DE69803384D1 - Kraftstoffeinspritzvorrichtung für dieselmotoren - Google Patents

Kraftstoffeinspritzvorrichtung für dieselmotoren

Info

Publication number
DE69803384D1
DE69803384D1 DE69803384T DE69803384T DE69803384D1 DE 69803384 D1 DE69803384 D1 DE 69803384D1 DE 69803384 T DE69803384 T DE 69803384T DE 69803384 T DE69803384 T DE 69803384T DE 69803384 D1 DE69803384 D1 DE 69803384D1
Authority
DE
Germany
Prior art keywords
closing
nozzle needle
discharge
opening
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
DE69803384T
Other languages
English (en)
Other versions
DE69803384T2 (de
Inventor
Jean-Louis Froment
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.)
Wartsila France SAS
Original Assignee
Cummins Wartsila SA
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
Priority claimed from FR9709196A external-priority patent/FR2766238B1/fr
Priority claimed from FR9802938A external-priority patent/FR2775736B1/fr
Application filed by Cummins Wartsila SA filed Critical Cummins Wartsila SA
Application granted granted Critical
Publication of DE69803384D1 publication Critical patent/DE69803384D1/de
Publication of DE69803384T2 publication Critical patent/DE69803384T2/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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • 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
    • F02M45/08—Injectors peculiar thereto
    • 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
    • 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
    • F02M47/025—Hydraulically 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
    • 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
    • F02M59/20—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
    • 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

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)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)
DE69803384T 1997-07-16 1998-07-13 Kraftstoffeinspritzvorrichtung für dieselmotoren Expired - Lifetime DE69803384T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9709196A FR2766238B1 (fr) 1997-07-16 1997-07-16 Dispositif d'injection de combustible pour moteurs diesel
FR9802938A FR2775736B1 (fr) 1998-03-06 1998-03-06 Dispositif d'injection de combustible pour moteurs diesel
PCT/FR1998/001524 WO1999004160A1 (fr) 1997-07-16 1998-07-13 Dispositif d'injection de combustible pour moteurs diesel

Publications (2)

Publication Number Publication Date
DE69803384D1 true DE69803384D1 (de) 2002-02-28
DE69803384T2 DE69803384T2 (de) 2002-09-26

Family

ID=26233690

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803384T Expired - Lifetime DE69803384T2 (de) 1997-07-16 1998-07-13 Kraftstoffeinspritzvorrichtung für dieselmotoren

Country Status (8)

Country Link
US (1) US6189509B1 (de)
EP (1) EP0995031B1 (de)
JP (1) JP2001510265A (de)
AT (1) ATE211525T1 (de)
AU (1) AU8735198A (de)
DE (1) DE69803384T2 (de)
ES (1) ES2171038T3 (de)
WO (1) WO1999004160A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19938169A1 (de) * 1999-08-16 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE19939419A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10012552A1 (de) * 2000-03-15 2001-09-27 Bosch Gmbh Robert Einspritzeinrichtung mit einem Aktor zur Nadelhubsteuerung
DE10084656C2 (de) * 2000-03-31 2003-12-18 Mitsubishi Fuso Truck & Bus Verfahren zum Betreiben einer Druckspeicher-Kraftstoffeinspritzvorrichtung
GB0008598D0 (en) * 2000-04-07 2000-05-31 Delphi Tech Inc Fuel system
DE10111293B4 (de) * 2001-03-09 2008-11-20 Robert Bosch Gmbh Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen
DE10113654A1 (de) * 2001-03-21 2002-09-26 Bosch Gmbh Robert Kraftsotffeinspritzeinrichtung für Brennkraftmaschinen
US6871629B2 (en) * 2001-07-31 2005-03-29 Thermo King Corporation Refrigeration system with low-fuel shutdown
SE523498C2 (sv) * 2001-08-17 2004-04-27 Volvo Teknisk Utveckling Ab Förfarande för att styra bränsleinsprutningen till ett förbränningsrum samt en bränsleinsprutningsanordning för att genomföra förfarandet
DE10154802A1 (de) * 2001-11-08 2003-05-22 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10158660A1 (de) 2001-11-30 2003-06-12 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10211439A1 (de) * 2002-03-15 2003-10-02 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10238951A1 (de) * 2002-08-24 2004-03-11 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
WO2004072470A1 (en) * 2003-02-12 2004-08-26 Robert Bosch Gmbh Fuel injector pump system with high pressure post injection
DE102004028195A1 (de) * 2004-06-09 2005-12-29 Volkswagen Mechatronic Gmbh & Co. Kg Einspritzventil mit Schließdruckbeaufschlagung der Ventilnadel
DE602005021988D1 (de) * 2005-03-22 2010-08-05 Volvo Lastvagnar Ab Verfahren zur steuerung eines kraftstoffeinspritzventils
KR100756635B1 (ko) 2006-08-08 2007-09-07 현대자동차주식회사 페일 세이프티 기능이 채용된 2-밸브 전자 유닛 인젝터 장치
DE102007021330A1 (de) * 2007-05-07 2008-11-13 Robert Bosch Gmbh Kraftstoffinjektor für eine Brennkraftmaschine mit Common-Rail-Einspritzsystem
US7640919B1 (en) 2008-01-31 2010-01-05 Perkins Engines Company Limited Fuel system for protecting a fuel filter
US8291889B2 (en) 2009-05-07 2012-10-23 Caterpillar Inc. Pressure control in low static leak fuel system
DE102009032487A1 (de) * 2009-07-09 2011-01-13 J. Eberspächer GmbH & Co. KG Abgasreinigungseinreinigung für Kraftfahrzeuge
US20120180761A1 (en) * 2009-09-17 2012-07-19 International Engine Intellectual Property Company High-pressure unit fuel injector

