DE10246974A1 - Kraftstoffeinspritzvorrichtung für eine Brennkraftmaschine - Google Patents

Kraftstoffeinspritzvorrichtung für eine Brennkraftmaschine Download PDF

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Publication number
DE10246974A1
DE10246974A1 DE2002146974 DE10246974A DE10246974A1 DE 10246974 A1 DE10246974 A1 DE 10246974A1 DE 2002146974 DE2002146974 DE 2002146974 DE 10246974 A DE10246974 A DE 10246974A DE 10246974 A1 DE10246974 A1 DE 10246974A1
Authority
DE
Germany
Prior art keywords
valve
sleeve
fuel injector
fuel
valve element
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Withdrawn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
DE2002146974
Other languages
German (de)
English (en)
Inventor
Friedrich Boecking
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 DE2002146974 priority Critical patent/DE10246974A1/de
Priority to EP03740026A priority patent/EP1552135B1/fr
Priority to PCT/DE2003/001676 priority patent/WO2004033890A1/fr
Priority to DE50303869T priority patent/DE50303869D1/de
Publication of DE10246974A1 publication Critical patent/DE10246974A1/de
Withdrawn legal-status Critical Current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
    • 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
    • F02M45/086—Having more than one injection-valve controlling discharge orifices
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/46—Valves, e.g. injectors, with concentric valve bodies
    • 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/001—Control chambers formed by movable sleeves

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)
DE2002146974 2002-10-09 2002-10-09 Kraftstoffeinspritzvorrichtung für eine Brennkraftmaschine Withdrawn DE10246974A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE2002146974 DE10246974A1 (de) 2002-10-09 2002-10-09 Kraftstoffeinspritzvorrichtung für eine Brennkraftmaschine
EP03740026A EP1552135B1 (fr) 2002-10-09 2003-05-23 Dispositif d'injection de carburant destine a un moteur a combustion interne
PCT/DE2003/001676 WO2004033890A1 (fr) 2002-10-09 2003-05-23 Dispositif d'injection de carburant destine a un moteur a combustion interne
DE50303869T DE50303869D1 (de) 2002-10-09 2003-05-23 Kraftstoffeinspritzvorrichtung für eine brennkraftmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2002146974 DE10246974A1 (de) 2002-10-09 2002-10-09 Kraftstoffeinspritzvorrichtung für eine Brennkraftmaschine

Publications (1)

Publication Number Publication Date
DE10246974A1 true DE10246974A1 (de) 2004-04-22

Family

ID=32038355

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2002146974 Withdrawn DE10246974A1 (de) 2002-10-09 2002-10-09 Kraftstoffeinspritzvorrichtung für eine Brennkraftmaschine
DE50303869T Expired - Lifetime DE50303869D1 (de) 2002-10-09 2003-05-23 Kraftstoffeinspritzvorrichtung für eine brennkraftmaschine

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE50303869T Expired - Lifetime DE50303869D1 (de) 2002-10-09 2003-05-23 Kraftstoffeinspritzvorrichtung für eine brennkraftmaschine

Country Status (3)

Country Link
EP (1) EP1552135B1 (fr)
DE (2) DE10246974A1 (fr)
WO (1) WO2004033890A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004036367B3 (de) * 2004-07-27 2005-10-13 Siemens Ag Einspritzventil
WO2005119045A1 (fr) * 2004-06-03 2005-12-15 Siemens Aktiengesellschaft Soupape d'injection
EP1614892A1 (fr) * 2004-07-06 2006-01-11 Siemens Aktiengesellschaft Soupape d'injection de carburant avec une soupape à balle pour une servo valve à deux étapes
EP1630409A1 (fr) * 2004-08-25 2006-03-01 Siemens Aktiengesellschaft Soupape servo et soupape d'injection
EP1650427A1 (fr) * 2004-10-23 2006-04-26 Robert Bosch Gmbh Soupape d'injection de carburant pour des moteurs à combustion interne
DE102004051406A1 (de) * 2004-10-21 2006-05-04 Siemens Ag Kraftstoffinjektor mit einer im Düsenkörper geführten Hohlnadel einer Registerdüse
WO2006063918A1 (fr) * 2004-12-16 2006-06-22 Robert Bosch Gmbh Injecteur de carburant
DE102005001284A1 (de) * 2005-01-11 2006-07-20 Siemens Ag Kraftstoffinjektor mit einer Registerdüse, deren innere Düsennadel in einem Nadelführungskörper geführt wird
WO2006108741A1 (fr) * 2005-04-12 2006-10-19 Robert Bosch Gmbh Injecteur de carburant s'ouvrant a deux niveaux
DE102005023368A1 (de) * 2005-05-20 2006-11-23 Siemens Ag Düsenbaugruppe für ein Einspritzventil und Einspritzventil
WO2008017614A1 (fr) 2006-08-09 2008-02-14 Siemens Aktiengesellschaft Dispositif d'injection de combustible pour un moteur à combustion
WO2008110408A1 (fr) 2007-03-09 2008-09-18 Robert Bosch Gmbh Injecteur de carburant à soupape de commande améliorée
DE102005042786B4 (de) * 2005-09-08 2009-04-16 Siemens Ag Kraftstoffinjektor mit hermetisch abgedichtetem Hydrauliksystem
US8347851B2 (en) 2007-09-07 2013-01-08 Toyota Jidosha Kabushiki Kaisha Fuel injection control device for internal combustion engine
DE102014211287A1 (de) 2014-06-12 2015-12-17 Engineering Center Steyr Gmbh & Co. Kg Fluid-Einspritzvorrichtung für eine Verbrennungskraftmaschine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10326043A1 (de) * 2003-06-10 2004-12-30 Robert Bosch Gmbh Einspritzdüse für Brennkraftmaschinen
DE10334209A1 (de) * 2003-07-26 2005-02-10 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine
DE10343998A1 (de) * 2003-09-23 2005-04-14 Robert Bosch Gmbh Einspritzdüse
DE102004030445A1 (de) * 2004-06-24 2006-01-12 Robert Bosch Gmbh Kraftstoffeinspritzvorrichtung
DE102005046669A1 (de) * 2005-09-29 2007-04-05 Robert Bosch Gmbh Lochdüse für eine Kraftstoff-Einspritzvorrichtung eines Kraftstoff-Einspritzsystem

