DE50008497D1 - Kraftstoffeinspritzsystem für eine Brennkraftmaschine mit einer Druckübersetzungseinheit - Google Patents

Kraftstoffeinspritzsystem für eine Brennkraftmaschine mit einer Druckübersetzungseinheit

Info

Publication number
DE50008497D1
DE50008497D1 DE50008497T DE50008497T DE50008497D1 DE 50008497 D1 DE50008497 D1 DE 50008497D1 DE 50008497 T DE50008497 T DE 50008497T DE 50008497 T DE50008497 T DE 50008497T DE 50008497 D1 DE50008497 D1 DE 50008497D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
fuel injection
transmission unit
injection system
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
DE50008497T
Other languages
English (en)
Inventor
Bernd Mahr
Martin Kropp
Hans-Christoph Magel
Wolfgang Otterbach
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
Priority to DE50008497T priority Critical patent/DE50008497D1/de
Application granted granted Critical
Publication of DE50008497D1 publication Critical patent/DE50008497D1/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
    • 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
    • F02M63/0275—Arrangement of common rails
    • F02M63/0285—Arrangement of common rails having more than one common rail
    • F02M63/029—Arrangement of common rails having more than one common rail per cylinder bank, e.g. storing different fuels or fuels at different pressure levels per cylinder bank
    • 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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/16—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor characterised by the distributor being fed from a constant pressure source, e.g. accumulator or constant pressure positive displacement 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
    • 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
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • 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
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/105—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive hydraulic drive
    • 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)
DE50008497T 1999-08-20 2000-08-02 Kraftstoffeinspritzsystem für eine Brennkraftmaschine mit einer Druckübersetzungseinheit Expired - Lifetime DE50008497D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50008497T DE50008497D1 (de) 1999-08-20 2000-08-02 Kraftstoffeinspritzsystem für eine Brennkraftmaschine mit einer Druckübersetzungseinheit

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19939422A DE19939422A1 (de) 1999-08-20 1999-08-20 Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE50008497T DE50008497D1 (de) 1999-08-20 2000-08-02 Kraftstoffeinspritzsystem für eine Brennkraftmaschine mit einer Druckübersetzungseinheit
PCT/DE2000/002551 WO2001014711A1 (de) 1999-08-20 2000-08-02 Kraftstoffeinspritzsystem für eine brennkraftmaschine

Publications (1)

Publication Number Publication Date
DE50008497D1 true DE50008497D1 (de) 2004-12-09

Family

ID=7918957

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19939422A Ceased DE19939422A1 (de) 1999-08-20 1999-08-20 Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE50008497T Expired - Lifetime DE50008497D1 (de) 1999-08-20 2000-08-02 Kraftstoffeinspritzsystem für eine Brennkraftmaschine mit einer Druckübersetzungseinheit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19939422A Ceased DE19939422A1 (de) 1999-08-20 1999-08-20 Kraftstoffeinspritzsystem für eine Brennkraftmaschine

Country Status (5)

Country Link
US (1) US6619263B1 (de)
EP (1) EP1125046B1 (de)
JP (1) JP2003507637A (de)
DE (2) DE19939422A1 (de)
WO (1) WO2001014711A1 (de)

