EP0770776A1 - Soupape de dosage d'un injecteur de combustible - Google Patents

Soupape de dosage d'un injecteur de combustible Download PDF

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Publication number
EP0770776A1
EP0770776A1 EP96116113A EP96116113A EP0770776A1 EP 0770776 A1 EP0770776 A1 EP 0770776A1 EP 96116113 A EP96116113 A EP 96116113A EP 96116113 A EP96116113 A EP 96116113A EP 0770776 A1 EP0770776 A1 EP 0770776A1
Authority
EP
European Patent Office
Prior art keywords
opening
valve
seat
servo valve
piezo actuator
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
EP96116113A
Other languages
German (de)
English (en)
Other versions
EP0770776B1 (fr
Inventor
Gerd Dipl.-Ing. Huber
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.)
Daimler AG
Original Assignee
Daimler Benz AG
Institut fur Motorenbau Prof Huber 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 Daimler Benz AG, Institut fur Motorenbau Prof Huber GmbH filed Critical Daimler Benz AG
Publication of EP0770776A1 publication Critical patent/EP0770776A1/fr
Application granted granted Critical
Publication of EP0770776B1 publication Critical patent/EP0770776B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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

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)
EP96116113A 1995-10-27 1996-10-08 Soupape de dosage d'un injecteur de combustible Expired - Lifetime EP0770776B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19540155A DE19540155C2 (de) 1995-10-27 1995-10-27 Servoventil für eine Einspritzdüse
DE19540155 1995-10-27

Publications (2)

Publication Number Publication Date
EP0770776A1 true EP0770776A1 (fr) 1997-05-02
EP0770776B1 EP0770776B1 (fr) 2000-08-09

Family

ID=7776010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96116113A Expired - Lifetime EP0770776B1 (fr) 1995-10-27 1996-10-08 Soupape de dosage d'un injecteur de combustible

Country Status (6)

Country Link
US (1) US5819710A (fr)
EP (1) EP0770776B1 (fr)
JP (1) JPH09184463A (fr)
CN (1) CN1062493C (fr)
DE (2) DE19540155C2 (fr)
ES (1) ES2151627T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5792045A (en) * 1994-10-03 1998-08-11 Adair; Edwin L. Sterile surgical coupler and drape
WO1999006690A1 (fr) * 1997-07-30 1999-02-11 Robert Bosch Gmbh Dispositif d'injection de carburant pour moteurs a combustion interne
WO1999034113A1 (fr) * 1997-12-23 1999-07-08 Siemens Aktiengesellschaft Soupape d'injection comportant une surface de compensation
DE19823937A1 (de) * 1998-05-28 1999-12-02 Siemens Ag Servoventil für Kraftstoffeinspritzventil
DE19949528A1 (de) * 1999-10-14 2001-04-19 Bosch Gmbh Robert Doppelschaltendes Steuerventil für einen Injektor eines Kraftstoffeinspritzsystems für Brennkraftmaschinen mit hydraulischer Verstärkung des Aktors
WO2004053324A1 (fr) * 2002-12-11 2004-06-24 Robert Bosch Gmbh Soupape d'injection de carburant

