JP4715864B2 - 圧電アクチュエータの検査方法及び検査装置。 - Google Patents

圧電アクチュエータの検査方法及び検査装置。 Download PDF

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Publication number
JP4715864B2
JP4715864B2 JP2008120944A JP2008120944A JP4715864B2 JP 4715864 B2 JP4715864 B2 JP 4715864B2 JP 2008120944 A JP2008120944 A JP 2008120944A JP 2008120944 A JP2008120944 A JP 2008120944A JP 4715864 B2 JP4715864 B2 JP 4715864B2
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JP
Japan
Prior art keywords
piezoelectric
piezoelectric element
mover
gap
movable element
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
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JP2008120944A
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English (en)
Japanese (ja)
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JP2009270473A (ja
Inventor
翔太郎 森
金男 武馬
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.)
Denso Corp
Original Assignee
Denso Corp
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.)
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Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to JP2008120944A priority Critical patent/JP4715864B2/ja
Priority to DE102009002875.7A priority patent/DE102009002875B4/de
Publication of JP2009270473A publication Critical patent/JP2009270473A/ja
Application granted granted Critical
Publication of JP4715864B2 publication Critical patent/JP4715864B2/ja
Expired - Fee Related legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/88—Mounts; Supports; Enclosures; Casings
    • 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
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus

Landscapes

  • Fuel-Injection Apparatus (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
JP2008120944A 2008-05-07 2008-05-07 圧電アクチュエータの検査方法及び検査装置。 Expired - Fee Related JP4715864B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008120944A JP4715864B2 (ja) 2008-05-07 2008-05-07 圧電アクチュエータの検査方法及び検査装置。
DE102009002875.7A DE102009002875B4 (de) 2008-05-07 2009-05-06 Verfahren und Gerät zur Überprüfung einer piezoelektrischen Betätigungsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008120944A JP4715864B2 (ja) 2008-05-07 2008-05-07 圧電アクチュエータの検査方法及び検査装置。

Publications (2)

Publication Number Publication Date
JP2009270473A JP2009270473A (ja) 2009-11-19
JP4715864B2 true JP4715864B2 (ja) 2011-07-06

Family

ID=41317911

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008120944A Expired - Fee Related JP4715864B2 (ja) 2008-05-07 2008-05-07 圧電アクチュエータの検査方法及び検査装置。

Country Status (2)

Country Link
JP (1) JP4715864B2 (de)
DE (1) DE102009002875B4 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012204252B3 (de) * 2012-03-19 2013-08-29 Continental Automotive Gmbh Verfahren zum Betreiben eines Kraftstoffeinspritzsystems mit Druckabbau und Kraftstoffeinspritzsystem mit Einspritzventil mit Servoventil
GB201406358D0 (en) * 2014-04-09 2014-05-21 Delphi Int Operations Lux Srl Method for the control and diagnosis regarding the operation a fuel injector
DE102015217193A1 (de) * 2015-09-09 2017-03-09 Continental Automotive Gmbh Erfassungsverfahren zum Erfassen einer Spaltgröße eines Spaltes zwischen einer Injektorventilbaugruppe und einem Piezostapel sowie Ansteuerungsverfahren zum Ansteuern einer Aktoreinheit in einem Piezostapel.
JP7363739B2 (ja) * 2020-10-22 2023-10-18 株式会社デンソー 圧電アクチュエータの検査装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0380581A (ja) * 1989-08-23 1991-04-05 Toyota Motor Corp 圧電式アクチュエータの製造装置
JP2002031010A (ja) * 2000-06-30 2002-01-31 Siemens Automotive Corp 燃料噴射器、燃焼噴射システム及び燃料噴射器の補償方法
JP2005533968A (ja) * 2002-07-20 2005-11-10 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 圧電式のアクチュエータモジュール、及びこの圧電式のアクチュエータモジュールを組み付けるための方法
JP2006214783A (ja) * 2005-02-02 2006-08-17 Denso Corp ピエゾアクチュエータの変位量の計測方法、及びピエゾアクチュエータの駆動装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10025985A1 (de) 2000-05-25 2001-11-29 Siemens Ag Verfahren und Vorrichtung zum Vermessen einer Kraft-Auslenkungs-Kennlinie eines Aktors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0380581A (ja) * 1989-08-23 1991-04-05 Toyota Motor Corp 圧電式アクチュエータの製造装置
JP2002031010A (ja) * 2000-06-30 2002-01-31 Siemens Automotive Corp 燃料噴射器、燃焼噴射システム及び燃料噴射器の補償方法
JP2005533968A (ja) * 2002-07-20 2005-11-10 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 圧電式のアクチュエータモジュール、及びこの圧電式のアクチュエータモジュールを組み付けるための方法
JP2006214783A (ja) * 2005-02-02 2006-08-17 Denso Corp ピエゾアクチュエータの変位量の計測方法、及びピエゾアクチュエータの駆動装置

Also Published As

Publication number Publication date
DE102009002875B4 (de) 2022-10-06
DE102009002875A1 (de) 2009-12-17
JP2009270473A (ja) 2009-11-19

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