kabushiki Kaisha Unit injector for an engine
JP2632711B2 (ja) * 1988-09-01 1997-07-23 株式会社ゼクセル 燃料噴射装置
DE69030385T2 (de) * 1990-10-05 1997-07-17 Nippon Denso Co Vorrichtung zur regelung der voreinspritzung
DE4120461C2 (de) * 1991-06-21 2000-09-14 Bosch Gmbh Robert Verfahren und Einrichtung zur Steuerung eines magnetventilgesteuerten Kraftstoffzumeßsystems
GB9201204D0 (en) * 1992-01-21 1992-03-11 Lucas Ind Plc Pump/injector
US5261366A (en) * 1993-03-08 1993-11-16 Chrysler Corporation Method of fuel injection rate control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105793552A (zh) * 2013-11-28 2016-07-20 罗伯特·博世有限公司 电磁阀
CN105793552B (zh) * 2013-11-28 2019-07-09 罗伯特·博世有限公司 电磁阀

Also Published As

Publication number Publication date
EP0805270A2 (de) 1997-11-05
EP0619423B1 (de) 1998-11-25
US5443047A (en) 1995-08-22
DE69414745D1 (de) 1999-01-07
EP0619423A2 (de) 1994-10-12
EP0805270A3 (de) 1998-02-11
EP0619423A3 (de) 1995-04-26

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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