ATE236354T1 - Betätigungseinrichtung - Google Patents

Betätigungseinrichtung

Info

Publication number
ATE236354T1
ATE236354T1 AT00309492T AT00309492T ATE236354T1 AT E236354 T1 ATE236354 T1 AT E236354T1 AT 00309492 T AT00309492 T AT 00309492T AT 00309492 T AT00309492 T AT 00309492T AT E236354 T1 ATE236354 T1 AT E236354T1
Authority
AT
Austria
Prior art keywords
piston member
piezoelectric element
fluid
control chamber
chamber
Prior art date
Application number
AT00309492T
Other languages
English (en)
Inventor
Martin Paul Hardy
Michael Peter Cooke
Andrew John Hargreaves
Original Assignee
Delphi Tech Inc
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 Delphi Tech Inc filed Critical Delphi Tech Inc
Application granted granted Critical
Publication of ATE236354T1 publication Critical patent/ATE236354T1/de

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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • 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
    • F02M47/04—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure using fluid, other than fuel, for injection-valve actuation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
    • H02N2/04—Constructional details
    • H02N2/043—Mechanical transmission means, e.g. for stroke amplification
    • 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
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Actuator (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Driven Valves (AREA)
  • Fluid-Damping Devices (AREA)
AT00309492T 1999-10-28 2000-10-27 Betätigungseinrichtung ATE236354T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9925410.4A GB9925410D0 (en) 1999-10-28 1999-10-28 Actuator arrangement

Publications (1)

Publication Number Publication Date
ATE236354T1 true ATE236354T1 (de) 2003-04-15

Family

ID=10863470

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00309492T ATE236354T1 (de) 1999-10-28 2000-10-27 Betätigungseinrichtung

Country Status (5)

Country Link
US (1) US6464149B1 (de)
EP (1) EP1096137B1 (de)
AT (1) ATE236354T1 (de)
DE (1) DE60001893T2 (de)
GB (1) GB9925410D0 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003085253A1 (de) * 2002-04-04 2003-10-16 Siemens Aktiengesellschaft Einspritzventil
JP2004052619A (ja) * 2002-07-18 2004-02-19 Ngk Insulators Ltd 液体噴射装置
US7100577B2 (en) * 2004-06-14 2006-09-05 Westport Research Inc. Common rail directly actuated fuel injection valve with a pressurized hydraulic transmission device and a method of operating same
EP1783842B1 (de) 2005-11-04 2008-03-05 Delphi Technologies, Inc. Aktuatoranordnung
US7679273B2 (en) * 2006-07-31 2010-03-16 Delphi Technologies, Inc. Strain tolerant metal electrode design
US7721716B1 (en) 2008-07-16 2010-05-25 Harwood Michael R High pressure piezoelectric fuel injector
US9284930B2 (en) 2011-06-03 2016-03-15 Michael R. Harwood High pressure piezoelectric fuel injector

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011474A (en) * 1974-10-03 1977-03-08 Pz Technology, Inc. Piezoelectric stack insulation
US4635849A (en) * 1984-05-03 1987-01-13 Nippon Soken, Inc. Piezoelectric low-pressure fuel injector
DE3533085A1 (de) * 1985-09-17 1987-03-26 Bosch Gmbh Robert Zumessventil zur dosierung von fluessigkeiten oder gasen
JPH07101021B2 (ja) * 1986-11-07 1995-11-01 日本電装株式会社 シングルドライブ・多重ノズル式電子制御式圧電式燃料噴射装置
JPH01187363A (ja) * 1988-01-21 1989-07-26 Toyota Motor Corp 内燃機関用燃料噴射弁
US5004945A (en) * 1988-09-26 1991-04-02 Nippondenso Co., Ltd. Piezoelectric type actuator
DE4005455A1 (de) * 1989-02-28 1990-08-30 Volkswagen Ag Zumessventil, insbesondere kraftstoff-einspritzventil fuer eine brennkraftmaschine
US5031841A (en) 1989-02-28 1991-07-16 Volkswagen Ag Metering valve, particularly fuel injection valve
DE19519192C1 (de) * 1995-05-24 1996-06-05 Siemens Ag Einspritzventil
FR2743129B1 (fr) 1995-12-29 1998-02-13 Renault Clapet anti-retour a commande piezoelectrique
US5875764A (en) * 1998-05-13 1999-03-02 Siemens Aktiengesellschaft Apparatus and method for valve control

Also Published As

Publication number Publication date
EP1096137A2 (de) 2001-05-02
US6464149B1 (en) 2002-10-15
EP1096137A3 (de) 2002-01-30
DE60001893D1 (de) 2003-05-08
GB9925410D0 (en) 1999-12-29
EP1096137B1 (de) 2003-04-02
DE60001893T2 (de) 2004-01-29

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Legal Events

Date Code Title Description
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