BRPI0406714A - Atuador piezo - Google Patents

Atuador piezo

Info

Publication number
BRPI0406714A
BRPI0406714A BR0406714-2A BRPI0406714A BRPI0406714A BR PI0406714 A BRPI0406714 A BR PI0406714A BR PI0406714 A BRPI0406714 A BR PI0406714A BR PI0406714 A BRPI0406714 A BR PI0406714A
Authority
BR
Brazil
Prior art keywords
piezo
actuator
layers
piezo actuator
activation
Prior art date
Application number
BR0406714-2A
Other languages
English (en)
Inventor
Axel Endriss
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of BRPI0406714A publication Critical patent/BRPI0406714A/pt

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N39/00—Integrated devices, or assemblies of multiple devices, comprising at least one piezoelectric, electrostrictive or magnetostrictive element covered by groups H10N30/00 – H10N35/00
    • 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
    • H10N30/87—Electrodes or interconnections, e.g. leads or terminals
    • H10N30/871—Single-layered electrodes of multilayer piezoelectric or electrostrictive devices, e.g. internal electrodes
    • 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
    • H10N30/101—Piezoelectric or electrostrictive devices with electrical and mechanical input and output, e.g. having combined actuator and sensor parts
    • 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
    • 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
    • H10N30/87—Electrodes or interconnections, e.g. leads or terminals
    • H10N30/872—Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

"ATUADOR PIEZO". A presente invenção refere-se a um atuador piezo, por exemplo para ativação de um componente mecânico, em que o atuador piezo é provido de uma estrutura multicamada de camadas piezo com eletrodos internos (2,3) dispostos perpendicularmente à direção ativa (6, 7) entre as camadas piezo, os quais são ativáveis com uma tensão elétrica para ativação do atuador piezo através de eletrodos externos. Em outras camadas piezo com eletrodos internos (8, 9), pode ser obtido através de outros eletrodos externos (10, 11; 21, 22, 23, 24) um sinal de sensor elétrico proporcional à ativação do atuador piezo (1). As camadas piezo para a parte de atuador e as camadas piezo para a ao menos uma parte de sensor estão de tal maneira integradas em um componente como atuador piezo (1) que distintas camadas de sensor piezo estão dispostas a distâncias ou disposições predetermináveis entre as camadas piezo para a parte de atuador.
BR0406714-2A 2003-10-01 2004-08-04 Atuador piezo BRPI0406714A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10345730A DE10345730A1 (de) 2003-10-01 2003-10-01 Piezoaktor
PCT/DE2004/001742 WO2005041315A1 (de) 2003-10-01 2004-08-04 Piezoaktor

Publications (1)

Publication Number Publication Date
BRPI0406714A true BRPI0406714A (pt) 2005-12-20

Family

ID=34353253

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0406714-2A BRPI0406714A (pt) 2003-10-01 2004-08-04 Atuador piezo

Country Status (8)

Country Link
US (1) US20060255695A1 (pt)
EP (1) EP1690303B1 (pt)
JP (1) JP4106378B2 (pt)
KR (1) KR20060097722A (pt)
CN (1) CN100479217C (pt)
BR (1) BRPI0406714A (pt)
DE (2) DE10345730A1 (pt)
WO (1) WO2005041315A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005086247A1 (ja) * 2004-03-09 2005-09-15 Kyocera Corporation 積層型圧電素子とその製造方法
DE102005040120A1 (de) * 2005-08-25 2007-03-01 Robert Bosch Gmbh Multifunktionales Elektrodendesign für Piezoaktoren
DE102007060052A1 (de) 2007-12-13 2009-06-18 Robert Bosch Gmbh Anordnung mit einem Piezoaktor mit mehreren Aktiv- und/oder zusätzlichen Sensorbereichen
DE102009002311A1 (de) * 2009-04-09 2010-10-14 Robert Bosch Gmbh Piezoelektrischer Aktor und Brennstoffeinspritzventil
DE102009029570A1 (de) 2009-09-18 2011-03-31 Robert Bosch Gmbh Piezoelektrischer Transformator mit einem multifunktionalen Innenelektrodenaufbau
US8863727B2 (en) 2010-05-20 2014-10-21 Cummins Intellectual Property, Inc. Piezoelectric fuel injector system, method for estimating timing characteristics of a fuel injection event
WO2012100075A1 (en) * 2011-01-19 2012-07-26 Cummins Intellectual Property, Inc. Fuel injector having a piezoelectric actuator and a sensor assembly
CN102736756A (zh) * 2011-03-31 2012-10-17 汉王科技股份有限公司 一种压电式传感器及其安装方法
DE102012204251B4 (de) 2012-03-19 2013-12-12 Continental Automotive Gmbh Verfahren zum Betreiben eines Kraftstoffeinspritzsystems und Kraftstoffeinspritzsystem mit Einspritzventilen mit Piezo-Direktantrieb
DE102013206933A1 (de) * 2013-04-17 2014-10-23 Continental Automotive Gmbh Modulare Aktuatoreinheit für ein Einspritzventil
LU100594B1 (en) * 2017-12-22 2019-06-28 Luxembourg Inst Science & Tech List Piezoelectric device with a sensor and method for measuring the behaviour of said peizoelectric device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9021122D0 (en) * 1990-09-28 1990-11-14 Cookson Group Plc Composite multilayer ceramic structure
JPH0567819A (ja) * 1991-09-10 1993-03-19 Nec Corp 圧電セラミツクトランス
DE4332966A1 (de) * 1993-09-28 1995-03-30 Philips Patentverwaltung Torsionsaktuator und ein Verfahren zu dessen Herstellung
JPH09321359A (ja) * 1996-05-31 1997-12-12 Kyocera Corp 積層型圧電アクチュエータ
CN1198037A (zh) * 1997-04-25 1998-11-04 株式会社村田制作所 压电谐振器和使用它的电子元件
DE19802302A1 (de) * 1998-01-22 1999-07-29 Bosch Gmbh Robert Piezoelektrischer Aktor
DE19909482A1 (de) * 1999-03-04 2000-09-07 Bosch Gmbh Robert Piezoelektrischer Aktor
DE19928177C2 (de) * 1999-06-19 2001-04-26 Bosch Gmbh Robert Piezoaktor
JP2001284673A (ja) * 2000-03-30 2001-10-12 Taiyo Yuden Co Ltd 圧電トランス
US6346764B1 (en) * 2000-12-15 2002-02-12 Face International Corp. Multilayer piezoelectric transformer
JP2002246666A (ja) * 2001-02-19 2002-08-30 Matsushita Electric Ind Co Ltd 積層圧電アクチュエータ
DE10162250A1 (de) * 2001-12-18 2003-07-03 Bosch Gmbh Robert Brennstoffeinspritzventil

Also Published As

Publication number Publication date
JP2006515469A (ja) 2006-05-25
CN1864279A (zh) 2006-11-15
WO2005041315A1 (de) 2005-05-06
EP1690303B1 (de) 2010-11-03
US20060255695A1 (en) 2006-11-16
CN100479217C (zh) 2009-04-15
KR20060097722A (ko) 2006-09-14
JP4106378B2 (ja) 2008-06-25
DE502004011857D1 (de) 2010-12-16
EP1690303A1 (de) 2006-08-16
DE10345730A1 (de) 2005-04-21

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2159 DE 22/05/2012.