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19727992C2 (de) * 1997-07-01 1999-05-20 Siemens Ag Ausgleichselement zur Kompensation temperaturbedingter Längenänderungen von elektromechanischen Stellsystemen
DE19826341A1 (de) * 1998-06-12 1999-12-16 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
DE19844996A1 (de) * 1998-09-30 2000-04-13 Siemens Ag Vorrichtung und Verfahren zur Dosierung von Fluid
DE19919665A1 (de) * 1999-04-29 2000-11-02 Volkswagen Ag Kraftstoffeinspritzvorrichtung
DE19925308A1 (de) * 1999-06-02 2000-12-14 Orange Gmbh Kraftstoffinjektor für eine Brennkraftmaschine
JP4038941B2 (ja) * 1999-08-02 2008-01-30 株式会社デンソー ピエゾインジェクタ
US6253736B1 (en) 1999-08-10 2001-07-03 Cummins Engine Company, Inc. Fuel injector nozzle assembly with feedback control
DE19946833C2 (de) * 1999-09-30 2002-02-21 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
DE19947772A1 (de) * 1999-10-05 2001-04-19 Hermann Golle Einspritzventil, insb. für Common-Rail-Einspritzsysteme
US6575138B2 (en) 1999-10-15 2003-06-10 Westport Research Inc. Directly actuated injection valve
US6298829B1 (en) 1999-10-15 2001-10-09 Westport Research Inc. Directly actuated injection valve
US6564777B2 (en) 1999-10-15 2003-05-20 Westport Research Inc. Directly actuated injection valve with a composite needle
US6584958B2 (en) 1999-10-15 2003-07-01 Westport Research Inc. Directly actuated injection valve with a ferromagnetic needle
DE19950224A1 (de) * 1999-10-19 2001-04-26 Bosch Gmbh Robert Doppelschaltendes Steuerventil für einen Injektor eines Kraftstoffeinspritzsystems für Brennkraftmaschinen mit kugelförmigem Stellglied
DE19952774B4 (de) * 1999-11-03 2004-03-11 Daimlerchrysler Ag Vorrichtung zum Ablassen von Fluid aus einem System
JP4048699B2 (ja) 1999-11-10 2008-02-20 株式会社デンソー 燃料噴射弁
US6313568B1 (en) 1999-12-01 2001-11-06 Cummins Inc. Piezoelectric actuator and valve assembly with thermal expansion compensation
DE10003863B4 (de) * 2000-01-28 2004-11-18 Robert Bosch Gmbh Einspritzdüse
US6257203B1 (en) * 2000-02-10 2001-07-10 International Truck And Engine Corporation Injector with variable needle valve opening pressure
DE10195948T1 (de) 2000-03-22 2003-07-10 Siemens Vdo Automotive Corp N Verfahren zum Steuern eines selbstabtastenden magnetostriktiven Stellgliedes
DE10024703A1 (de) * 2000-05-18 2001-11-22 Bosch Gmbh Robert Einspritzanordnung für ein Kraftstoff-Speichereinspritzsystem einer Verbrennungsmaschine
US6363913B1 (en) * 2000-06-09 2002-04-02 Caterpillar Inc. Solid state lift for micrometering in a fuel injector
JP4356268B2 (ja) 2000-06-26 2009-11-04 株式会社デンソー 燃料噴射装置
US6400066B1 (en) 2000-06-30 2002-06-04 Siemens Automotive Corporation Electronic compensator for a piezoelectric actuator
US6345771B1 (en) 2000-06-30 2002-02-12 Siemens Automotive Corporation Multiple stack piezoelectric actuator for a fuel injector
DE10044389A1 (de) * 2000-09-08 2002-04-04 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
DE10123775B4 (de) * 2001-05-16 2005-01-20 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für Brennkraftmaschinen, insbesondere Common-Rail-Injektor, sowie Kraftstoffsystem und Brennkraftmaschine
US6499471B2 (en) 2001-06-01 2002-12-31 Siemens Automotive Corporation Hydraulic compensator for a piezoelectrical fuel injector
DE10131631A1 (de) * 2001-06-29 2003-01-16 Bosch Gmbh Robert Kraftstoffinjektor mit hochdruckfestigkeitsoptimiertem Steuerraum
US6766965B2 (en) 2001-08-31 2004-07-27 Siemens Automotive Corporation Twin tube hydraulic compensator for a fuel injector
DE10142798C2 (de) * 2001-08-31 2003-07-31 Bosch Gmbh Robert Lagerung für ein Piezoaktormodul in einem Common-Rail-Injektor
DE10155718C2 (de) * 2001-11-13 2003-09-18 Hermann Golle Einspritzsystem für Dieselmotoren
US6837221B2 (en) 2001-12-11 2005-01-04 Cummins Inc. Fuel injector with feedback control
DE10315016A1 (de) * 2003-04-02 2004-10-28 Robert Bosch Gmbh Kraftstoffinjektor mit leckagefreiem Servoventil
JP4740870B2 (ja) * 2003-11-20 2011-08-03 バイキング テクノロジィーズ エル．シー． 電気機械アクチュエータの一体式熱補償
US7255290B2 (en) * 2004-06-14 2007-08-14 Charles B. Bright Very high speed rate shaping fuel injector
DE102005042342B4 (de) * 2005-09-06 2009-04-02 Continental Automotive Gmbh Einspritzventil mit separater Kraftstoffleitung
EP1760306A1 (fr) * 2005-09-06 2007-03-07 Siemens Aktiengesellschaft Corps de boîte
DE102009055362A1 (de) * 2009-12-29 2011-06-30 Robert Bosch GmbH, 70469 Einspritzventil für ein Fluid
GB2573522B (en) * 2018-05-08 2020-08-19 Delphi Tech Ip Ltd Method of identifying faults in the operation of hydraulic fuel injectors having accelerometers

