DE602004001337D1 - Bistabiler Schalter mit Formgedächtnismetall - Google Patents

Bistabiler Schalter mit Formgedächtnismetall

Info

Publication number
DE602004001337D1
DE602004001337D1 DE602004001337T DE602004001337T DE602004001337D1 DE 602004001337 D1 DE602004001337 D1 DE 602004001337D1 DE 602004001337 T DE602004001337 T DE 602004001337T DE 602004001337 T DE602004001337 T DE 602004001337T DE 602004001337 D1 DE602004001337 D1 DE 602004001337D1
Authority
DE
Germany
Prior art keywords
shape memory
dead center
end positions
movable element
spring means
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
DE602004001337T
Other languages
English (en)
Other versions
DE602004001337T2 (de
Inventor
Marco Biasiotto
Francesco Butera
Stefano Alacqua
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.)
Centro Ricerche Fiat SCpA
Original Assignee
Centro Ricerche Fiat SCpA
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 Centro Ricerche Fiat SCpA filed Critical Centro Ricerche Fiat SCpA
Publication of DE602004001337D1 publication Critical patent/DE602004001337D1/de
Application granted granted Critical
Publication of DE602004001337T2 publication Critical patent/DE602004001337T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/065—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like using a shape memory element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • H01H61/0107—Details making use of shape memory materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Position Or Direction (AREA)
  • Semiconductor Memories (AREA)
  • Transmission Devices (AREA)
  • Thermally Actuated Switches (AREA)
DE602004001337T 2004-05-03 2004-05-03 Bistabiler Schalter mit Formgedächtnismetall Expired - Fee Related DE602004001337T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04425314A EP1593844B1 (de) 2004-05-03 2004-05-03 Bistabiler Schalter mit Formgedächtnismetall

Publications (2)

Publication Number Publication Date
DE602004001337D1 true DE602004001337D1 (de) 2006-08-03
DE602004001337T2 DE602004001337T2 (de) 2006-11-16

Family

ID=34896195

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004001337T Expired - Fee Related DE602004001337T2 (de) 2004-05-03 2004-05-03 Bistabiler Schalter mit Formgedächtnismetall

Country Status (7)

Country Link
US (1) US20050195064A1 (de)
EP (1) EP1593844B1 (de)
JP (1) JP2005320960A (de)
CN (1) CN1693702A (de)
AT (1) ATE331138T1 (de)
DE (1) DE602004001337T2 (de)
ES (1) ES2267032T3 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4349931B2 (ja) * 2003-08-28 2009-10-21 パナソニック株式会社 作動装置および位置切換装置および光磁気記録再生装置
EP1677014B1 (de) * 2004-12-30 2007-04-25 C.R.F. Società Consortile per Azioni Formgedächtnisbetätigungseinrichtung mit Überspannungsschädensschutz
US7708478B2 (en) * 2006-04-13 2010-05-04 Nokia Corporation Actuator mechanism and a shutter mechanism
US7581706B2 (en) * 2006-06-26 2009-09-01 Lear Corporation Shape memory alloy (SMA) system
US7770959B2 (en) * 2006-10-30 2010-08-10 Gm Global Technology Operations, Inc. Door actuation systems using active materials
ITMI20071283A1 (it) * 2007-06-27 2008-12-28 Getters Spa Attuatore comprendente elementi in lega a memoria di forma ad ampliato intervallo di temperature di utilizzo
US8104278B2 (en) * 2008-03-31 2012-01-31 GM Global Technology Operations LLC Energy harvesting, storing, and conversion utilizing shape memory activation
EP2154021B1 (de) 2008-08-07 2010-09-15 C.R.F. Società Consortile per Azioni Ergonomische Stützvorrichtung für den Insassenkörper, für Sessel oder Sitze, insbesondere für Kraftfahrzeugsitze
ITBG20110034A1 (it) * 2011-08-01 2013-02-02 Abb Spa Dispositivo di comando per la richiusura di un interruttore in bassa tensione.
ITMI20121705A1 (it) * 2012-10-10 2014-04-11 Getters Spa Interruttore elettrico bistabile con attuatore a memoria di forma
US20140225708A1 (en) * 2013-02-14 2014-08-14 GM Global Technology Operations LLC Overload protection for shape memory alloy actuators
CN103352787B (zh) * 2013-07-12 2015-12-02 江苏大学 基于链传动且由形状记忆效应驱动的旋转装置
DE102015001439B4 (de) * 2015-02-09 2016-09-15 Solvo GmbH Aktoranordnung mit Formgedächtnisstellern und Betriebsverfahren
US10280904B2 (en) 2016-03-09 2019-05-07 Northrop Grumman Systems Corporation Electrically activated pivot assembly
DE102016008526B3 (de) * 2016-07-15 2017-11-16 Solvo GmbH Aktoranordnung mit Formgedächtnisstellern und Betriebsverfahren
US10753345B1 (en) * 2019-07-18 2020-08-25 Dean Pick Sleeve for shape-memory alloy
WO2022184533A1 (en) 2021-03-02 2022-09-09 Saes Getters S.P.A. Asymmetric bistable shape memory alloy inertial actuator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246754A (en) * 1979-03-12 1981-01-27 University Of Illinois Foundation Solid state thermal engine
US5085055A (en) * 1987-06-15 1992-02-04 The University Of Alabama/Research Foundation Reversible mechanochemical engines comprised of bioelastomers capable of modulable inverse temperature transitions for the interconversion of chemical and mechanical work
US4887430A (en) * 1988-12-21 1989-12-19 Eaton Corporation Bistable SME actuator with retainer
US4965545A (en) * 1989-08-09 1990-10-23 Tini Alloy Company Shape memory alloy rotary actuator
US5543678A (en) * 1993-05-11 1996-08-06 Hoiberg; Dane A. Flat motors
US6006522A (en) * 1998-08-10 1999-12-28 Lockheed Martin Corporation Translational actuator
DE19913637C1 (de) * 1999-03-25 2000-09-21 Bell & Howell Co Einrichtung zum Handhaben blattförmiger Gegenstände
JP3613066B2 (ja) * 1999-04-15 2005-01-26 ソニー株式会社 形状記憶合金を用いた駆動装置
EP1364125A1 (de) * 2001-01-17 2003-11-26 M 2 Medical A/S Stellglied aus formgedächtnislegierung

Also Published As

Publication number Publication date
EP1593844A1 (de) 2005-11-09
US20050195064A1 (en) 2005-09-08
ATE331138T1 (de) 2006-07-15
DE602004001337T2 (de) 2006-11-16
ES2267032T3 (es) 2007-03-01
CN1693702A (zh) 2005-11-09
JP2005320960A (ja) 2005-11-17
EP1593844B1 (de) 2006-06-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee