WO2009028444A1 - 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム - Google Patents

積層型圧電素子、これを備えた噴射装置及び燃料噴射システム Download PDF

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Publication number
WO2009028444A1
WO2009028444A1 PCT/JP2008/065085 JP2008065085W WO2009028444A1 WO 2009028444 A1 WO2009028444 A1 WO 2009028444A1 JP 2008065085 W JP2008065085 W JP 2008065085W WO 2009028444 A1 WO2009028444 A1 WO 2009028444A1
Authority
WO
WIPO (PCT)
Prior art keywords
piezoelectric element
laminated piezoelectric
piezoelectric
metal
laminated
Prior art date
Application number
PCT/JP2008/065085
Other languages
English (en)
French (fr)
Inventor
Takeshi Okamura
Original Assignee
Kyocera Corporation
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 Kyocera Corporation filed Critical Kyocera Corporation
Priority to CN2008801048373A priority Critical patent/CN101790803B/zh
Priority to EP08792693.7A priority patent/EP2194592B1/en
Priority to US12/675,387 priority patent/US8450908B2/en
Priority to JP2009530099A priority patent/JP5055370B2/ja
Publication of WO2009028444A1 publication Critical patent/WO2009028444A1/ja

Links

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
    • H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • H10N30/508—Piezoelectric or electrostrictive devices having a stacked or multilayer structure adapted for alleviating internal stress, e.g. cracking control layers
    • 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
    • H10N30/01—Manufacture or treatment
    • H10N30/05—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes
    • H10N30/053—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes by integrally sintering piezoelectric or electrostrictive bodies and electrodes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

　高電圧、高圧力下で長時間連続駆動させた場合であっても変位量の変化が抑制され、耐久性に優れた積層型圧電素子を提供する。 　その積層型圧電素子は、複数の圧電体層と複数の金属層とが交互に積層された積層構造体を有し、複数の金属層が、内部電極と、圧電体層及び内部電極と比較して剛性が低い低剛性金属層と、を備え、低剛性金属層が、互いに離隔した複数の金属部を有し、その金属部の少なくとも１つが、積層方向に隣り合う２つの圧電体層のうち、一方の圧電体層とのみ接合されている。
PCT/JP2008/065085 2007-08-29 2008-08-25 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム WO2009028444A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2008801048373A CN101790803B (zh) 2007-08-29 2008-08-25 层叠型压电元件、具备该层叠型压电元件的喷射装置及燃料喷射系统
EP08792693.7A EP2194592B1 (en) 2007-08-29 2008-08-25 Laminated piezoelectric element, and jetting apparatus and fuel jetting system provided with laminated piezoelectric element
US12/675,387 US8450908B2 (en) 2007-08-29 2008-08-25 Multi-layer piezoelectric element with metal parts or ceramic parts bonded to only one piezoelectric material layer
JP2009530099A JP5055370B2 (ja) 2007-08-29 2008-08-25 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007223214 2007-08-29
JP2007-223214 2007-08-29

Publications (1)

Publication Number Publication Date
WO2009028444A1 true WO2009028444A1 (ja) 2009-03-05

Family

ID=40387164

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/065085 WO2009028444A1 (ja) 2007-08-29 2008-08-25 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム

Country Status (5)

Country Link
US (1) US8450908B2 (ja)
EP (2) EP2194592B1 (ja)
JP (1) JP5055370B2 (ja)
CN (1) CN101790803B (ja)
WO (1) WO2009028444A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011249659A (ja) * 2010-05-28 2011-12-08 Kyocera Corp 圧電素子、これを備えた噴射装置及び燃料噴射システム

Families Citing this family (10)