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2087660A (en) * 1980-10-01 1982-05-26 Daimler Benz Ag Electrically activated control elements
US4550744A (en) * 1982-11-16 1985-11-05 Nippon Soken, Inc. Piezoelectric hydraulic control valve
US4570098A (en) * 1983-06-20 1986-02-11 Nippon Soken, Inc. Temperature compensated stack of piezoelectric elements
EP0199632A1 (fr) * 1985-04-19 1986-10-29 Societe Alsacienne De Constructions Mecaniques De Mulhouse Système d'injection de combustible pour moteur diesel
EP0304746A1 (fr) * 1987-08-25 1989-03-01 WEBER S.r.l. Soupape à injection de combustible commandée électromagnétiquement, pour moteurs à combustion interne
DE4406901A1 (de) * 1994-03-03 1995-09-14 Daimler Benz Ag Magnetventilgesteuerter Injektor für eine Brennkraftmaschine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1470166A (en) * 1973-05-12 1977-04-14 Cav Ltd Fuel injection pumping apparatus
US4649886A (en) * 1982-11-10 1987-03-17 Nippon Soken, Inc. Fuel injection system for an internal combustion engine
JPH01187363A (ja) * 1988-01-21 1989-07-26 Toyota Motor Corp 内燃機関用燃料噴射弁
JPH0286953A (ja) * 1988-09-21 1990-03-27 Kanesaka Gijutsu Kenkyusho:Kk 燃料噴射弁
JP2712760B2 (ja) * 1990-05-29 1998-02-16 トヨタ自動車株式会社 燃料噴射弁
DE4302668A1 (de) * 1993-01-30 1994-08-04 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
DE4340305C2 (de) * 1993-11-26 1998-02-19 Daimler Benz Ag Kraftstoffeinspritzdüse für eine Brennkraftmaschine
US5605134A (en) * 1995-04-13 1997-02-25 Martin; Tiby M. High pressure electronic common rail fuel injector and method of controlling a fuel injection event

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2087660A (en) * 1980-10-01 1982-05-26 Daimler Benz Ag Electrically activated control elements
US4550744A (en) * 1982-11-16 1985-11-05 Nippon Soken, Inc. Piezoelectric hydraulic control valve
US4570098A (en) * 1983-06-20 1986-02-11 Nippon Soken, Inc. Temperature compensated stack of piezoelectric elements
EP0199632A1 (fr) * 1985-04-19 1986-10-29 Societe Alsacienne De Constructions Mecaniques De Mulhouse Système d'injection de combustible pour moteur diesel
EP0304746A1 (fr) * 1987-08-25 1989-03-01 WEBER S.r.l. Soupape à injection de combustible commandée électromagnétiquement, pour moteurs à combustion interne
DE4406901A1 (de) * 1994-03-03 1995-09-14 Daimler Benz Ag Magnetventilgesteuerter Injektor für eine Brennkraftmaschine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5792045A (en) * 1994-10-03 1998-08-11 Adair; Edwin L. Sterile surgical coupler and drape
WO1999006690A1 (fr) * 1997-07-30 1999-02-11 Robert Bosch Gmbh Dispositif d'injection de carburant pour moteurs a combustion interne
WO1999034113A1 (fr) * 1997-12-23 1999-07-08 Siemens Aktiengesellschaft Soupape d'injection comportant une surface de compensation
US6186474B1 (en) 1997-12-23 2001-02-13 Siemens Aktiengesellschaft Injection valve with a compensating surface
DE19823937A1 (de) * 1998-05-28 1999-12-02 Siemens Ag Servoventil für Kraftstoffeinspritzventil
DE19823937B4 (de) * 1998-05-28 2004-12-23 Siemens Ag Servoventil für Kraftstoffeinspritzventil
DE19949528A1 (de) * 1999-10-14 2001-04-19 Bosch Gmbh Robert Doppelschaltendes Steuerventil für einen Injektor eines Kraftstoffeinspritzsystems für Brennkraftmaschinen mit hydraulischer Verstärkung des Aktors
WO2004053324A1 (fr) * 2002-12-11 2004-06-24 Robert Bosch Gmbh Soupape d'injection de carburant

Also Published As

Publication number Publication date
DE19540155A1 (de) 1997-04-30
DE19540155C2 (de) 2000-07-13
US5819710A (en) 1998-10-13
CN1062493C (zh) 2001-02-28
JPH09184463A (ja) 1997-07-15
CN1156216A (zh) 1997-08-06
ES2151627T3 (es) 2001-01-01
EP0770776B1 (fr) 2000-08-09
DE59605709D1 (de) 2000-09-14

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