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9709678D0 (en) * 1997-05-14 1997-07-02 Lucas Ind Plc Fuel injector
GB0021296D0 (en) * 2000-08-30 2000-10-18 Ricardo Consulting Eng A dual mode fuel injector
DE10122241A1 (de) * 2001-05-08 2002-12-05 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US6637675B2 (en) * 2001-07-13 2003-10-28 Cummins Inc. Rate shaping fuel injector with limited throttling

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005119045A1 (fr) * 2004-06-03 2005-12-15 Siemens Aktiengesellschaft Soupape d'injection
EP1614892A1 (fr) * 2004-07-06 2006-01-11 Siemens Aktiengesellschaft Soupape d'injection de carburant avec une soupape à balle pour une servo valve à deux étapes
DE102004036367B3 (de) * 2004-07-27 2005-10-13 Siemens Ag Einspritzventil
EP1630409A1 (fr) * 2004-08-25 2006-03-01 Siemens Aktiengesellschaft Soupape servo et soupape d'injection
DE102004051406B4 (de) * 2004-10-21 2008-03-20 Siemens Ag Kraftstoffinjektor mit einer im Düsenkörper geführten Hohlnadel einer Registerdüse
DE102004051406A1 (de) * 2004-10-21 2006-05-04 Siemens Ag Kraftstoffinjektor mit einer im Düsenkörper geführten Hohlnadel einer Registerdüse
EP1650427A1 (fr) * 2004-10-23 2006-04-26 Robert Bosch Gmbh Soupape d'injection de carburant pour des moteurs à combustion interne
WO2006063918A1 (fr) * 2004-12-16 2006-06-22 Robert Bosch Gmbh Injecteur de carburant
DE102005001284A1 (de) * 2005-01-11 2006-07-20 Siemens Ag Kraftstoffinjektor mit einer Registerdüse, deren innere Düsennadel in einem Nadelführungskörper geführt wird
WO2006108741A1 (fr) * 2005-04-12 2006-10-19 Robert Bosch Gmbh Injecteur de carburant s'ouvrant a deux niveaux
DE102005023368A1 (de) * 2005-05-20 2006-11-23 Siemens Ag Düsenbaugruppe für ein Einspritzventil und Einspritzventil
DE102005023368B4 (de) * 2005-05-20 2008-09-11 Continental Automotive Gmbh Düsenbaugruppe für ein Einspritzventil und Einspritzventil
DE102005042786B4 (de) * 2005-09-08 2009-04-16 Siemens Ag Kraftstoffinjektor mit hermetisch abgedichtetem Hydrauliksystem
WO2008017614A1 (fr) 2006-08-09 2008-02-14 Siemens Aktiengesellschaft Dispositif d'injection de combustible pour un moteur à combustion
WO2008110408A1 (fr) 2007-03-09 2008-09-18 Robert Bosch Gmbh Injecteur de carburant à soupape de commande améliorée
US8347851B2 (en) 2007-09-07 2013-01-08 Toyota Jidosha Kabushiki Kaisha Fuel injection control device for internal combustion engine
DE102014211287A1 (de) 2014-06-12 2015-12-17 Engineering Center Steyr Gmbh & Co. Kg Fluid-Einspritzvorrichtung für eine Verbrennungskraftmaschine

Also Published As

Publication number Publication date
WO2004033890A1 (fr) 2004-04-22
DE50303869D1 (de) 2006-07-27
EP1552135A1 (fr) 2005-07-13
EP1552135B1 (fr) 2006-06-14

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination