EP1316717A3 - Dispositif d'injection de carburant pour un moteur à combustion interne - Google Patents

Dispositif d'injection de carburant pour un moteur à combustion interne Download PDF

Info

Publication number
EP1316717A3
EP1316717A3 EP02022359A EP02022359A EP1316717A3 EP 1316717 A3 EP1316717 A3 EP 1316717A3 EP 02022359 A EP02022359 A EP 02022359A EP 02022359 A EP02022359 A EP 02022359A EP 1316717 A3 EP1316717 A3 EP 1316717A3
Authority
EP
European Patent Office
Prior art keywords
chamber
pressure
pump
fuel injection
pressure chamber
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.)
Granted
Application number
EP02022359A
Other languages
German (de)
English (en)
Other versions
EP1316717B1 (fr
EP1316717A2 (fr
Inventor
Walter Egler
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1316717A2 publication Critical patent/EP1316717A2/fr
Publication of EP1316717A3 publication Critical patent/EP1316717A3/fr
Application granted granted Critical
Publication of EP1316717B1 publication Critical patent/EP1316717B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
    • 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
    • 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
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
EP02022359A 2001-11-30 2002-10-08 Dispositif d'injection de carburant pour un moteur à combustion interne Expired - Lifetime EP1316717B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10158659 2001-11-30
DE10158659A DE10158659A1 (de) 2001-11-30 2001-11-30 Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP1316717A2 EP1316717A2 (fr) 2003-06-04
EP1316717A3 true EP1316717A3 (fr) 2003-11-26
EP1316717B1 EP1316717B1 (fr) 2005-08-24

Family

ID=7707433

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02022359A Expired - Lifetime EP1316717B1 (fr) 2001-11-30 2002-10-08 Dispositif d'injection de carburant pour un moteur à combustion interne

Country Status (4)

Country Link
US (1) US6808124B2 (fr)
EP (1) EP1316717B1 (fr)
JP (1) JP2003172229A (fr)
DE (2) DE10158659A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10205750A1 (de) * 2002-02-12 2003-08-21 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10213025B4 (de) * 2002-03-22 2014-02-27 Daimler Ag Selbstzündende Brennkraftmaschine
US7191762B2 (en) * 2002-03-26 2007-03-20 Volvo Lastvagnar Ab Fuel injection system
EP1359316B1 (fr) * 2002-05-03 2007-04-18 Delphi Technologies, Inc. Système d'injection de carburant
WO2004072470A1 (fr) * 2003-02-12 2004-08-26 Robert Bosch Gmbh Systeme de pompe d'injection de carburant comportant un mecanisme de post-injection haute pression
US7455243B2 (en) * 2004-03-03 2008-11-25 Caterpillar Inc. Electronic unit injector with pressure assisted needle control
FR2871197B1 (fr) * 2004-06-04 2006-07-28 Renault V I Sa Injecteur pompe
DE102004028195A1 (de) * 2004-06-09 2005-12-29 Volkswagen Mechatronic Gmbh & Co. Kg Einspritzventil mit Schließdruckbeaufschlagung der Ventilnadel
US20060196974A1 (en) * 2005-03-01 2006-09-07 Caterpillar Inc. Fuel injector having a gradually restricted drain passageway
DE102005014180A1 (de) * 2005-03-29 2006-10-05 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
GB2560513A (en) * 2017-03-13 2018-09-19 Ap Moeller Maersk As Fuel injection system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118236A1 (de) * 1990-06-06 1991-12-12 Avl Verbrennungskraft Messtech Einspritzsystem fuer brennkraftmaschinen
EP0840003A1 (fr) * 1996-10-26 1998-05-06 Lucas Industries Public Limited Company Dispositif d'injection de combustible
WO2001014724A1 (fr) * 1999-08-20 2001-03-01 Robert Bosch Gmbh Dispositif d'injection de carburant

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443047A (en) * 1993-04-09 1995-08-22 Zexel Corporation Fuel injection system
JP2885076B2 (ja) * 1994-07-08 1999-04-19 三菱自動車工業株式会社 蓄圧式燃料噴射装置
US5826561A (en) * 1996-12-10 1998-10-27 Caterpillar Inc. Method and apparatus for injecting fuel using control fluid to control the injection's pressure and time
GB9810327D0 (en) 1998-05-15 1998-07-15 Lucas Ind Plc Fuel system and pump suitable for use therein

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118236A1 (de) * 1990-06-06 1991-12-12 Avl Verbrennungskraft Messtech Einspritzsystem fuer brennkraftmaschinen
EP0840003A1 (fr) * 1996-10-26 1998-05-06 Lucas Industries Public Limited Company Dispositif d'injection de combustible
WO2001014724A1 (fr) * 1999-08-20 2001-03-01 Robert Bosch Gmbh Dispositif d'injection de carburant

Also Published As

Publication number Publication date
EP1316717B1 (fr) 2005-08-24
JP2003172229A (ja) 2003-06-20
US6808124B2 (en) 2004-10-26
DE50204013D1 (de) 2005-09-29
EP1316717A2 (fr) 2003-06-04
US20030101968A1 (en) 2003-06-05
DE10158659A1 (de) 2003-06-12

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