IT1303665B1 - Attuatore bistabile,particolarmente per dispositivi differenziali - Google Patents

Attuatore bistabile,particolarmente per dispositivi differenziali

Info

Publication number
IT1303665B1
IT1303665B1 IT1998MI002829A ITMI982829A IT1303665B1 IT 1303665 B1 IT1303665 B1 IT 1303665B1 IT 1998MI002829 A IT1998MI002829 A IT 1998MI002829A IT MI982829 A ITMI982829 A IT MI982829A IT 1303665 B1 IT1303665 B1 IT 1303665B1
Authority
IT
Italy
Prior art keywords
lamina
bistable actuator
differential devices
layer
bistable
Prior art date
Application number
IT1998MI002829A
Other languages
English (en)
Inventor
Donato Colonna
Franco Moriconi
Aldo Sciacca
Pietro Mandurino
Original Assignee
Abb Ricerca Spa
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 Abb Ricerca Spa filed Critical Abb Ricerca Spa
Priority to IT1998MI002829A priority Critical patent/IT1303665B1/it
Priority to DE69921766T priority patent/DE69921766T2/de
Priority to AT99204081T priority patent/ATE282246T1/de
Priority to EP99204081A priority patent/EP1014412B1/en
Priority to CA2292855A priority patent/CA2292855C/en
Priority to US09/471,085 priority patent/US6392331B1/en
Priority to CN99127069A priority patent/CN1124632C/zh
Publication of ITMI982829A1 publication Critical patent/ITMI982829A1/it
Application granted granted Critical
Publication of IT1303665B1 publication Critical patent/IT1303665B1/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/127—Automatic release mechanisms with or without manual release using piezoelectric, electrostrictive or magnetostrictive trip units
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • 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

  • Breakers (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Micromachines (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
IT1998MI002829A 1998-12-24 1998-12-24 Attuatore bistabile,particolarmente per dispositivi differenziali IT1303665B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT1998MI002829A IT1303665B1 (it) 1998-12-24 1998-12-24 Attuatore bistabile,particolarmente per dispositivi differenziali
DE69921766T DE69921766T2 (de) 1998-12-24 1999-12-02 Bistabile Betätigungsvorrichtung
AT99204081T ATE282246T1 (de) 1998-12-24 1999-12-02 Bistabile betätigungsvorrichtung
EP99204081A EP1014412B1 (en) 1998-12-24 1999-12-02 Bistable actuator
CA2292855A CA2292855C (en) 1998-12-24 1999-12-21 Bistable actuator
US09/471,085 US6392331B1 (en) 1998-12-24 1999-12-23 Bistable actuator
CN99127069A CN1124632C (zh) 1998-12-24 1999-12-24 双稳态启动器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998MI002829A IT1303665B1 (it) 1998-12-24 1998-12-24 Attuatore bistabile,particolarmente per dispositivi differenziali

Publications (2)

Publication Number Publication Date
ITMI982829A1 ITMI982829A1 (it) 2000-06-24
IT1303665B1 true IT1303665B1 (it) 2001-02-21

Family

ID=11381351

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998MI002829A IT1303665B1 (it) 1998-12-24 1998-12-24 Attuatore bistabile,particolarmente per dispositivi differenziali

Country Status (7)

Country Link
US (1) US6392331B1 (it)
EP (1) EP1014412B1 (it)
CN (1) CN1124632C (it)
AT (1) ATE282246T1 (it)
CA (1) CA2292855C (it)
DE (1) DE69921766T2 (it)
IT (1) IT1303665B1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10040867A1 (de) * 2000-08-21 2002-05-23 Abb Research Ltd Mikroschalter
ATE464645T1 (de) * 2000-11-21 2010-04-15 Abb Research Ltd Hilfseinrichtung
WO2002050856A1 (de) * 2000-12-19 2002-06-27 Siemens Aktiengesellschaft Auslöser für schutzschalter
US7321185B2 (en) * 2005-03-04 2008-01-22 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Active multistable twisting device
CN107710315B (zh) * 2015-06-03 2022-01-25 皇家飞利浦有限公司 致动设备
US10148199B1 (en) * 2017-05-15 2018-12-04 Baoxiang Shan Loop-band devices configured for motion
US10148142B1 (en) 2017-05-15 2018-12-04 Baoxiang Shan Buckling loop rotary motor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE548731C (de) 1931-06-12 1932-04-18 Fried Krupp Grusonwerk Akt Ges Bleikabelpresse
US3093760A (en) * 1960-06-15 1963-06-11 Bosch Arma Corp Composite piezoelectric element
US4383195A (en) * 1980-10-24 1983-05-10 Piezo Electric Products, Inc. Piezoelectric snap actuator
DE3040563A1 (de) * 1980-10-28 1982-05-27 Siemens AG, 1000 Berlin und 8000 München Elektrisch zu betaetigendes stellglied
US4399385A (en) * 1982-02-11 1983-08-16 Rca Corporation Rotative motor using a triangular piezoelectric element
JPS63110900A (ja) * 1986-10-28 1988-05-16 Murata Mfg Co Ltd 振動アラ−ム装置
JPH01174278A (ja) * 1987-12-28 1989-07-10 Misuzu Erii:Kk インバータ
JP2796831B2 (ja) * 1989-04-03 1998-09-10 旭光学工業株式会社 カメラの像ブレ補正装置
DE4142970A1 (de) * 1991-12-24 1993-07-01 Abb Patent Gmbh Fehlerstrom- und/oder differenzstromschutzschalter
JP3094717B2 (ja) * 1993-02-09 2000-10-03 株式会社村田製作所 圧電共振部品
DE4412964C2 (de) * 1993-04-14 1997-03-27 Murata Manufacturing Co Resonator
JPH07297661A (ja) * 1994-04-27 1995-11-10 Murata Mfg Co Ltd 圧電共振子及び圧電共振子の共振周波数調整方法
DE29514495U1 (de) * 1995-09-08 1995-11-02 Buerkert Werke Gmbh & Co Ventil mit piezoelektrischer Lamelle
US5781646A (en) * 1997-05-09 1998-07-14 Face; Samuel A. Multi-segmented high deformation piezoelectric array

Also Published As

Publication number Publication date
DE69921766D1 (de) 2004-12-16
DE69921766T2 (de) 2005-12-15
CN1258088A (zh) 2000-06-28
US6392331B1 (en) 2002-05-21
CA2292855A1 (en) 2000-06-24
EP1014412A3 (en) 2001-12-12
ATE282246T1 (de) 2004-11-15
CN1124632C (zh) 2003-10-15
EP1014412A2 (en) 2000-06-28
EP1014412B1 (en) 2004-11-10
ITMI982829A1 (it) 2000-06-24
CA2292855C (en) 2010-04-27

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