DE59504070D1 - Verfahren zur reduzierung des kraftstoffdruckes in einer kraftstoffeinspritzeinrichtung - Google Patents

Verfahren zur reduzierung des kraftstoffdruckes in einer kraftstoffeinspritzeinrichtung

Info

Publication number
DE59504070D1
DE59504070D1 DE59504070T DE59504070T DE59504070D1 DE 59504070 D1 DE59504070 D1 DE 59504070D1 DE 59504070 T DE59504070 T DE 59504070T DE 59504070 T DE59504070 T DE 59504070T DE 59504070 D1 DE59504070 D1 DE 59504070D1
Authority
DE
Germany
Prior art keywords
injection device
fuel injection
reducing
fuel pressure
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 - Lifetime
Application number
DE59504070T
Other languages
English (en)
Inventor
Eugen Drummer
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
Application granted granted Critical
Publication of DE59504070D1 publication Critical patent/DE59504070D1/de
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
    • 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
    • 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
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
    • F02D41/3872—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves characterised by leakage flow in injectors
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
    • 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
    • F02D41/3809—Common rail control systems
    • F02D41/3827—Common rail control systems for diesel engines
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • 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
    • 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
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/31—Control of the fuel pressure

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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Fuel-Injection Apparatus (AREA)
DE59504070T 1994-12-20 1995-06-01 Verfahren zur reduzierung des kraftstoffdruckes in einer kraftstoffeinspritzeinrichtung Expired - Lifetime DE59504070D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4445586A DE4445586A1 (de) 1994-12-20 1994-12-20 Verfahren zur Reduzierung des Kraftstoffdruckes in einer Kraftstoffeinspritzeinrichtung
PCT/DE1995/000713 WO1996019659A1 (de) 1994-12-20 1995-06-01 Verfahren zur reduzierung des kraftstoffdruckes in einer kraftstoffeinspritzeinrichtung

Publications (1)

Publication Number Publication Date
DE59504070D1 true DE59504070D1 (de) 1998-12-03

Family

ID=6536449

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4445586A Withdrawn DE4445586A1 (de) 1994-12-20 1994-12-20 Verfahren zur Reduzierung des Kraftstoffdruckes in einer Kraftstoffeinspritzeinrichtung
DE59504070T Expired - Lifetime DE59504070D1 (de) 1994-12-20 1995-06-01 Verfahren zur reduzierung des kraftstoffdruckes in einer kraftstoffeinspritzeinrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4445586A Withdrawn DE4445586A1 (de) 1994-12-20 1994-12-20 Verfahren zur Reduzierung des Kraftstoffdruckes in einer Kraftstoffeinspritzeinrichtung

Country Status (6)

