DE69923516D1 - Piezoelektrisches Stellglied und Kraftstoffeinspritzvorrichtung mit dem Stellglied - Google Patents

Piezoelektrisches Stellglied und Kraftstoffeinspritzvorrichtung mit dem Stellglied

Info

Publication number
DE69923516D1
DE69923516D1 DE69923516T DE69923516T DE69923516D1 DE 69923516 D1 DE69923516 D1 DE 69923516D1 DE 69923516 T DE69923516 T DE 69923516T DE 69923516 T DE69923516 T DE 69923516T DE 69923516 D1 DE69923516 D1 DE 69923516D1
Authority
DE
Germany
Prior art keywords
actuator
fuel injector
piezoelectric
piezoelectric actuator
injector
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.)
Expired - Fee Related
Application number
DE69923516T
Other languages
English (en)
Other versions
DE69923516T2 (de
Inventor
Shigehisa Takase
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.)
Isuzu Motors Ltd
Original Assignee
Isuzu Motors Ltd
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 Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Publication of DE69923516D1 publication Critical patent/DE69923516D1/de
Application granted granted Critical
Publication of DE69923516T2 publication Critical patent/DE69923516T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H02N2/06—Drive circuits; Control arrangements or methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • 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
    • F02M63/0035—Poppet valves, i.e. having a mushroom-shaped valve member that moves perpendicularly to the plane of the valve seat
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped

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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
DE69923516T 1998-07-01 1999-06-29 Piezoelektrisches Stellglied und Kraftstoffeinspritzvorrichtung mit dem Stellglied Expired - Fee Related DE69923516T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18666598 1998-07-01
JP10186665A JP2000023474A (ja) 1998-07-01 1998-07-01 圧電アクチュエータ及びそれを用いた燃料噴射装置

Publications (2)

Publication Number Publication Date
DE69923516D1 true DE69923516D1 (de) 2005-03-10
DE69923516T2 DE69923516T2 (de) 2006-02-09

Family

ID=16192535

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69923516T Expired - Fee Related DE69923516T2 (de) 1998-07-01 1999-06-29 Piezoelektrisches Stellglied und Kraftstoffeinspritzvorrichtung mit dem Stellglied

Country Status (4)

Country Link
US (1) US6155500A (de)
EP (1) EP0995899B1 (de)
JP (1) JP2000023474A (de)
DE (1) DE69923516T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6886898B2 (en) * 2001-11-30 2005-05-03 Sharp Kabushiki Kaisha Driving method of piezoelectric elements, ink-jet head, and ink-jet printer
US6760212B2 (en) * 2002-09-23 2004-07-06 Delphi Technologies, Inc. Piezoelectric injector drive circuit
US6811093B2 (en) * 2002-10-17 2004-11-02 Tecumseh Products Company Piezoelectric actuated fuel injectors
DE102004062073B4 (de) * 2004-12-23 2015-08-13 Continental Automotive Gmbh Verfahren und Vorrichtung zur Kompensation von Prelleffekten in einem piezogesteuerten Einspritzsystem einer Verbrennungskraftmaschine
HUE025390T2 (en) 2006-05-23 2016-02-29 Delphi Int Operations Luxembourg Sarl A method for operating a fuel injector
GB0616713D0 (en) * 2006-08-23 2006-10-04 Delphi Tech Inc Piezoelectric fuel injectors
DE602007003554D1 (de) * 2007-02-02 2010-01-14 Delphi Tech Inc Verfahren zum Betrieb eines piezoelektrischen Aktors
JP2009089517A (ja) * 2007-09-28 2009-04-23 Olympus Corp 超音波モータの駆動装置
DE102008040412A1 (de) * 2008-03-18 2009-09-24 Robert Bosch Gmbh Verfahren zur Prellunterdrückung eines durch einen Piezoaktor geschalteten Ventils
DE102010063667B4 (de) * 2010-12-21 2018-11-22 Continental Automotive Gmbh Geräuschreduzierendes Ansteuerverfahren für einen Piezoaktor in einem Injektor
JP5752410B2 (ja) * 2010-12-27 2015-07-22 株式会社 Ａｃｒ ディーゼルエンジン用のユニットインジェクタ
KR102017367B1 (ko) * 2012-04-20 2019-09-02 가부시끼가이샤 사따께 압전식 밸브 및 그 압전식 밸브를 이용한 분풍 수단을 구비하는 광학식 입상물 선별기
DE102012214565B4 (de) * 2012-08-16 2015-04-02 Continental Automotive Gmbh Verfahren und Vorrichtung zum Betreiben eines Einspritzventils
JP6011193B2 (ja) * 2012-09-21 2016-10-19 Tdk株式会社 駆動装置
DE102013201780B3 (de) * 2013-02-04 2014-02-27 Continental Automotive Gmbh Verfahren zum Ermitteln der Kraftstofftemperatur
US11362258B2 (en) 2016-06-29 2022-06-14 Koninklijke Philips N.V. EAP actuator and drive method
DE102017218869A1 (de) * 2017-10-23 2019-04-25 Robert Bosch Gmbh Injektor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4641053A (en) * 1984-08-14 1987-02-03 Matsushita Seiko Co., Ltd. Ultrasonic liquid atomizer with an improved soft start circuit
JPS6372381A (ja) * 1986-09-17 1988-04-02 株式会社日本自動車部品総合研究所 容量性負荷の駆動方法
JPH01187363A (ja) * 1988-01-21 1989-07-26 Toyota Motor Corp 内燃機関用燃料噴射弁
JP3740733B2 (ja) * 1996-02-13 2006-02-01 いすゞ自動車株式会社 内燃機関の燃料噴射装置
JP3823391B2 (ja) * 1996-08-31 2006-09-20 いすゞ自動車株式会社 エンジンの燃料噴射装置

Also Published As

Publication number Publication date
JP2000023474A (ja) 2000-01-21
US6155500A (en) 2000-12-05
DE69923516T2 (de) 2006-02-09
EP0995899A2 (de) 2000-04-26
EP0995899B1 (de) 2005-02-02
EP0995899A3 (de) 2001-05-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee