DE69505741T2 - Kraftstoffeinspritzungssystem mit Druckspeicher - Google Patents

Kraftstoffeinspritzungssystem mit Druckspeicher

Info

Publication number
DE69505741T2
DE69505741T2 DE69505741T DE69505741T DE69505741T2 DE 69505741 T2 DE69505741 T2 DE 69505741T2 DE 69505741 T DE69505741 T DE 69505741T DE 69505741 T DE69505741 T DE 69505741T DE 69505741 T2 DE69505741 T2 DE 69505741T2
Authority
DE
Germany
Prior art keywords
fuel injection
injection system
pressure accumulator
accumulator
pressure
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
DE69505741T
Other languages
English (en)
Other versions
DE69505741D1 (de
Inventor
Akio Ishida
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.)
Mitsubishi Fuso Truck and Bus Corp
Original Assignee
Mitsubishi Motors 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
Application filed by Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Application granted granted Critical
Publication of DE69505741D1 publication Critical patent/DE69505741D1/de
Publication of DE69505741T2 publication Critical patent/DE69505741T2/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
    • 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
    • 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
    • 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
    • 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
    • F02M59/102—Mechanical drive, e.g. tappets or cams
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/40—Fuel-injection apparatus with fuel accumulators, e.g. a fuel injector having an integrated fuel accumulator

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)
DE69505741T 1994-07-08 1995-07-07 Kraftstoffeinspritzungssystem mit Druckspeicher Expired - Fee Related DE69505741T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6180648A JP2885076B2 (ja) 1994-07-08 1994-07-08 蓄圧式燃料噴射装置

Publications (2)

Publication Number Publication Date
DE69505741D1 DE69505741D1 (de) 1998-12-10
DE69505741T2 true DE69505741T2 (de) 1999-07-22

Family

ID=16086872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69505741T Expired - Fee Related DE69505741T2 (de) 1994-07-08 1995-07-07 Kraftstoffeinspritzungssystem mit Druckspeicher

Country Status (6)

Country Link
US (1) US5622152A (de)
EP (1) EP0691471B1 (de)
JP (1) JP2885076B2 (de)
KR (1) KR100196260B1 (de)
CN (1) CN1061412C (de)
DE (1) DE69505741T2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19939425A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzverfahren und -systeme für eine Brennkraftmaschine
DE19939420A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzverfahren und -system für eine Brennkraftmaschine
DE10055269B4 (de) * 2000-11-08 2005-10-27 Robert Bosch Gmbh Druckgesteuerter Injektor mit Druckübersetzung
US7588012B2 (en) 2005-11-09 2009-09-15 Caterpillar Inc. Fuel system having variable injection pressure

Families Citing this family (156)