Country Link
US (1) US5711274A (de)
EP (1) EP0745184B1 (de)
JP (1) JPH09509716A (de)
KR (1) KR100378722B1 (de)
DE (2) DE4445586A1 (de)
WO (1) WO1996019659A1 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618932C2 (de) * 1996-05-10 2001-02-01 Siemens Ag Vorrichtung und Verfahren zur Regelung des Kraftstoffdruckes in einem Hochdruckspeicher
US5816228A (en) * 1997-02-19 1998-10-06 Avl Powertrain Engineering, Inc. Fuel injection system for clean low viscosity fuels
JP3834918B2 (ja) * 1997-03-04 2006-10-18 いすゞ自動車株式会社 エンジンの燃料噴射方法及びその装置
DE59806913D1 (de) * 1997-03-12 2003-02-20 Forsch Transferzentrum Ev An D Verfahren zur kraftstoffeinspritzung in mehrzylinder-kraftmaschinen und vorrichtung zur durchführung des verfahrens
JP3546285B2 (ja) 1997-08-04 2004-07-21 トヨタ自動車株式会社 蓄圧式エンジンの燃料噴射制御装置
JP3713918B2 (ja) * 1997-08-29 2005-11-09 いすゞ自動車株式会社 エンジンの燃料噴射方法及びその装置
DE19744723A1 (de) * 1997-10-10 1999-04-15 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
US6167869B1 (en) * 1997-11-03 2001-01-02 Caterpillar Inc. Fuel injector utilizing a multiple current level solenoid
GB2332241B (en) * 1997-12-11 2001-12-19 Denso Corp Accumulator fuel injection system for diesel engine of automotive vehicles
US5875764A (en) * 1998-05-13 1999-03-02 Siemens Aktiengesellschaft Apparatus and method for valve control
EP1002948B1 (de) * 1998-11-19 2003-03-05 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Kraftstoffeinspritzvorrichtung der Akkumulatorgattung
DE19954023B4 (de) * 1998-11-30 2009-02-26 Denso Corp., Kariya-shi Hochdruckkraftstoffeinspritzvorrichtung
GB9900070D0 (en) * 1999-01-05 1999-02-24 Lucas Franc Control method
JP3458776B2 (ja) * 1999-01-28 2003-10-20 株式会社デンソー 蓄圧式燃料噴射装置および蓄圧室内圧力制御方法
JP4122615B2 (ja) * 1999-02-24 2008-07-23 トヨタ自動車株式会社 高圧燃料噴射系の燃料圧力制御装置
DE19939420B4 (de) * 1999-08-20 2004-12-09 Robert Bosch Gmbh Kraftstoffeinspritzverfahren und -system für eine Brennkraftmaschine
DE19939418A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE19951132A1 (de) 1999-10-23 2001-05-10 Bosch Gmbh Robert Verfahren zum Ablassen des Kraftstoffdrucks in einem rücklauffreien Kraftstoffversorgungssystem
DE10002109A1 (de) 2000-01-19 2001-08-02 Bosch Gmbh Robert Einspritzsystem
DE10002704A1 (de) * 2000-01-22 2001-08-02 Bosch Gmbh Robert Einspritzeinrichtung und Verfahren zum Einspritzen von Fluid
US6345606B1 (en) * 2000-04-12 2002-02-12 Delphi Technologies, Inc Method for controlling fuel rail pressure using a piezoelectric actuated fuel injector
DE10112163A1 (de) * 2001-03-14 2002-09-19 Bosch Gmbh Robert Speichereinspritzsystem (Common Rail) für Brennkraftmaschinen
JP2003021017A (ja) * 2001-07-10 2003-01-24 Bosch Automotive Systems Corp 蓄圧式燃料噴射装置
JP3724392B2 (ja) * 2001-07-26 2005-12-07 トヨタ自動車株式会社 内燃機関の燃料噴射制御装置
US6595189B2 (en) 2001-08-10 2003-07-22 Caterpillar Inc Method of reducing noise in a mechanically actuated fuel injection system and engine using same
DE10139623A1 (de) * 2001-08-11 2003-02-27 Bosch Gmbh Robert Einspritzanordnung für ein Kraftstoff-Speichereinspritzsystem
JP3931120B2 (ja) * 2002-07-10 2007-06-13 ボッシュ株式会社 蓄圧式燃料噴射装置
JP4144375B2 (ja) * 2002-09-11 2008-09-03 株式会社デンソー 蓄圧式燃料噴射装置
DE10300178A1 (de) * 2003-01-08 2004-07-22 Robert Bosch Gmbh Verfahren, Computerprogramm und Steuer- und/oder Regelgerät zum Betreiben einer Brennkraftmaschine, sowie Brennkraftmaschine
US7219655B2 (en) * 2003-02-28 2007-05-22 Caterpillar Inc Fuel injection system including two common rails for injecting fuel at two independently controlled pressures
