EP1316718A3 - Fuel injection system for internal combustion engine - Google Patents

Fuel injection system for internal combustion engine Download PDF

Info

Publication number
EP1316718A3
EP1316718A3 EP02022361A EP02022361A EP1316718A3 EP 1316718 A3 EP1316718 A3 EP 1316718A3 EP 02022361 A EP02022361 A EP 02022361A EP 02022361 A EP02022361 A EP 02022361A EP 1316718 A3 EP1316718 A3 EP 1316718A3
Authority
EP
European Patent Office
Prior art keywords
combustion engine
internal combustion
fuel injection
injection system
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.)
Withdrawn
Application number
EP02022361A
Other languages
German (de)
French (fr)
Other versions
EP1316718A2 (en
Inventor
Peter Boehland
Godehard Nentwig
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 EP1316718A2 publication Critical patent/EP1316718A2/en
Publication of EP1316718A3 publication Critical patent/EP1316718A3/en
Withdrawn legal-status Critical Current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)
EP02022361A 2001-11-30 2002-10-08 Fuel injection system for internal combustion engine Withdrawn EP1316718A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10158660 2001-11-30
DE10158660A DE10158660A1 (en) 2001-11-30 2001-11-30 Fuel injection device for an internal combustion engine

Publications (2)

Publication Number Publication Date
EP1316718A2 EP1316718A2 (en) 2003-06-04
EP1316718A3 true EP1316718A3 (en) 2004-04-28

Family

ID=7707434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02022361A Withdrawn EP1316718A3 (en) 2001-11-30 2002-10-08 Fuel injection system for internal combustion engine

Country Status (4)

Country Link
US (1) US6796290B2 (en)
EP (1) EP1316718A3 (en)
JP (1) JP2003172228A (en)
DE (1) DE10158660A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10146745A1 (en) * 2001-09-22 2003-04-10 Bosch Gmbh Robert Fuel injection device for an internal combustion engine
DE10146739A1 (en) * 2001-09-22 2003-04-10 Bosch Gmbh Robert Fuel injection device for an internal combustion engine
DE10213025B4 (en) * 2002-03-22 2014-02-27 Daimler Ag Auto-ignition internal combustion engine
US7191762B2 (en) * 2002-03-26 2007-03-20 Volvo Lastvagnar Ab Fuel injection system
EP1359316B1 (en) * 2002-05-03 2007-04-18 Delphi Technologies, Inc. Fuel injection system
WO2004072470A1 (en) * 2003-02-12 2004-08-26 Robert Bosch Gmbh Fuel injector pump system with high pressure post injection
EP1921307B1 (en) 2006-11-08 2012-08-15 Delphi Technologies Holding S.à.r.l. Fuel injection system
JP5070913B2 (en) * 2007-04-11 2012-11-14 住友金属工業株式会社 Fuel shutoff device and fuel shutoff method for combustion equipment
US7707993B2 (en) * 2008-06-24 2010-05-04 Caterpillar Inc. Electronic pressure relief in a mechanically actuated fuel injector
DE102012012420A1 (en) * 2012-06-25 2014-01-02 L'orange Gmbh Injector and fuel injection device with such
US9500170B2 (en) 2012-10-25 2016-11-22 Picospray, Llc Fuel injection system
JP6156397B2 (en) * 2015-01-14 2017-07-05 トヨタ自動車株式会社 Internal combustion engine
US10197025B2 (en) 2016-05-12 2019-02-05 Briggs & Stratton Corporation Fuel delivery injector
US10947940B2 (en) 2017-03-28 2021-03-16 Briggs & Stratton, Llc Fuel delivery system
GB2567011B (en) * 2017-10-02 2021-01-20 Caterpillar Motoren Gmbh & Co Fuel injection system for engine system
US11668270B2 (en) 2018-10-12 2023-06-06 Briggs & Stratton, Llc Electronic fuel injection module

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236882C1 (en) * 1992-10-31 1994-04-21 Daimler Benz Ag IC engine fuel injection system with high pump pressure - uses electromagnetically operated three=way valve in fuel path to each fuel injection jet.
EP0740067A2 (en) * 1995-04-27 1996-10-30 Isuzu Motors Limited Accumulator-type fuel injection system
EP0767303A1 (en) * 1995-10-02 1997-04-09 Hino Motors, Inc. Diesel engine
US5771865A (en) * 1996-02-07 1998-06-30 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Fuel injection system of an engine and a control method therefor
EP0992675A2 (en) * 1998-10-09 2000-04-12 Lucas Industries Limited Fuel system
US6189509B1 (en) * 1997-07-16 2001-02-20 Cummins Wartsila S.A. Device for injecting fuel into a diesel engine
EP1077320A2 (en) * 1999-08-19 2001-02-21 Nissan Motor Co., Ltd. Control for diesel engine
EP1260700A1 (en) * 2001-05-17 2002-11-27 Robert Bosch Gmbh Fuel injection system for internal combustion engine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9810327D0 (en) 1998-05-15 1998-07-15 Lucas Ind Plc Fuel system and pump suitable for use therein
US6439202B1 (en) * 2001-11-08 2002-08-27 Cummins Inc. Hybrid electronically controlled unit injector fuel system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236882C1 (en) * 1992-10-31 1994-04-21 Daimler Benz Ag IC engine fuel injection system with high pump pressure - uses electromagnetically operated three=way valve in fuel path to each fuel injection jet.
EP0740067A2 (en) * 1995-04-27 1996-10-30 Isuzu Motors Limited Accumulator-type fuel injection system
EP0909892A2 (en) * 1995-04-27 1999-04-21 Isuzu Motors Limited Accumulator-type fuel injection system
EP0767303A1 (en) * 1995-10-02 1997-04-09 Hino Motors, Inc. Diesel engine
EP0967380A2 (en) * 1995-10-02 1999-12-29 Hino Motors, Ltd. Diesel Engine
US5771865A (en) * 1996-02-07 1998-06-30 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Fuel injection system of an engine and a control method therefor
US6189509B1 (en) * 1997-07-16 2001-02-20 Cummins Wartsila S.A. Device for injecting fuel into a diesel engine
EP0992675A2 (en) * 1998-10-09 2000-04-12 Lucas Industries Limited Fuel system
EP1077320A2 (en) * 1999-08-19 2001-02-21 Nissan Motor Co., Ltd. Control for diesel engine
EP1260700A1 (en) * 2001-05-17 2002-11-27 Robert Bosch Gmbh Fuel injection system for internal combustion engine

Also Published As

Publication number Publication date
EP1316718A2 (en) 2003-06-04
US6796290B2 (en) 2004-09-28
US20030131825A1 (en) 2003-07-17
DE10158660A1 (en) 2003-06-12
JP2003172228A (en) 2003-06-20

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