* Cited by examiner, † Cited by third party
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US6257499B1 (en) 1994-06-06 2001-07-10 Oded E. Sturman High speed fuel injector
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US6575137B2 (en) 1994-07-29 2003-06-10 Caterpillar Inc Piston and barrel assembly with stepped top and hydraulically-actuated fuel injector utilizing same
US5463996A (en) * 1994-07-29 1995-11-07 Caterpillar Inc. Hydraulically-actuated fluid injector having pre-injection pressurizable fluid storage chamber and direct-operated check
US6148778A (en) 1995-05-17 2000-11-21 Sturman Industries, Inc. Air-fuel module adapted for an internal combustion engine
JP3669017B2 (ja) * 1995-09-21 2005-07-06 三菱ふそうトラック・バス株式会社 蓄圧式燃料噴射制御装置
JPH09209867A (ja) * 1996-02-07 1997-08-12 Mitsubishi Motors Corp 燃料噴射装置
JP3783266B2 (ja) * 1996-02-09 2006-06-07 いすゞ自動車株式会社 内燃機関の燃料噴射装置
US5992359A (en) * 1996-06-13 1999-11-30 Rose; Nigel Eric Fluid actuated engines and engine mechanisms
US5709194A (en) * 1996-12-09 1998-01-20 Caterpillar Inc. Method and apparatus for injecting fuel using control fluid to control the injection's pressure and time
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
US5852997A (en) * 1997-05-20 1998-12-29 Stanadyne Automotive Corp. Common rail injector
US5832898A (en) * 1997-06-05 1998-11-10 Siemens Automotive Corporation Fuel injection system with pressure decay metering method
DE19744723A1 (de) * 1997-10-10 1999-04-15 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
US5931139A (en) 1997-10-14 1999-08-03 Caterpillar Inc. Mechanically-enabled hydraulically-actuated electronically-controlled fuel injection system
DE19816316A1 (de) * 1998-04-11 1999-10-14 Bosch Gmbh Robert Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen
DE19818421B4 (de) * 1998-04-24 2017-04-06 Robert Bosch Gmbh Kraftstoffversorgungsanlage einer Brennkraftmaschine
US6085991A (en) 1998-05-14 2000-07-11 Sturman; Oded E. Intensified fuel injector having a lateral drain passage
US6053421A (en) * 1998-05-19 2000-04-25 Caterpillar Inc. Hydraulically-actuated fuel injector with rate shaping spool control valve
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
EP1112445B1 (de) * 1998-09-10 2004-05-12 International Engine Intellectual Property Company, LLC. Brennstoffinjektor
US6684853B1 (en) * 1998-10-16 2004-02-03 International Engine Intellectual Property Company, Llc Fuel injector with direct needle valve control
US20020174854A1 (en) * 1998-10-16 2002-11-28 Ning Lei Fuel injector with direct needle valve control
DE19848904A1 (de) * 1998-10-23 2000-04-27 Hydraulik Ring Gmbh Druckstufe zur Regulierung einer Voreinspritzmenge von Kraftstoff in Verbrennungsmotoren, vorzugsweise in Dieselmotoren
DE69905685T2 (de) * 1998-11-19 2003-10-02 Mitsubishi Motors Corp Kraftstoffeinspritzvorrichtung der Akkumulatorgattung
WO2000034646A1 (en) * 1998-12-11 2000-06-15 Caterpillar Inc. Piston and barrel assembly with stepped top and hydraulically-actuated fuel injector utilizing same
DE19910970A1 (de) * 1999-03-12 2000-09-28 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE19910971A1 (de) * 1999-03-12 2000-09-21 Bosch Gmbh Robert Kraftstoffeinspritzsystem für eine Brennkraftmaschine, mit einer Hochdruckpumpe und zwei Druckspeichern
GB2351772B (en) * 1999-07-08 2003-07-23 Caterpillar Inc Pressure-intensifying hydraulically-actuated electronically-controlled fuel injection system with individual mechanical unit pumps
DE19934833A1 (de) * 1999-07-24 2001-01-25 Bosch Gmbh Robert Verfahren zur Steuerung eines Common-Rail-Einspritzsystems
DE19939423A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE19939419A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE19939428A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Verfahren und Vorrichtung zur Durchführung einer Kraftstoffeinspritzung
DE19939429A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE19939422A1 (de) 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE19945785B4 (de) * 1999-09-24 2010-10-07 Robert Bosch Gmbh Kraftstoffeinspritzsystem für Brennkraftmaschinen und Verfahren zum Einspritzen von Kraftstoff in den Brennraum einer Brennkraftmaschine
DE19949525B4 (de) * 1999-10-14 2005-09-01 Robert Bosch Gmbh Druckübersetzer für ein Kraftstoffeinspritzsystem für Brennkraftmaschinen mit hydraulisch unterstützter Wiederbefüllung
DE19949848A1 (de) * 1999-10-15 2001-04-19 Bosch Gmbh Robert Druckübersetzer für ein Kraftstoffeinspritzsystem für Brennkraftmaschinen
DE19951005A1 (de) * 1999-10-22 2001-04-26 Bosch Gmbh Robert Einspritzeinrichtung und Verfahren zum Einspritzen von Fluid
DE19952512A1 (de) * 1999-10-30 2001-05-10 Bosch Gmbh Robert Druckverstärker und Kraftstoffeinspritzsystem mit einem Druckverstärker
DE10002273A1 (de) * 2000-01-20 2001-08-02 Bosch Gmbh Robert Einspritzeinrichtung und Verfahren zum Einspritzen von Fluid
DE10002705A1 (de) * 2000-01-22 2001-08-02 Bosch Gmbh Robert Vorrichtung und Verfahren zum Bereitstellen eines Systemdrucks in einer Einspritzeinrichtung
JP3775498B2 (ja) * 2000-03-31 2006-05-17 三菱ふそうトラック・バス株式会社 蓄圧式燃料噴射装置
US6250290B1 (en) 2000-04-06 2001-06-26 Transportation Design & Manufacturing Co. Cooled LPG fuel rail
JP2001323858A (ja) * 2000-05-17 2001-11-22 Bosch Automotive Systems Corp 燃料噴射装置
DE10040526A1 (de) * 2000-08-18 2002-03-14 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
US6520150B1 (en) * 2000-08-23 2003-02-18 Detroit Diesel Corporation Fuel injector assembly and internal combustion engine including same
DE10056166A1 (de) * 2000-11-13 2002-05-23 Bosch Gmbh Robert Hochdrucksammelraum mit integriertem Druckübersetzungselement
US6568369B1 (en) * 2000-12-05 2003-05-27 Caterpillar Inc Common rail injector with separately controlled pilot and main injection
DE10065103C1 (de) * 2000-12-28 2002-06-20 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10101358A1 (de) * 2001-01-13 2002-07-25 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10109610A1 (de) * 2001-02-28 2002-09-05 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
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EP0691471A1 (de) 1996-01-10
US5622152A (en) 1997-04-22
EP0691471B1 (de) 1998-11-04
CN1127842A (zh) 1996-07-31
CN1061412C (zh) 2001-01-31
JP2885076B2 (ja) 1999-04-19
JPH0821332A (ja) 1996-01-23
KR100196260B1 (ko) 1999-06-15
DE69505741D1 (de) 1998-12-10

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