MXPA06005699A - Compensacion termica integral para un activador electromecanico. - Google Patents

Compensacion termica integral para un activador electromecanico.

Info

Publication number
MXPA06005699A
MXPA06005699A MXPA06005699A MXPA06005699A MXPA06005699A MX PA06005699 A MXPA06005699 A MX PA06005699A MX PA06005699 A MXPA06005699 A MX PA06005699A MX PA06005699 A MXPA06005699 A MX PA06005699A MX PA06005699 A MXPA06005699 A MX PA06005699A
Authority
MX
Mexico
Prior art keywords
cma
motion
amplifying mechanism
electro
cte
Prior art date
Application number
MXPA06005699A
Other languages
English (en)
Inventor
Jeffery B Moler
Aaron Dickey
Keith Thornhill
Original Assignee
Viking Technologies Lc
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 Viking Technologies Lc filed Critical Viking Technologies Lc
Publication of MXPA06005699A publication Critical patent/MXPA06005699A/es

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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
    • H02N2/04—Constructional details
    • H02N2/043—Mechanical transmission means, e.g. for stroke amplification
    • 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
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

La presente invencion incluye un metodo para compensar la diferencia en la porcion de expansion termica en uno o mas elementos de un accionador electromecanico. El accionador electromecanico puede incluir uno o mas elementos tales como un accionador de multicapa de ceramica (CMA) piezoelectrico y un mecanismo para amplificar el movimiento del CMA. Una diferencie en la proporcion de expansion termica o coeficiente de expansion termica, CTE, entre los materiales en el CMA y el mecanismo de amplificacion pueden provocar que los dos componentes varien en tamano en diferentes proporciones con forme varia la temperatura ambiente. Puesto que el mecanismo de amplificacion proporciona amplificacion sustancial del movimiento del CMA, la variacion relativa en tamano de los componentes debido a la temperatura puede traducirse por el mecanismo de amplificacion como movimiento del CMA. Esto puede resultar en movimiento sustancial del mecanismo de amplificacion. Remplazar un elemento mecanico en el mecanismo de amplificacion con un elemento que tiene un valor diferentes para el CTE reduce sustancialmente la diferencie en CTE de los materiales, reduciendo con esto el movimiento termicamente inducido del mecanismo de amplificacion. Ademas, el material utilizado y el medio para interconectar el elemento de reemplazo en el dispositivo de amplificacion para la compensacion termica puede mantener alta rigidez de la estructura de soporte de CMA, puesto que la estructura de soporte transmite el movimiento y la fuerza del CMA al mecanismo de amplificacion asi como aplica una precarga compresiva al CMA. Ademas, un alto nivel de fuerza de precarga compresiva puede utilizarse como una parte adicional del proceso de diseno general para ajustar el grado de compensacion termica requerido.
MXPA06005699A 2003-11-20 2004-11-18 Compensacion termica integral para un activador electromecanico. MXPA06005699A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52380803P 2003-11-20 2003-11-20
PCT/US2004/038828 WO2005053045A2 (en) 2003-11-20 2004-11-18 Integral thermal compensation for an electro-mechanical actuator

Publications (1)

Publication Number Publication Date
MXPA06005699A true MXPA06005699A (es) 2007-05-23

Family

ID=34632827

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA06005699A MXPA06005699A (es) 2003-11-20 2004-11-18 Compensacion termica integral para un activador electromecanico.

Country Status (9)

Country Link
US (2) US7126259B2 (es)
EP (1) EP1685605B1 (es)
JP (1) JP4740870B2 (es)
KR (1) KR100849155B1 (es)
CN (1) CN100583481C (es)
AT (1) ATE538504T1 (es)
BR (1) BRPI0416808A (es)
MX (1) MXPA06005699A (es)
WO (1) WO2005053045A2 (es)

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Also Published As

Publication number Publication date
WO2005053045A3 (en) 2005-08-04
US20060017349A1 (en) 2006-01-26
KR20060101775A (ko) 2006-09-26
EP1685605A2 (en) 2006-08-02
US7126259B2 (en) 2006-10-24
JP2007512713A (ja) 2007-05-17
CN100583481C (zh) 2010-01-20
ATE538504T1 (de) 2012-01-15
CN1902767A (zh) 2007-01-24
KR100849155B1 (ko) 2008-07-30
WO2005053045A2 (en) 2005-06-09
JP4740870B2 (ja) 2011-08-03
BRPI0416808A (pt) 2007-01-09
US20050146248A1 (en) 2005-07-07
EP1685605B1 (en) 2011-12-21

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