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WO2009057489A1 - 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
WO2009057489A1
WO2009057489A1 PCT/JP2008/069092 JP2008069092W WO2009057489A1 WO 2009057489 A1 WO2009057489 A1 WO 2009057489A1 JP 2008069092 W JP2008069092 W JP 2008069092W WO 2009057489 A1 WO2009057489 A1 WO 2009057489A1
Authority
WO
WIPO (PCT)
Prior art keywords
piezoelectric element
laminated piezoelectric
metal
layer
layers
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.)
Ceased
Application number
PCT/JP2008/069092
Other languages
English (en)
French (fr)
Inventor
Takeshi Okamura
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.)
Kyocera Corp
Original Assignee
Kyocera 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.)
Filing date
Publication date
Application filed by Kyocera Corp filed Critical Kyocera Corp
Priority to US12/740,102 priority Critical patent/US8405278B2/en
Priority to EP08845179.4A priority patent/EP2216836B1/en
Priority to JP2009539024A priority patent/JP5090462B2/ja
Priority to CN200880113805.XA priority patent/CN101842915B/zh
Publication of WO2009057489A1 publication Critical patent/WO2009057489A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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

  • Fuel-Injection Apparatus (AREA)

Abstract

　高電界、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位が抑制され、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、空隙を介して互いに離隔する複数の金属部と、該金属部の側面の少なくとも一部を被覆する被覆層とを有している。
PCT/JP2008/069092 2007-10-29 2008-10-22 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 Ceased WO2009057489A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/740,102 US8405278B2 (en) 2007-10-29 2008-10-22 Multi-layer piezoelectric element, ejection device having the element, and fuel ejection system
EP08845179.4A EP2216836B1 (en) 2007-10-29 2008-10-22 Laminated piezoelectric element, injection device having the element, and fuel injection system
JP2009539024A JP5090462B2 (ja) 2007-10-29 2008-10-22 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
CN200880113805.XA CN101842915B (zh) 2007-10-29 2008-10-22 层叠型压电元件、具备其的喷射装置及燃料喷射系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007280308 2007-10-29
JP2007-280308 2007-10-29

Publications (1)

Publication Number Publication Date
WO2009057489A1 true WO2009057489A1 (ja) 2009-05-07

Family

ID=40590880

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/069092 Ceased WO2009057489A1 (ja) 2007-10-29 2008-10-22 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) US8405278B2 (ja)
EP (1) EP2216836B1 (ja)
JP (1) JP5090462B2 (ja)
CN (1) CN101842915B (ja)
WO (1) WO2009057489A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7791256B2 (en) * 2003-09-24 2010-09-07 Kyocera Corporation Multi-layer piezoelectric element
DE102006026644A1 (de) * 2006-06-08 2007-12-13 Robert Bosch Gmbh Piezoelektrischer Aktor
JP5055370B2 (ja) * 2007-08-29 2012-10-24 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
EP2190042A4 (en) * 2007-09-18 2012-04-11 Kyocera Corp STACKED PIEZOELECTRIC ELEMENT AND NOZZLE DEVICE AND FUEL NOZZLE SYSTEM THEREWITH
CN101785125B (zh) * 2007-09-27 2012-07-18 京瓷株式会社 层叠型压电元件、具有其的喷射装置及燃料喷射系统
CN101878551A (zh) * 2007-11-28 2010-11-03 京瓷株式会社 层叠型压电元件及其制造方法、及喷射装置及燃料喷射系统
US8405287B2 (en) * 2007-11-28 2013-03-26 Kyocera Corporation Laminated piezoelectric element, injection device having the element, and fuel injection system
CN102473834A (zh) * 2009-07-28 2012-05-23 京瓷株式会社 层叠型压电元件及使用该层叠型压电元件的喷射装置以及燃料喷射系统
JP5920688B2 (ja) 2011-04-07 2016-05-18 学校法人福岡工業大学 コロイダルダンパー
WO2014168188A1 (ja) * 2013-04-10 2014-10-16 三井化学株式会社 積層体

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04299588A (ja) * 1991-03-28 1992-10-22 Nec Corp 電歪効果素子
WO2003061023A1 (en) * 2002-01-11 2003-07-24 Ngk Insulators, Ltd. Piezoelectric/ electrostrictive device and its production method
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
US7554251B2 (en) * 2004-03-09 2009-06-30 Kyocera Corporation Multi-layer piezoelectric element and method for manufacturing the same
CN102651448B (zh) * 2005-06-15 2016-02-24 京瓷株式会社 层叠型压电元件及使用其的喷射装置
EP1930962B1 (en) * 2005-08-29 2013-03-20 Kyocera Corporation Layered piezoelectric element and injection device using the same
WO2007037377A1 (ja) * 2005-09-29 2007-04-05 Kyocera Corporation 積層型圧電素子およびこれを用いた噴射装置
EP2190042A4 (en) * 2007-09-18 2012-04-11 Kyocera Corp STACKED PIEZOELECTRIC ELEMENT AND NOZZLE DEVICE AND FUEL NOZZLE SYSTEM THEREWITH
US8405287B2 (en) * 2007-11-28 2013-03-26 Kyocera Corporation Laminated piezoelectric element, injection device having the element, and fuel injection system

Patent Citations (4)

* 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
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)

* Cited by examiner, † Cited by third party
Title
See also references of EP2216836A4

Also Published As

Publication number Publication date
EP2216836A4 (en) 2013-03-27
JPWO2009057489A1 (ja) 2011-03-10
EP2216836A1 (en) 2010-08-11
US20100294853A1 (en) 2010-11-25
CN101842915A (zh) 2010-09-22
US8405278B2 (en) 2013-03-26
CN101842915B (zh) 2013-03-13
EP2216836B1 (en) 2014-12-10
JP5090462B2 (ja) 2012-12-05

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