FR2919972B1 - Actionneur piezoelectrique. - Google Patents

Actionneur piezoelectrique.

Info

Publication number
FR2919972B1
FR2919972B1 FR0855456A FR0855456A FR2919972B1 FR 2919972 B1 FR2919972 B1 FR 2919972B1 FR 0855456 A FR0855456 A FR 0855456A FR 0855456 A FR0855456 A FR 0855456A FR 2919972 B1 FR2919972 B1 FR 2919972B1
Authority
FR
France
Prior art keywords
piezoelectric actuator
piezoelectric
actuator
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
FR0855456A
Other languages
English (en)
Other versions
FR2919972A1 (fr
Inventor
Michael Herr
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2919972A1 publication Critical patent/FR2919972A1/fr
Application granted granted Critical
Publication of FR2919972B1 publication Critical patent/FR2919972B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
    • F02M59/468—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means using piezoelectric operating means
    • 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
    • H10N30/04—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning
    • H10N30/045—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning by polarising
    • 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
    • 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
    • F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
FR0855456A 2007-08-09 2008-08-07 Actionneur piezoelectrique. Expired - Fee Related FR2919972B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007037554A DE102007037554A1 (de) 2007-08-09 2007-08-09 Piezoelektrischer Aktor

Publications (2)

Publication Number Publication Date
FR2919972A1 FR2919972A1 (fr) 2009-02-13
FR2919972B1 true FR2919972B1 (fr) 2015-01-09

Family

ID=39767648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0855456A Expired - Fee Related FR2919972B1 (fr) 2007-08-09 2008-08-07 Actionneur piezoelectrique.

Country Status (3)

Country Link
DE (1) DE102007037554A1 (fr)
FR (1) FR2919972B1 (fr)
GB (1) GB2451754B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2990998B1 (fr) 2012-05-23 2016-02-26 Continental Automotive France Procede de pilotage d'au moins un actionneur piezoelectrique d'injecteur de carburant d'un moteur a combustion interne
DE102012107343B4 (de) * 2012-08-09 2018-11-22 Epcos Ag Verfahren zur Polung eines Vielschichtbauelements
FR3002592B1 (fr) * 2013-02-26 2016-09-16 Continental Automotive France Procede de pilotage d'un injecteur piezoelectrique de carburant d'un moteur a combustion interne de vehicule, comportant une etape de polarisation de l'actionneur piezoelectrique
FR3009031B1 (fr) 2013-07-29 2015-08-21 Continental Automotive France Procede et dispositif de repolarisation d'un actionneur piezoelectrique d'un injecteur d'un moteur a combustion interne d'un vehicule ayant ete utilise
GB2570707B (en) * 2018-02-05 2021-09-08 Xaar Technology Ltd A method of poling piezoelectric elements of an actuator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10062672B9 (de) 1999-12-16 2012-07-12 Epcos Ag Piezoelektrisches Bauelement
EP1470595B1 (fr) * 2002-02-01 2005-10-26 Siemens Aktiengesellschaft Procede de pretraitement d'une ceramique piezoelectrique et procede d'ajustage d'une soupape d'injection
DE102004009140B4 (de) * 2004-02-25 2006-10-05 Siemens Ag Verfahren und Vorrichtung zur Polarisierung eines piezoelektrischen Aktors

Also Published As

Publication number Publication date
DE102007037554A1 (de) 2009-02-12
GB2451754B (en) 2010-01-13
FR2919972A1 (fr) 2009-02-13
GB2451754A (en) 2009-02-11
GB0814433D0 (en) 2008-09-10

Similar Documents

Publication Publication Date Title
BRPI0717291A2 (pt) Atuador
FR2909857B1 (fr) Endovalve.
BRPI0813235A2 (pt) Combinação anti-helmíntica.
BRPI0914528A2 (pt) acionador de válvula.
DK2232101T3 (da) Lineær aktuator
DK2250401T3 (da) Aktuator
ATE525624T1 (de) Betätigungselement
DK2232100T3 (da) Lineær aktuator
NL2003141A1 (nl) Actuator system using multiple piezoelectric actuators.
BRPI0920992A2 (pt) atuador de movimento acionado.
DE602008006287D1 (de) Fahrradbetätigungsvorrichtung
DK1902237T3 (da) Aktuatorsystem
BRPI0819600A2 (pt) Servoválvula.
DE602008002004D1 (de) Aktuatoranordnung
DE502007006425D1 (de) Einrichtung mit Piezoaktor
FR2919972B1 (fr) Actionneur piezoelectrique.
ITPR20080006A1 (it) Attuatore per valvole
BRPI0817248A2 (pt) Componente de múltiplas camadas piezoelétricas.
DK2041463T3 (da) Aktuatorindretning
EE200800042A (et) Aktuaator
FR2908124B1 (fr) Actionneur micromecanique
FI7785U1 (fi) Toimilaite
FI20065135A (fi) Toimilaite
ITCE20060002A1 (it) Patok.
DE502006001316D1 (de) Piezoelektrischer Aktor

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 8

ST Notification of lapse

Effective date: 20170428