JP2004353487A (ja) * 2003-05-27 2004-12-16 Mitsubishi Electric Corp 内燃機関の燃料供給装置
DE10358266B4 (de) * 2003-12-11 2008-06-05 L'orange Gmbh Kraftstoff-Einspritzsystem für Brennkraftmaschinen
DE102004002139A1 (de) * 2004-01-15 2005-08-04 Robert Bosch Gmbh Kraftstoffversorgungssystem für eine Brennkraftmaschine
DE102005001499B4 (de) * 2005-01-12 2009-12-10 Continental Automotive Gmbh Verfahren und Vorrichtung zum Steuern einer Brennkraftmaschine
DE102005001497B4 (de) * 2005-01-12 2007-02-15 Siemens Ag Verfahren und Vorrichtung zum Steuern einer Brennkraftmaschine
DE102005012997B4 (de) * 2005-03-21 2010-09-09 Continental Automotive Gmbh Druckabbauverfahren für eine Einspritzanlage und entsprechende Einspritzanlagen
DE102005012998B3 (de) * 2005-03-21 2006-09-21 Siemens Ag Druckabbauverfahren für eine Einspritzanlage und entsprechende Einspritzanlage
DE102005060552B4 (de) * 2005-12-17 2009-06-10 Man Diesel Se Einspritzvorrichtung für Brennstoffmotoren
PT1803917E (pt) * 2005-12-28 2008-10-06 Magneti Marelli Powertrain Spa Método de controlo dum sistema de injecção de rampa de alimentação comum para a injecção directa de combustível num motor de combustão interna
ATE454547T1 (de) * 2007-01-23 2010-01-15 Scania Cv Ab Anordnung und verfahren zum abschalten eines verbrennungsmotors
DE602007006173D1 (de) * 2007-07-05 2010-06-10 Magneti Marelli Spa Verfahren zur Steuerung des Überdrucks in einem Brennstoffversorgungssystem des Common-Rail-Typs
US8291889B2 (en) 2009-05-07 2012-10-23 Caterpillar Inc. Pressure control in low static leak fuel system
US8196567B2 (en) * 2010-05-28 2012-06-12 Ford Global Technologies, Llc Approach for controlling fuel flow with alternative fuels
CA2809539C (en) * 2013-03-15 2014-05-13 Westport Power Inc. Preventing fuel regulation failure
FR3012177A1 (fr) * 2013-10-23 2015-04-24 Peugeot Citroen Automobiles Sa Procede de decharge d'un rail d'injection de carburant haute pression de moteur a combustion interne en cas d'intervention apres-vente
US10267282B2 (en) * 2014-09-12 2019-04-23 Ge Global Sourcing Llc Pressure relief valve systems
DE102016207297B3 (de) * 2016-04-28 2017-10-19 Mtu Friedrichshafen Gmbh Verfahren zum Betrieb einer Brennkraftmaschine, Einrichtung zum Steuern und/oder Regeln einer Brennkraftmaschine, Einspritzsystem und Brennkraftmaschine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4782808A (en) * 1986-08-13 1988-11-08 Ashland Oil, Inc. Process and apparatus for reducing port fuel injector deposits
US5074272A (en) * 1986-08-13 1991-12-24 Ashland Oil, Inc. Process and apparatus for reducing port fuel injector deposits
JPH0354358A (ja) * 1989-07-21 1991-03-08 Yamaha Motor Co Ltd エンジンの高圧燃料噴射装置
JP2773826B2 (ja) * 1989-12-27 1998-07-09 ヤマハ発動機株式会社 ２サイクルエンジンの空気燃料噴射装置
US5159911A (en) * 1991-06-21 1992-11-03 Cummins Engine Company, Inc. Hot start open nozzle fuel injection systems
DE4332119B4 (de) * 1993-09-22 2006-04-20 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
US5408970A (en) * 1994-05-02 1995-04-25 General Motors Corporation Electronically controlled continuous flow fuel system

Also Published As

Publication number Publication date
DE4445586A1 (de) 1996-06-27
JPH09509716A (ja) 1997-09-30
WO1996019659A1 (de) 1996-06-27
KR970701309A (ko) 1997-03-17
KR100378722B1 (ko) 2003-06-19
EP0745184A1 (de) 1996-12-04
US5711274A (en) 1998-01-27
EP0745184B1 (de) 1998-10-28

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