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Publication number Priority date Publication date Assignee Title
JP5052618B2 (ja) * 2007-09-18 2012-10-17 京セラ株式会社 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム
JP5905292B2 (ja) * 2012-02-21 2016-04-20 日本碍子株式会社 圧電素子及び圧電素子の製造方法
US8780503B2 (en) * 2012-10-16 2014-07-15 Seagate Technology Llc Multi-layer piezoelectric transducer with inactive layers
US9070394B1 (en) * 2013-03-18 2015-06-30 Magnecomp Corporation Suspension microactuator with wrap-around electrode on inactive constraining layer
US10607642B2 (en) 2013-03-18 2020-03-31 Magnecomp Corporation Multi-layer PZT microactuator with active PZT constraining layers for a DSA suspension
US9741376B1 (en) 2013-03-18 2017-08-22 Magnecomp Corporation Multi-layer PZT microactuator having a poled but inactive PZT constraining layer
US11205449B2 (en) 2013-03-18 2021-12-21 Magnecomp Corporation Multi-layer PZT microacuator with active PZT constraining layers for a DSA suspension
US9330698B1 (en) 2013-03-18 2016-05-03 Magnecomp Corporation DSA suspension having multi-layer PZT microactuator with active PZT constraining layers
US10128431B1 (en) 2015-06-20 2018-11-13 Magnecomp Corporation Method of manufacturing a multi-layer PZT microactuator using wafer-level processing
US11594668B2 (en) * 2018-12-28 2023-02-28 Tdk Corporation Thin film laminate, thin film device and multilayer substrate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005129871A (ja) * 2003-10-27 2005-05-19 Kyocera Corp 積層型圧電素子及びこれを用いた噴射装置
JP2006013437A (ja) * 2004-05-27 2006-01-12 Kyocera Corp 積層型圧電素子およびその製造方法ならびにこれを用いた噴射装置
JP2006518934A (ja) * 2003-02-24 2006-08-17 エプコス　アクチエンゲゼルシャフト 電気的な多層構成部材及び層スタック
JP2007027692A (ja) * 2005-06-15 2007-02-01 Kyocera Corp 積層型圧電素子およびこれを用いた噴射装置
JP2007043094A (ja) * 2005-06-28 2007-02-15 Kyocera Corp 積層型圧電素子およびこれを用いた噴射装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4803956B2 (ja) * 2003-09-25 2011-10-26 京セラ株式会社 圧電セラミックスおよびこれを用いた積層型圧電素子並びに噴射装置
WO2005041316A1 (ja) * 2003-10-27 2005-05-06 Kyocera Corporation 積層型圧電素子
US7554251B2 (en) * 2004-03-09 2009-06-30 Kyocera Corporation Multi-layer piezoelectric element and method for manufacturing the same
DE102004050803A1 (de) * 2004-10-19 2006-04-20 Robert Bosch Gmbh Piezoaktor
JP4885869B2 (ja) * 2005-09-29 2012-02-29 京セラ株式会社 積層型圧電素子およびこれを用いた噴射装置
US8007903B2 (en) * 2006-02-27 2011-08-30 Kyocera Corporation Method for manufacturing ceramic member, and ceramic member, gas sensor device, fuel cell device, filter device, multi-layer piezoelectric device, injection apparatus and fuel injection system
JP5050165B2 (ja) * 2006-10-31 2012-10-17 京セラ株式会社 積層型圧電素子およびこれを用いた噴射装置
JP5052618B2 (ja) * 2007-09-18 2012-10-17 京セラ株式会社 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム
JP5090462B2 (ja) * 2007-10-29 2012-12-05 京セラ株式会社 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム
JP5090466B2 (ja) * 2007-11-28 2012-12-05 京セラ株式会社 積層型圧電素子、これを備えた噴射装置及び燃料噴射システム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006518934A (ja) * 2003-02-24 2006-08-17 エプコス　アクチエンゲゼルシャフト 電気的な多層構成部材及び層スタック
JP2005129871A (ja) * 2003-10-27 2005-05-19 Kyocera Corp 積層型圧電素子及びこれを用いた噴射装置
JP2006013437A (ja) * 2004-05-27 2006-01-12 Kyocera Corp 積層型圧電素子およびその製造方法ならびにこれを用いた噴射装置
JP2007027692A (ja) * 2005-06-15 2007-02-01 Kyocera Corp 積層型圧電素子およびこれを用いた噴射装置
JP2007043094A (ja) * 2005-06-28 2007-02-15 Kyocera Corp 積層型圧電素子およびこれを用いた噴射装置

Non-Patent Citations (1)

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Title
See also references of EP2194592A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011249659A (ja) * 2010-05-28 2011-12-08 Kyocera Corp 圧電素子、これを備えた噴射装置及び燃料噴射システム

Also Published As

Publication number Publication date
EP2800158B1 (en) 2016-01-06
EP2194592B1 (en) 2015-03-25
US20100276511A1 (en) 2010-11-04
US8450908B2 (en) 2013-05-28
JP5055370B2 (ja) 2012-10-24
CN101790803A (zh) 2010-07-28
EP2800158A1 (en) 2014-11-05
EP2194592A1 (en) 2010-06-09
CN101790803B (zh) 2012-07-18
JPWO2009028444A1 (ja) 2010-12-02
EP2194592A4 (en) 2012-12-26

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