EP1088985A3 - Injecteur de carburant pour injection directe dans un moteur à combustion interne - Google Patents

Injecteur de carburant pour injection directe dans un moteur à combustion interne Download PDF

Info

Publication number
EP1088985A3
EP1088985A3 EP00121484A EP00121484A EP1088985A3 EP 1088985 A3 EP1088985 A3 EP 1088985A3 EP 00121484 A EP00121484 A EP 00121484A EP 00121484 A EP00121484 A EP 00121484A EP 1088985 A3 EP1088985 A3 EP 1088985A3
Authority
EP
European Patent Office
Prior art keywords
bore
control piston
nozzle
injector
combustion engine
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
EP00121484A
Other languages
German (de)
English (en)
Other versions
EP1088985B1 (fr
EP1088985A2 (fr
Inventor
Ulrich Dr. Augustin
Dirk Dr. Baranowski
Wilhelm Frank
Wendelin KLÜGL
Günter LEWENTZ
Heinz Lixl
Gerd Dr. Schmutzler
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP1088985A2 publication Critical patent/EP1088985A2/fr
Publication of EP1088985A3 publication Critical patent/EP1088985A3/fr
Application granted granted Critical
Publication of EP1088985B1 publication Critical patent/EP1088985B1/fr
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
    • 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
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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

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)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
EP20000121484 1999-09-29 2000-09-29 Injecteur de carburant pour injection directe dans un moteur à combustion interne Expired - Lifetime EP1088985B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19946766 1999-09-29
DE1999146766 DE19946766C2 (de) 1999-09-29 1999-09-29 Injektor für eine Brennkraftmaschine mit Direkteinspritzung

Publications (3)

Publication Number Publication Date
EP1088985A2 EP1088985A2 (fr) 2001-04-04
EP1088985A3 true EP1088985A3 (fr) 2003-11-19
EP1088985B1 EP1088985B1 (fr) 2006-03-22

Family

ID=7923774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000121484 Expired - Lifetime EP1088985B1 (fr) 1999-09-29 2000-09-29 Injecteur de carburant pour injection directe dans un moteur à combustion interne

Country Status (2)

Country Link
EP (1) EP1088985B1 (fr)
DE (2) DE19946766C2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10132450B4 (de) * 2001-07-04 2010-02-11 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE10154576C1 (de) * 2001-11-07 2003-04-17 Bosch Gmbh Robert Kraftstoffinjektor mit düsennaher Magnetventilanordnung
DE10160263A1 (de) * 2001-12-07 2003-06-18 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10205185A1 (de) * 2002-02-08 2003-08-21 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10240440C1 (de) * 2002-09-02 2003-12-24 Siemens Ag Krafstoffinjektor, insbesondere Common-Rail-Dieselinjektor
DE10253721A1 (de) * 2002-11-19 2004-06-03 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
JP3891974B2 (ja) 2003-10-01 2007-03-14 株式会社日本自動車部品総合研究所 燃料噴射弁
DE102004024119B4 (de) * 2004-05-14 2006-04-20 Siemens Ag Düsenbaugruppe und Einspritzventil
AT500774B8 (de) * 2004-08-06 2007-02-15 Bosch Gmbh Robert Vorrichtung zum einspritzen von kraftstoff in den brennraum einer brennkraftmaschine
DE102006029392A1 (de) * 2006-06-27 2008-01-03 Robert Bosch Gmbh Injektor
DE102007035752A1 (de) * 2007-07-31 2009-02-05 Robert Bosch Gmbh Kraftstoffinjektor mit einer auf dem Kegelventilsitz einer Düsennadel aufsitzenden Zentrierhülse als Führung für die Düsennadel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4826080A (en) * 1985-12-02 1989-05-02 Ganser Marco A Fuel injection device for internal combustion engines
DE4203343C1 (en) * 1992-02-06 1993-05-19 Mtu Friedrichshafen Gmbh IC engine fuel injection nozzle - has combustion chamber facing openings or spray holes coverable by peripheral closure wall parts
US5671715A (en) * 1995-04-27 1997-09-30 Nipon Soken, Inc. Fuel injection device
US5860597A (en) * 1997-03-24 1999-01-19 Cummins Engine Company, Inc. Injection rate shaping nozzle assembly for a fuel injector
EP0921301A2 (fr) * 1997-12-06 1999-06-09 LUCAS INDUSTRIES public limited company Injecteur de combustible

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4826080A (en) * 1985-12-02 1989-05-02 Ganser Marco A Fuel injection device for internal combustion engines
DE4203343C1 (en) * 1992-02-06 1993-05-19 Mtu Friedrichshafen Gmbh IC engine fuel injection nozzle - has combustion chamber facing openings or spray holes coverable by peripheral closure wall parts
US5671715A (en) * 1995-04-27 1997-09-30 Nipon Soken, Inc. Fuel injection device
US5860597A (en) * 1997-03-24 1999-01-19 Cummins Engine Company, Inc. Injection rate shaping nozzle assembly for a fuel injector
EP0921301A2 (fr) * 1997-12-06 1999-06-09 LUCAS INDUSTRIES public limited company Injecteur de combustible

Also Published As

Publication number Publication date
EP1088985B1 (fr) 2006-03-22
DE19946766A1 (de) 2001-04-26
DE19946766C2 (de) 2001-07-26
DE50012433D1 (de) 2006-05-11
EP1088985A2 (fr) 2001-04-04

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