AU2001275780A1 - Bistable switch with shape memory metal - Google Patents

Bistable switch with shape memory metal

Info

Publication number
AU2001275780A1
AU2001275780A1 AU2001275780A AU7578001A AU2001275780A1 AU 2001275780 A1 AU2001275780 A1 AU 2001275780A1 AU 2001275780 A AU2001275780 A AU 2001275780A AU 7578001 A AU7578001 A AU 7578001A AU 2001275780 A1 AU2001275780 A1 AU 2001275780A1
Authority
AU
Australia
Prior art keywords
shape memory
memory metal
bistable switch
bistable
switch
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
AU2001275780A
Inventor
Michael Decarie
Normand Lassonde
Stephane Menard
Jean-Claude Villeneuve
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.)
Simpler Networks Inc
Original Assignee
Simpler Networks Inc
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 Simpler Networks Inc filed Critical Simpler Networks Inc
Publication of AU2001275780A1 publication Critical patent/AU2001275780A1/en
Abandoned 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
    • H01H1/00—Contacts
    • H01H1/0036—Switches making use of microelectromechanical systems [MEMS]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/0036—Switches making use of microelectromechanical systems [MEMS]
    • H01H2001/0042—Bistable switches, i.e. having two stable positions requiring only actuating energy for switching between them, e.g. with snap membrane or by permanent magnet
    • H01H2001/0047—Bistable switches, i.e. having two stable positions requiring only actuating energy for switching between them, e.g. with snap membrane or by permanent magnet operable only by mechanical latching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H2061/006—Micromechanical thermal relay
    • 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
    • H01H2061/0122—Two SMA actuators, e.g. one for closing or resetting contacts and one for opening them

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Micromachines (AREA)
  • Position Input By Displaying (AREA)
AU2001275780A 2000-06-19 2001-06-18 Bistable switch with shape memory metal Abandoned AU2001275780A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/596,876 2000-06-19
US09/596,876 US6917276B1 (en) 2000-06-19 2000-06-19 Bistable switch with shape memory metal
PCT/IB2001/001431 WO2001097720A2 (en) 2000-06-19 2001-06-18 Bistable switch with shape memory metal

Publications (1)

Publication Number Publication Date
AU2001275780A1 true AU2001275780A1 (en) 2002-01-02

Family

ID=24389089

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001275780A Abandoned AU2001275780A1 (en) 2000-06-19 2001-06-18 Bistable switch with shape memory metal

Country Status (3)

