EP0976924A3 - Servovalve pour un injecteur et injecteur - Google Patents

Servovalve pour un injecteur et injecteur Download PDF

Info

Publication number
EP0976924A3
EP0976924A3 EP99112980A EP99112980A EP0976924A3 EP 0976924 A3 EP0976924 A3 EP 0976924A3 EP 99112980 A EP99112980 A EP 99112980A EP 99112980 A EP99112980 A EP 99112980A EP 0976924 A3 EP0976924 A3 EP 0976924A3
Authority
EP
European Patent Office
Prior art keywords
valve
chamber
injection
injector
servo valve
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
EP99112980A
Other languages
German (de)
English (en)
Other versions
EP0976924B1 (fr
EP0976924A2 (fr
Inventor
Heinz Lixl
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 EP0976924A2 publication Critical patent/EP0976924A2/fr
Publication of EP0976924A3 publication Critical patent/EP0976924A3/fr
Application granted granted Critical
Publication of EP0976924B1 publication Critical patent/EP0976924B1/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
    • 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
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
    • 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
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
    • F02M63/0036—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
    • 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
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0045—Three-way valves

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)
EP99112980A 1998-07-31 1999-07-05 Injecteur avec une servovalve Expired - Lifetime EP0976924B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19834667 1998-07-31
DE19834667 1998-07-31

Publications (3)

Publication Number Publication Date
EP0976924A2 EP0976924A2 (fr) 2000-02-02
EP0976924A3 true EP0976924A3 (fr) 2001-06-13
EP0976924B1 EP0976924B1 (fr) 2003-09-17

Family

ID=7876057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99112980A Expired - Lifetime EP0976924B1 (fr) 1998-07-31 1999-07-05 Injecteur avec une servovalve

Country Status (2)

Country Link
EP (1) EP0976924B1 (fr)
DE (1) DE59906995D1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19939450A1 (de) * 1999-08-20 2001-03-01 Bosch Gmbh Robert Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen
JP4048699B2 (ja) * 1999-11-10 2008-02-20 株式会社デンソー 燃料噴射弁
DE10015268A1 (de) 2000-03-28 2001-10-04 Siemens Ag Einspritzventil mit Bypaßdrossel
DE10024703A1 (de) * 2000-05-18 2001-11-22 Bosch Gmbh Robert Einspritzanordnung für ein Kraftstoff-Speichereinspritzsystem einer Verbrennungsmaschine
DE10024702A1 (de) * 2000-05-18 2001-11-22 Bosch Gmbh Robert Einspritzanordnung für ein Kraftstoff-Speichereinspritzsystem einer Verbrennungsmaschine
DE10063698A1 (de) 2000-12-20 2002-07-04 Siemens Ag Hochdruckeinspritzsystem mit Ausführung einer Steuerdrossel als Kaskadendrossel
JP3556921B2 (ja) * 2001-04-27 2004-08-25 株式会社日本自動車部品総合研究所 燃料噴射弁
DE10123775B4 (de) * 2001-05-16 2005-01-20 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für Brennkraftmaschinen, insbesondere Common-Rail-Injektor, sowie Kraftstoffsystem und Brennkraftmaschine
DE10131642A1 (de) * 2001-06-29 2003-01-16 Bosch Gmbh Robert Kraftstoffinjektor mit variabler Steuerraumdruckbeaufschlagung
DE10131619A1 (de) * 2001-06-29 2003-01-23 Bosch Gmbh Robert Kraftstoffinjektor mit Einspritzverlaufsformung
DE10131618A1 (de) * 2001-06-29 2003-01-23 Bosch Gmbh Robert Kraftstoffinjektor mit zuschaltbarem Steuerraumzulauf
DE10131640A1 (de) * 2001-06-29 2003-01-16 Bosch Gmbh Robert Kraftstoffinjektor mit Einspritzverlaufsformung durch schaltbare Drosselelemente
DE10132249A1 (de) * 2001-07-04 2003-01-23 Bosch Gmbh Robert Kraftstoffinjektor mit kraftausgeglichenem Steuerventil
JP3864764B2 (ja) * 2001-11-22 2007-01-10 株式会社デンソー 燃料噴射弁
US7331329B2 (en) 2002-07-15 2008-02-19 Caterpillar Inc. Fuel injector with directly controlled highly efficient nozzle assembly and fuel system using same
DE102005046743B3 (de) * 2005-09-29 2007-05-16 Siemens Ag Verfahren zur Ermittlung des Zeitpunktes des Anschlags eines Ventilkörpers in einem von einem elektromechanischen Aktor betätigten Ablaufventil
ZA200807310B (en) 2006-03-03 2009-11-25 Ganser Hydromag Fuel injection valve for internal combustion engines
DE102010001612A1 (de) * 2010-02-05 2011-08-11 Robert Bosch GmbH, 70469 Kraftstoffinjektor
DE102011015753A1 (de) 2011-03-31 2012-10-04 Raphael Füchslin Einspritzventil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0199632A1 (fr) * 1985-04-19 1986-10-29 Societe Alsacienne De Constructions Mecaniques De Mulhouse Système d'injection de combustible pour moteur diesel
EP0426205A2 (fr) * 1985-12-02 1991-05-08 Marco Alfredo Ganser Dispositif de commande d'injecteurs de combustible actionnés électro-hydrauliquement
EP0740067A2 (fr) * 1995-04-27 1996-10-30 Isuzu Motors Limited Système d'injection de combustible du type à accumulateur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0199632A1 (fr) * 1985-04-19 1986-10-29 Societe Alsacienne De Constructions Mecaniques De Mulhouse Système d'injection de combustible pour moteur diesel
EP0426205A2 (fr) * 1985-12-02 1991-05-08 Marco Alfredo Ganser Dispositif de commande d'injecteurs de combustible actionnés électro-hydrauliquement
EP0740067A2 (fr) * 1995-04-27 1996-10-30 Isuzu Motors Limited Système d'injection de combustible du type à accumulateur

Also Published As

Publication number Publication date
EP0976924B1 (fr) 2003-09-17
EP0976924A2 (fr) 2000-02-02
DE59906995D1 (de) 2003-10-23

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