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AU2002218625A1 - Double electromechanical element - Google Patents

Double electromechanical element

Info

Publication number
AU2002218625A1
AU2002218625A1 AU2002218625A AU1862502A AU2002218625A1 AU 2002218625 A1 AU2002218625 A1 AU 2002218625A1 AU 2002218625 A AU2002218625 A AU 2002218625A AU 1862502 A AU1862502 A AU 1862502A AU 2002218625 A1 AU2002218625 A1 AU 2002218625A1
Authority
AU
Australia
Prior art keywords
portions
displacement
passive part
stator
electromechanical
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.)
Abandoned
Application number
AU2002218625A
Inventor
Stefan Johansson
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.)
Piezomotor Uppsala AB
Original Assignee
Piezomotor Uppsala AB
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 Piezomotor Uppsala AB filed Critical Piezomotor Uppsala AB
Publication of AU2002218625A1 publication Critical patent/AU2002218625A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H02N2/021—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors using intermittent driving, e.g. step motors, piezoleg motors
    • 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
    • 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
    • H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
    • H02N2/001—Driving devices, e.g. vibrators
    • H02N2/0015—Driving devices, e.g. vibrators using only bending modes
    • 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
    • H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
    • H10N30/2041—Beam type

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

The present invention discloses motors using electromechanical, preferably piezoelectric, monolithic elements (30). The element (30) comprises at least two movable parts or displacement portions (32A, 32B) interconnected by a passive part (31). Each displacement section (32A, 32B) comprises at least one unimorph or preferably bimorph (33A, 33B), where the active volumes extend in parallel out from the passive part (31), and so are the electrodes 12) arranged between the electromechanical layers. The displacement portions (32A, 32B) are positioned in substantially the same plane and parallel to the body (20) to be moved. Contact portions are arranged at the central passive part (31) and at the displacement portions (32A, 32B). The central contract portion is an actuating surface (34C) and the other are attaching portions (36A, 36B) for attachment to a stator (24). The attaching portions (36A, 36B) are fixed to the stator (24) with respect of motion in a main displacement direction (X) of the body (20). The actuating surface (34C) is movable relative to the attaching portions (36A, 36B9 in two dimensions.
AU2002218625A 2000-12-20 2001-12-05 Double electromechanical element Abandoned AU2002218625A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0004733A SE0004733D0 (en) 2000-12-20 2000-12-20 Double bimorph electromechanical element
SE0004733 2000-12-20
PCT/SE2001/002673 WO2002050923A1 (en) 2000-12-20 2001-12-05 Double electromechanical element

Publications (1)

Publication Number Publication Date
AU2002218625A1 true AU2002218625A1 (en) 2002-07-01

Family

ID=20282315

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002218625A Abandoned AU2002218625A1 (en) 2000-12-20 2001-12-05 Double electromechanical element

Country Status (8)

Country Link
EP (1) EP1350275B1 (en)
JP (1) JP2004524786A (en)
KR (1) KR100559199B1 (en)
CN (1) CN100344007C (en)
AT (1) ATE517439T1 (en)
AU (1) AU2002218625A1 (en)
SE (1) SE0004733D0 (en)
WO (1) WO2002050923A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381376B (en) * 2001-10-25 2005-04-20 1 Ltd Micromotor
US6710950B2 (en) * 2002-06-05 2004-03-23 Nokia Mobile Phones Limited Piezoelectric actuator for digital camera optical system
US6933662B2 (en) * 2002-10-31 2005-08-23 The Boeing Company Electrostrictive compound actuator
FI20045263A7 (en) 2004-07-02 2006-01-03 Nokia Corp Class DE drive amplifier for piezoelectric actuators
JP2007274865A (en) * 2006-03-31 2007-10-18 Casio Comput Co Ltd Piezoelectric actuator, conveyance device using the same, and camera shake correction device
JP4929890B2 (en) * 2006-07-19 2012-05-09 カシオ計算機株式会社 Image stabilizer
EP2216837A1 (en) * 2009-02-07 2010-08-11 Physik Instrumente (PI) GmbH & Co. KG Piezoelectric motor
DE102009049719A1 (en) * 2009-10-17 2011-04-21 Physik Instrumente (Pi) Gmbh & Co. Kg actuator
JP2011120415A (en) * 2009-12-07 2011-06-16 Murata Mfg Co Ltd Drive system
CN102932717A (en) * 2011-08-08 2013-02-13 庆良电子股份有限公司 Energy conversion module
CN104753393B (en) * 2015-02-05 2017-02-01 西安交通大学 Dual piezoelectric stack steeping rotary actuator containing curved beam structure and method
WO2017033423A1 (en) * 2015-08-21 2017-03-02 株式会社フジキン Piezoelectric linear actuator, piezoelectrically driven valve, and flow rate control device
CN105206738B (en) * 2015-10-26 2017-11-07 福建师范大学 Electro-active material and electric actuator
CN113595441B (en) * 2020-04-30 2023-12-08 维沃移动通信有限公司 Motors and electronic equipment
CN112910304B (en) * 2021-01-22 2022-03-01 哈尔滨工业大学 A small multi-segment piezoelectric robot and its excitation method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339682A (en) * 1980-09-22 1982-07-13 Rca Corporation Rotative motor using a piezoelectric element
US4291958A (en) * 1980-10-03 1981-09-29 Eastman Kodak Company Camera with electronic flash and piezoelectric lens motor
DE3474380D1 (en) * 1984-05-03 1988-11-03 Ibm Piezoelectric stepping rotator
JPH06303782A (en) * 1993-04-14 1994-10-28 Hitachi Ltd Drive
CN1224247A (en) * 1997-09-08 1999-07-28 Wac资料服务有限公司 Piezoelectric actuator
US6157115A (en) * 1998-10-13 2000-12-05 Nordson Corporation Mechanical amplifier

Also Published As

Publication number Publication date
EP1350275A1 (en) 2003-10-08
WO2002050923A1 (en) 2002-06-27
JP2004524786A (en) 2004-08-12
EP1350275B1 (en) 2011-07-20
ATE517439T1 (en) 2011-08-15
CN100344007C (en) 2007-10-17
SE0004733D0 (en) 2000-12-20
CN1481587A (en) 2004-03-10
KR100559199B1 (en) 2006-03-10
KR20030067705A (en) 2003-08-14

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