CA999900A - Adjustable magnetic latch for a relay - Google Patents

Adjustable magnetic latch for a relay

Info

Publication number
CA999900A
CA999900A CA210,431A CA210431A CA999900A CA 999900 A CA999900 A CA 999900A CA 210431 A CA210431 A CA 210431A CA 999900 A CA999900 A CA 999900A
Authority
CA
Canada
Prior art keywords
relay
adjustable magnetic
magnetic latch
latch
adjustable
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
Application number
CA210,431A
Other versions
CA210431S (en
Inventor
Robert J. Johnston
Alfred E. Maier
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA999900A publication Critical patent/CA999900A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2209—Polarised relays with rectilinearly movable armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
CA210,431A 1973-10-05 1974-09-30 Adjustable magnetic latch for a relay Expired CA999900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US404058A US3886507A (en) 1973-10-05 1973-10-05 Adjustable latch for a relay

Publications (1)

Publication Number Publication Date
CA999900A true CA999900A (en) 1976-11-16

Family

ID=23597969

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,431A Expired CA999900A (en) 1973-10-05 1974-09-30 Adjustable magnetic latch for a relay

Country Status (6)

Country Link
US (1) US3886507A (en)
BE (1) BE820753A (en)
BR (1) BR7408228D0 (en)
CA (1) CA999900A (en)
ES (1) ES430414A1 (en)
GB (1) GB1479503A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000481A (en) * 1976-02-09 1976-12-28 I-T-E Imperial Corporation Magnetic latch with shunt path barrel
US3984795A (en) * 1976-02-09 1976-10-05 I-T-E Imperial Corporation Magnetic latch construction
GB2109165B (en) * 1981-05-01 1985-01-30 Ledex Inc Trip solenoid
JPS5889059A (en) * 1981-11-16 1983-05-27 ム−グ・インコ−ポレ−テツド Electromechanical actuator
FR2573570B1 (en) * 1984-11-22 1988-05-27 Merlin Gerin POLARIZED ELECTROMAGNETIC RELAY WITH MAGNETIC LOCKING FOR A TRIGGER OF AN ELECTRIC CIRCUIT BREAKER
US4641117A (en) * 1985-07-29 1987-02-03 General Electric Company Combined accessory and trip actuator unit for electronic circuit breakers
US4737750A (en) * 1986-12-22 1988-04-12 Hamilton Standard Controls, Inc. Bistable electrical contactor arrangement
US4876521A (en) * 1987-08-25 1989-10-24 Siemens Energy & Automation, Inc. Tripping coil with flux shifting coil and booster coil
US4801910A (en) * 1988-02-10 1989-01-31 Siemens Energy And Automation, Inc. Magnetic actuating mechanism
US5272458A (en) * 1988-07-28 1993-12-21 H-U Development Corporation Solenoid actuator
US4877294A (en) * 1988-11-08 1989-10-31 Navistar International Transportation Corp. Electro-pneumatic tractor-trailer brake system
IT1249286B (en) * 1990-07-30 1995-02-22 Bticino Spa PERMANENT MAGNET RELEASE ELECTROMAGNET FOR AUTOMATIC SWITCHES
US5162765A (en) * 1991-12-23 1992-11-10 North American Philips Corporation Adjustable magnetic tripping device and circuit breaker including such device
GB2289374B (en) * 1994-05-09 1998-02-18 Whipp & Bourne Ltd Electromagnetic actuators
ES2107333B1 (en) * 1994-05-20 1998-07-01 Univ Catalunya Politecnica BISTABLE ELECTROMECHANICAL DEVICE FOR LINEAR DISPLACEMENT AND MAGNETIC INTERLOCKING.
GB9523440D0 (en) * 1995-11-15 1996-01-17 Whipp And Bourne Ltd Electrical actuator means
DE20104677U1 (en) * 2001-03-17 2001-05-31 Dbt Gmbh Electromagnetic switching device
FR2871617B1 (en) * 2004-06-15 2007-02-16 Daniel Lucas BISTABLE ACTUATOR, CIRCUIT BREAKER COMPRISING THE ACTUATOR AND SAFETY DEVICE EQUIPPED WITH SAID CIRCUIT BREAKER
US7518269B2 (en) 2005-03-18 2009-04-14 Ls Industrial Systems Co., Ltd. Actuator using permanent magnet
US20090167471A1 (en) * 2007-12-27 2009-07-02 Tyco Electronics Corporation Magnetically latched miniature switch
AT509279A1 (en) * 2008-07-31 2011-07-15 Moeller Gebaeudeautomation Gmbh SWITCHGEAR
KR101297549B1 (en) * 2011-12-30 2013-08-14 엘에스산전 주식회사 Trip device of short voltage for molded case circuit breaker
US9183976B2 (en) * 2012-03-19 2015-11-10 Hanchett Entry Systems, Inc. Springless electromagnet actuator having a mode selectable magnetic armature
DE102013013585B4 (en) * 2013-06-20 2020-09-17 Rhefor Gbr Self-holding magnet with particularly low electrical tripping power
US9324529B2 (en) * 2014-04-14 2016-04-26 Eaton Corporation Current direction sensitive circuit interrupter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915681A (en) * 1957-11-20 1959-12-01 Indiana Steel Products Co Magnet assemblies
US3119940A (en) * 1961-05-16 1964-01-28 Sperry Rand Corp Magnetomotive actuators of the rectilinear output type
US3381181A (en) * 1966-06-27 1968-04-30 Sperry Rand Corp Electromagnetic device
US3792390A (en) * 1973-05-29 1974-02-19 Allis Chalmers Magnetic actuator device

Also Published As

Publication number Publication date
BE820753A (en) 1975-04-07
GB1479503A (en) 1977-07-13
AU7377274A (en) 1976-04-01
ES430414A1 (en) 1976-10-16
US3886507A (en) 1975-05-27
BR7408228D0 (en) 1975-07-22

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