Country Link
US (1) US6917276B1 (en)
AU (1) AU2001275780A1 (en)
WO (1) WO2001097720A2 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7658709B2 (en) * 2003-04-09 2010-02-09 Medtronic, Inc. Shape memory alloy actuators
FR2862353B1 (en) * 2003-11-17 2007-08-17 Commissariat Energie Atomique MULTI-STABLE SHAPE MEMORY ALLOY ACTUATOR AND TOUCH INTERFACE IMPLEMENTING THE SAME
US7928826B1 (en) 2006-08-04 2011-04-19 Rockwell Collins, Inc. Electrical switching devices using a shape memory alloy (SMA) actuation mechanism
US7852190B1 (en) * 2007-04-17 2010-12-14 Rockwell Collins, Inc. Shape memory alloy (SMA) actuation mechanism for electrical switching device
US9136078B1 (en) * 2007-09-24 2015-09-15 Rockwell Collins, Inc. Stimulus for achieving high performance when switching SMA devices
US8220259B1 (en) 2007-12-21 2012-07-17 Rockwell Collins, Inc. Shape-memory alloy actuator
US8138859B2 (en) * 2008-04-21 2012-03-20 Formfactor, Inc. Switch for use in microelectromechanical systems (MEMS) and MEMS devices incorporating same
CN102136394B (en) * 2010-12-10 2013-04-03 哈尔滨工业大学 Temperature control microswitch for memory alloy with hooked wide temperature area and manufacturing method thereof
US9455106B2 (en) 2011-02-02 2016-09-27 Littelfuse, Inc. Three-function reflowable circuit protection device
US8941461B2 (en) * 2011-02-02 2015-01-27 Tyco Electronics Corporation Three-function reflowable circuit protection device
US9620318B2 (en) * 2011-08-12 2017-04-11 Littlefuse, Inc. Reflowable circuit protection device
US9431203B2 (en) * 2012-08-06 2016-08-30 Littelfuse, Inc. Reflowable circuit protection device
US20140225708A1 (en) * 2013-02-14 2014-08-14 GM Global Technology Operations LLC Overload protection for shape memory alloy actuators
JP2016080613A (en) 2014-10-21 2016-05-16 セイコーエプソン株式会社 Magnetic measuring device, gas cell, manufacturing method of magnetic measuring device, and manufacturing method of gas cell
US10020010B1 (en) * 2015-11-13 2018-07-10 Nutech Ventures Near-field heat transfer enabled nanothermomechanical memory and logic devices
DE102016108627B4 (en) * 2016-05-10 2022-11-10 Universität des Saarlandes Bistable actuator device with a shape memory element
US9785196B1 (en) 2016-08-18 2017-10-10 Microsoft Technology Licensing, Llc Capture connector for actuated locking devices
US10468218B2 (en) * 2018-01-19 2019-11-05 ISSA Technology Co., Ltd. Relay with SMA wire driven mechanism
GB201820383D0 (en) 2018-12-14 2019-01-30 Cambridge Mechatronics Ltd Zero power hold SMA Actuator assembly
US10867763B1 (en) * 2019-05-28 2020-12-15 Raytheon Company Shape-memory-based dead-facing mechanisms for severing electrical connections
US11515101B2 (en) 2019-07-29 2022-11-29 Qatar Foundation For Education, Science And Community Development Shape memory alloy actuated switch

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3634803A (en) * 1969-07-22 1972-01-11 Robertshaw Controls Co Temperature-responsive switch assemblies
US3725835A (en) * 1970-07-20 1973-04-03 J Hopkins Memory material actuator devices
US3893055A (en) * 1973-04-16 1975-07-01 Texas Instruments Inc High gain relays and systems
US4544988A (en) * 1983-10-27 1985-10-01 Armada Corporation Bistable shape memory effect thermal transducers
FR2600181B1 (en) * 1985-12-19 1995-02-10 Valeo DEVICE FOR ELECTRICALLY CONTROLLING THE MOVEMENT OF AN ELEMENT BETWEEN TWO PREDETERMINED POSITIONS
US4700541A (en) * 1986-10-16 1987-10-20 American Telephone And Telegraph Company, At&T Bell Laboratories Shape memory alloy actuator
DE3731146A1 (en) 1987-09-16 1989-03-30 Siemens Ag Drive device made of shape-memory alloy
JPH01183027A (en) * 1988-01-11 1989-07-20 Sumitomo Electric Ind Ltd Relay
US4864824A (en) * 1988-10-31 1989-09-12 American Telephone And Telegraph Company, At&T Bell Laboratories Thin film shape memory alloy and method for producing
US4887430A (en) * 1988-12-21 1989-12-19 Eaton Corporation Bistable SME actuator with retainer
US5206775A (en) * 1991-05-23 1993-04-27 Space Systems/Loral, Inc. Circuit bypass device
US5410290A (en) * 1993-08-02 1995-04-25 Cho; Dong-Il Shape memory alloy relays and switches
US6078243A (en) * 1997-06-12 2000-06-20 Barnes; Gregory Adaptive appliance control module including switching relay
DE19757024C1 (en) 1997-12-20 1999-06-02 Karlsruhe Forschzent Micro-fuse for current circuit
US5990777A (en) * 1998-08-05 1999-11-23 The Whitaker Corporation Shape-memory wire actuated switch

Also Published As

Publication number Publication date
WO2001097720A8 (en) 2002-01-17
WO2001097720A2 (en) 2001-12-27
US6917276B1 (en) 2005-07-12
WO2001097720A3 (en) 2002-08-15

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