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH495504A (de) * 1968-08-28 1970-08-31 Sopromi Soc Proc Modern Inject Brennstoff-Einspritzventil mit elektromagnetischer Betätigung
DE2759187A1 (de) * 1977-12-31 1979-07-12 Bosch Gmbh Robert Kraftstoffeinspritzanlage mit mindestens einem kraftstoffeinspritzventil, insbesondere fuer grossmotoren
JPS57124032A (en) * 1981-01-24 1982-08-02 Diesel Kiki Co Ltd Fuel injector
FR2541379B1 (fr) * 1983-02-21 1987-06-12 Renault Perfectionnement aux systemes d'injection a commande electromagnetique pour moteur diesel de type pression-temps ou l'aiguille de l'injecteur est pilotee par la decharge puis la charge d'une capacite
US4741478A (en) 1986-11-28 1988-05-03 General Motors Corporation Diesel unit fuel injector with spill assist injection needle valve closure
DE4236882C1 (de) * 1992-10-31 1994-04-21 Daimler Benz Ag Kraftstoffeinspritzanlage mit einer Hochdruckpumpe und einer gemeinsamen Versorgungsleitung für alle Einspritzdüsen mit Magnetventilsteuerung
DE4240517A1 (de) * 1992-12-02 1994-06-09 Bosch Gmbh Robert Kraftstoff-Einspritzeinrichtung für Diesel-Brennkraftmaschinen
DE4406901C2 (de) * 1994-03-03 1998-03-19 Daimler Benz Ag Magnetventilgesteuerter Injektor für eine Brennkraftmaschine
JPH08158981A (ja) * 1994-12-02 1996-06-18 Nippondenso Co Ltd 燃料噴射装置
FI101168B (fi) * 1994-12-23 1998-04-30 Waertsilae Nsd Oy Ab Ruiskutusjärjestely ja menetelmä sen käyttämiseksi polttomoottorissa
GB9506959D0 (en) * 1995-04-04 1995-05-24 Lucas Ind Plc Fuel system
JPH09158810A (ja) * 1995-10-02 1997-06-17 Hino Motors Ltd ディーゼルエンジン
JPH09209867A (ja) * 1996-02-07 1997-08-12 Mitsubishi Motors Corp 燃料噴射装置
FR2752268B1 (fr) * 1996-08-07 1998-09-18 Froment Jean Louis Dispositif d'amelioration de la dynamique d'injection de combustible pour les moteurs diesel equipes de pompes d'injection a debit pulse

Also Published As

Publication number Publication date
DE69803384T2 (de) 2002-09-26
JP2001510265A (ja) 2001-07-31
AU8735198A (en) 1999-02-10
US6189509B1 (en) 2001-02-20
EP0995031B1 (de) 2002-01-02
EP0995031A1 (de) 2000-04-26
WO1999004160A1 (fr) 1999-01-28
ES2171038T3 (es) 2002-08-16
ATE211525T1 (de) 2002-01-15

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: WARTSILA FRANCE SAS, MULHOUSE, FR