EP2439398A1 - Soupape d'injection de combustible - Google Patents

Soupape d'injection de combustible Download PDF

Info

Publication number
EP2439398A1
EP2439398A1 EP11190884A EP11190884A EP2439398A1 EP 2439398 A1 EP2439398 A1 EP 2439398A1 EP 11190884 A EP11190884 A EP 11190884A EP 11190884 A EP11190884 A EP 11190884A EP 2439398 A1 EP2439398 A1 EP 2439398A1
Authority
EP
European Patent Office
Prior art keywords
control chamber
filler
nozzle
fuel injection
bore
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.)
Granted
Application number
EP11190884A
Other languages
German (de)
English (en)
Other versions
EP2439398B1 (fr
Inventor
Jens Leister
Holger Rapp
Friedrich Howey
Cetin Irmak
Kasim-Melih Hamutcu
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
Publication of EP2439398A1 publication Critical patent/EP2439398A1/fr
Application granted granted Critical
Publication of EP2439398B1 publication Critical patent/EP2439398B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F02M47/027—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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies

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)
EP11190884.4A 2008-06-19 2009-04-22 Soupape d'injection de combustible Active EP2439398B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810002522 DE102008002522A1 (de) 2008-06-19 2008-06-19 Brennstoffeinspritzventil
EP09765666A EP2294308A1 (fr) 2008-06-19 2009-04-22 Injecteur de carburant

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP09765666.4 Division 2009-04-22
EP09765666A Division EP2294308A1 (fr) 2008-06-19 2009-04-22 Injecteur de carburant

Publications (2)

Publication Number Publication Date
EP2439398A1 true EP2439398A1 (fr) 2012-04-11
EP2439398B1 EP2439398B1 (fr) 2014-07-16

Family

ID=40908522

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11190884.4A Active EP2439398B1 (fr) 2008-06-19 2009-04-22 Soupape d'injection de combustible
EP09765666A Withdrawn EP2294308A1 (fr) 2008-06-19 2009-04-22 Injecteur de carburant

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09765666A Withdrawn EP2294308A1 (fr) 2008-06-19 2009-04-22 Injecteur de carburant

Country Status (3)

Country Link
EP (2) EP2439398B1 (fr)
DE (1) DE102008002522A1 (fr)
WO (1) WO2009153086A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010040316A1 (de) * 2010-09-07 2012-03-08 Robert Bosch Gmbh Kraftstoffinjektor
DE102015118691A1 (de) * 2015-11-02 2017-05-04 L'orange Gmbh Kraftstoff-Einspritzinjektor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19956522A1 (de) 1999-11-24 2001-06-07 Bosch Gmbh Robert Injektor für unter Hochdruck erfolgender Kraftstoffeinspritzung
US6499467B1 (en) * 2000-03-31 2002-12-31 Cummins Inc. Closed nozzle fuel injector with improved controllabilty
DE10149961A1 (de) * 2001-10-10 2003-04-30 Bosch Gmbh Robert Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine, insbesondere Common-Rail-Injektor, sowie Kraftstoffsystem und Brennkraftmaschine
DE10346212A1 (de) * 2003-10-06 2005-04-21 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102004015746A1 (de) * 2004-03-31 2005-10-13 Robert Bosch Gmbh Kraftstoffeinspritzventil
WO2008015039A1 (fr) * 2006-08-04 2008-02-07 Robert Bosch Gmbh Injecteur pour un système d'injection de carburant

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19706467C1 (de) * 1997-02-19 1998-03-26 Daimler Benz Ag Speichereinspritzsystem für eine mehrzylindrige Brennkraftmaschine
GB9820033D0 (en) * 1998-09-16 1998-11-04 Lucas Ind Plc Fuel injector
DE19939939A1 (de) * 1999-08-23 2001-04-19 Bosch Gmbh Robert Injektor für ein Common-Rail-Einspritzsystem für Brennkraftmaschinen mit kompakter Bauweise

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19956522A1 (de) 1999-11-24 2001-06-07 Bosch Gmbh Robert Injektor für unter Hochdruck erfolgender Kraftstoffeinspritzung
US6499467B1 (en) * 2000-03-31 2002-12-31 Cummins Inc. Closed nozzle fuel injector with improved controllabilty
DE10149961A1 (de) * 2001-10-10 2003-04-30 Bosch Gmbh Robert Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine, insbesondere Common-Rail-Injektor, sowie Kraftstoffsystem und Brennkraftmaschine
DE10346212A1 (de) * 2003-10-06 2005-04-21 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102004015746A1 (de) * 2004-03-31 2005-10-13 Robert Bosch Gmbh Kraftstoffeinspritzventil
WO2008015039A1 (fr) * 2006-08-04 2008-02-07 Robert Bosch Gmbh Injecteur pour un système d'injection de carburant

Also Published As

Publication number Publication date
EP2294308A1 (fr) 2011-03-16
EP2439398B1 (fr) 2014-07-16
DE102008002522A1 (de) 2009-12-24
WO2009153086A1 (fr) 2009-12-23

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