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* Cited by examiner, † Cited by third party
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DE19939422A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzsystem für eine Brennkraftmaschine
US6568369B1 (en) * 2000-12-05 2003-05-27 Caterpillar Inc Common rail injector with separately controlled pilot and main injection
DE10112154A1 (de) * 2001-03-14 2002-09-26 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10115324A1 (de) * 2001-03-28 2002-10-17 Bosch Gmbh Robert Kraftstoffsystem
DE10124207A1 (de) * 2001-05-11 2002-11-21 Bosch Gmbh Robert Druckverstärker einer Kraftstoffeinspritzeinrichtung
US6513371B1 (en) * 2001-07-31 2003-02-04 Diesel Technology Company Method for determining fuel injection rate shaping current in an engine fuel injection system
WO2003033903A1 (en) * 2001-10-16 2003-04-24 Mitsubishi Heavy Industries, Ltd. Fuel injection device and diesel engine having the same, and fuel injection device controlling method
JP3504938B2 (ja) 2002-02-08 2004-03-08 三菱重工業株式会社 燃料噴射装置
DE10151885A1 (de) * 2001-10-20 2003-05-08 Bosch Gmbh Robert Kraftstoffeinspritzsystem
DE10229412A1 (de) 2002-06-29 2004-01-29 Robert Bosch Gmbh Kraftstoffinjektor mit Druckübersetzer für Mehrfacheinspritzung
ATE421040T1 (de) 2002-07-01 2009-01-15 Mitsubishi Heavy Ind Ltd Kraftstoffeinspritzventil und dieselmotor damit
US6786202B2 (en) * 2002-09-24 2004-09-07 Caterpillar Inc Hydraulic pump circuit
DE102004010760A1 (de) * 2004-03-05 2005-09-22 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen mit Nadelhubdämpfung
ATE337483T1 (de) 2004-06-30 2006-09-15 Fiat Ricerche Kraftstoffdruckregelsystem für eine brennkraftmaschine
EP1717434A1 (de) * 2005-04-28 2006-11-02 Delphi Technologies, Inc. Verbesserungen eines Kraftstoffeinspritzsystems
US7398763B2 (en) 2005-11-09 2008-07-15 Caterpillar Inc. Multi-source fuel system for variable pressure injection
US7588012B2 (en) 2005-11-09 2009-09-15 Caterpillar Inc. Fuel system having variable injection pressure
EP1793118B1 (de) * 2005-12-02 2008-04-30 OMT Officine Meccaniche Torino S.p.A. Injektor für mit schwerem Brennstoff betriebenen Grossdieselmotoren mit einem elektronisch gesteuerten Steuerventil
US7353800B2 (en) 2006-05-24 2008-04-08 Caterpillar Inc. Multi-source fuel system having grouped injector pressure control
US7392791B2 (en) * 2006-05-31 2008-07-01 Caterpillar Inc. Multi-source fuel system for variable pressure injection
WO2007139737A2 (en) * 2006-05-24 2007-12-06 Caterpillar Inc. Multi-source fuel system for variable pressure injection
US7431017B2 (en) 2006-05-24 2008-10-07 Caterpillar Inc. Multi-source fuel system having closed loop pressure control
DE102007014455A1 (de) 2007-03-21 2008-09-25 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE102007021327A1 (de) 2007-05-07 2008-11-13 Robert Bosch Gmbh Kraftstoffeinspritzsystem mit Druckverstärkung
DE102007021326A1 (de) 2007-05-07 2008-11-13 Robert Bosch Gmbh Druckverstärkungssystem für mindestens einen Kraftstoffinjektor
DE102007022857A1 (de) 2007-05-15 2008-11-20 Robert Bosch Gmbh Druckverstärker mit integriertem Druckspeicher
KR101063688B1 (ko) * 2008-12-03 2011-09-07 현대자동차주식회사 엔진의 연료 공급장치 및 이를 위한 인젝터
DE102009059672B4 (de) * 2009-12-19 2013-05-08 Deutz Ag Brennkraftmaschine mit einem Höchstdruckeinspritzsystem und Verfahren
DE102012012420A1 (de) * 2012-06-25 2014-01-02 L'orange Gmbh Injektor und Kraftstoffeinspritzeinrichtung mit einem solchen
JP6583304B2 (ja) * 2017-02-17 2019-10-02 トヨタ自動車株式会社 内燃機関の制御装置
GB2574841A (en) 2018-06-19 2019-12-25 Rklab Ag Injector apparatus

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US5732679A (en) * 1995-04-27 1998-03-31 Isuzu Motors Limited Accumulator-type fuel injection system
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DE19738397A1 (de) * 1997-09-03 1999-03-18 Bosch Gmbh Robert Kraftstoffeinspritzanlage für eine Brennkraftmaschine
JP4574762B2 (ja) * 1998-08-28 2010-11-04 ヴェルトジィレ シュヴァイツ アクチェンゲゼルシャフト 往復ピストンエンジンの燃料噴射装置
DE19939423A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE19939428A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Verfahren und Vorrichtung zur Durchführung einer Kraftstoffeinspritzung
DE19939421A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kombiniertes hub-/druckgesteuertes Kraftstoffeinspritzverfahren und -system für eine Brennkraftmaschine
DE19939422A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE19939425B4 (de) * 1999-08-20 2005-05-04 Robert Bosch Gmbh Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE10024268B4 (de) * 2000-05-17 2012-11-29 Robert Bosch Gmbh Vorrichtung zur Benzindirekteinspritzung in einer Kolbenbrennkraftmaschine
JP2002004975A (ja) * 2000-06-21 2002-01-09 Toyota Motor Corp 高圧燃料供給装置
JP2002089405A (ja) * 2000-09-11 2002-03-27 Toyota Motor Corp 高圧燃料供給装置
DE10063545C1 (de) * 2000-12-20 2002-08-01 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung

Also Published As

Publication number Publication date
EP1125046B1 (de) 2004-11-03
WO2001014711A1 (de) 2001-03-01
JP2003507637A (ja) 2003-02-25
EP1125046A1 (de) 2001-08-22
DE19939422A1 (de) 2001-03-01
US6619263B1 (en) 2003-09-16

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