GB9507467D0 - Improvements in and relating to permanent magnet bistable actuators - Google Patents

Improvements in and relating to permanent magnet bistable actuators

Info

Publication number
GB9507467D0
GB9507467D0 GBGB9507467.0A GB9507467A GB9507467D0 GB 9507467 D0 GB9507467 D0 GB 9507467D0 GB 9507467 A GB9507467 A GB 9507467A GB 9507467 D0 GB9507467 D0 GB 9507467D0
Authority
GB
United Kingdom
Prior art keywords
relating
permanent magnet
bistable actuators
magnet bistable
actuators
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.)
Granted
Application number
GBGB9507467.0A
Other versions
GB2299896B (en
GB2299896A (en
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.)
MCKEAN BRIAN ASS Ltd
Original Assignee
MCKEAN BRIAN ASS Ltd
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 MCKEAN BRIAN ASS Ltd filed Critical MCKEAN BRIAN ASS Ltd
Priority to GB9507467A priority Critical patent/GB2299896B/en
Publication of GB9507467D0 publication Critical patent/GB9507467D0/en
Priority to PCT/GB1996/000806 priority patent/WO1996032734A1/en
Publication of GB2299896A publication Critical patent/GB2299896A/en
Application granted granted Critical
Publication of GB2299896B publication Critical patent/GB2299896B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6662—Operating arrangements using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/226—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil for bistable relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H9/563—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
GB9507467A 1995-04-11 1995-04-11 Improvements in and relating to permanent magnet bistable actuators Expired - Fee Related GB2299896B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9507467A GB2299896B (en) 1995-04-11 1995-04-11 Improvements in and relating to permanent magnet bistable actuators
PCT/GB1996/000806 WO1996032734A1 (en) 1995-04-11 1996-04-03 Improvements in and relating to permanent magnet bistable actuators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9507467A GB2299896B (en) 1995-04-11 1995-04-11 Improvements in and relating to permanent magnet bistable actuators

Publications (3)

Publication Number Publication Date
GB9507467D0 true GB9507467D0 (en) 1995-05-31
GB2299896A GB2299896A (en) 1996-10-16
GB2299896B GB2299896B (en) 2000-03-08

Family

ID=10772869

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9507467A Expired - Fee Related GB2299896B (en) 1995-04-11 1995-04-11 Improvements in and relating to permanent magnet bistable actuators

Country Status (2)

Country Link
GB (1) GB2299896B (en)
WO (1) WO1996032734A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9702247D0 (en) * 1997-06-12 1997-06-12 Asea Brown Boveri Control device and method for controlling an electromagnetic actuator for switches
JP4555086B2 (en) * 2002-12-16 2010-09-29 三菱電機株式会社 Gas insulated switchgear
JP4192645B2 (en) 2003-03-24 2008-12-10 三菱電機株式会社 Operation circuit and power switchgear using the same
FR2896615A1 (en) 2006-01-20 2007-07-27 Areva T & D Sa MAGNETIC ACTUATOR WITH PERMANENT MAGNET WITH REDUCED VOLUME
EP1975960A1 (en) * 2007-03-30 2008-10-01 Abb Research Ltd. A bistable magnetic actuator for circuit breakers with electronic drive circuit and method for operating said actuator
DE102007044245A1 (en) 2007-09-11 2009-04-02 Siemens Ag Magnetic drive system for a switching device and method for producing a magnetic drive system
GB2520575A (en) 2013-11-26 2015-05-27 Johnson Electric Sa Electrical contactor
GB2520572A (en) 2013-11-26 2015-05-27 Johnson Electric Sa Electrical Contactor
US9905384B2 (en) 2013-12-06 2018-02-27 Schneider Electric It Corporation Systems and methods for quick release electromagnetic relays
GB201402560D0 (en) 2014-02-13 2014-04-02 Johnson Electric Sa Improvements in or relating to electrical contactors
EP4044204A1 (en) * 2021-02-15 2022-08-17 HUSCO Automotive Holdings LLC Multi-stable solenoid having an intermediate pole piece

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2292812A (en) * 1939-05-12 1942-08-11 Square D Co Arc prevention switching system
DE1564499A1 (en) * 1966-07-09 1970-01-02 Philips Patentverwaltung Electromagnetic speed damping for lifting or rotary magnets
DE2118101C3 (en) * 1971-04-14 1974-01-10 Ibm DC linear motor
US4720763A (en) * 1987-02-19 1988-01-19 Westinghouse Electric Corp. Electromagnetic contactor with control circuit for providing acceleration, coast and grab functions
US5291170A (en) * 1992-10-05 1994-03-01 General Motors Corporation Electromagnetic actuator with response time calibration
GB9318876D0 (en) * 1993-09-11 1993-10-27 Mckean Brian A bistable permanent magnet actuator for operation of circuit breakers
GB9326245D0 (en) * 1993-12-23 1994-02-23 Perkins Ltd An improved method for operating a two coil solenoid valve and control circuitry therefor

Also Published As

Publication number Publication date
GB2299896B (en) 2000-03-08
GB2299896A (en) 1996-10-16
WO1996032734A1 (en) 1996-10-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060411