GB2050063B - Electro magnetic actuators - Google Patents

Electro magnetic actuators

Info

Publication number
GB2050063B
GB2050063B GB8010262A GB8010262A GB2050063B GB 2050063 B GB2050063 B GB 2050063B GB 8010262 A GB8010262 A GB 8010262A GB 8010262 A GB8010262 A GB 8010262A GB 2050063 B GB2050063 B GB 2050063B
Authority
GB
United Kingdom
Prior art keywords
electro magnetic
magnetic actuators
actuators
electro
magnetic
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
GB8010262A
Other languages
English (en)
Other versions
GB2050063A (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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Publication of GB2050063A publication Critical patent/GB2050063A/en
Application granted granted Critical
Publication of GB2050063B publication Critical patent/GB2050063B/en
Expired legal-status Critical Current

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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2436—Electromagnetic mechanisms with a holding and a releasing magnet, the holding force being limited due to saturation of the holding magnet
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Breakers (AREA)
GB8010262A 1979-03-30 1980-03-27 Electro magnetic actuators Expired GB2050063B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7908029A FR2452778A1 (fr) 1979-03-30 1979-03-30 Percuteur a attraction et verrouillage magnetiques

Publications (2)

Publication Number Publication Date
GB2050063A GB2050063A (en) 1980-12-31
GB2050063B true GB2050063B (en) 1983-11-02

Family

ID=9223755

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8010262A Expired GB2050063B (en) 1979-03-30 1980-03-27 Electro magnetic actuators

Country Status (11)

Country Link
US (1) US4370637A (OSRAM)
JP (1) JPS55132012A (OSRAM)
BR (1) BR8001899A (OSRAM)
CA (1) CA1130849A (OSRAM)
CH (1) CH633882A5 (OSRAM)
DE (1) DE3012151A1 (OSRAM)
ES (1) ES490052A0 (OSRAM)
FR (1) FR2452778A1 (OSRAM)
GB (1) GB2050063B (OSRAM)
IT (1) IT1149300B (OSRAM)
SE (2) SE8002409L (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145879A (en) * 1983-09-01 1985-04-03 Michael Clift Solenoid actuator with loose-fit armature
US4725800A (en) * 1987-01-15 1988-02-16 Westinghouse Electric Corp. Circuit breaker with magnetic shunt hold back circuit
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
FR2639148B1 (fr) * 1988-11-16 1991-08-02 Merlin Gerin Declencheur magnetique a large plage de reglage du seuil de declenchement

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD24996A (OSRAM) *
FR615035A (fr) * 1925-08-31 1926-12-28 Perfectionnements aux électro-aimants
CH230351A (de) * 1940-11-08 1943-12-31 Luftfahrtgeraetewerk Hakenfeld Schlagmagnet mit magnetischer Rastung.
US3249823A (en) * 1964-01-08 1966-05-03 Vitramon Inc Electromagnetic actuator
CH421297A (de) * 1964-04-23 1966-09-30 Peter Dipl Ing Isliker Gleichstrommagnet
DE1279188B (de) * 1964-05-23 1968-10-03 Bosch Gmbh Robert Gegen thermische UEberlastung geschuetzter Wechselstrommagnet
DE2055483A1 (de) * 1970-10-29 1972-05-04 Siemens Ag Hydraulischer Antrieb für elek trische Schalter
US3783423A (en) * 1973-01-30 1974-01-01 Westinghouse Electric Corp Circuit breaker with improved flux transfer magnetic actuator
US3792390A (en) * 1973-05-29 1974-02-19 Allis Chalmers Magnetic actuator device
US3984795A (en) * 1976-02-09 1976-10-05 I-T-E Imperial Corporation Magnetic latch construction
CH616271A5 (OSRAM) * 1977-06-27 1980-03-14 Weber Ag Fab Elektro

Also Published As

Publication number Publication date
IT8021087A0 (it) 1980-03-31
JPS55132012A (en) 1980-10-14
ES8101317A1 (es) 1980-12-01
BR8001899A (pt) 1980-11-25
DE3012151A1 (de) 1980-10-09
FR2452778A1 (fr) 1980-10-24
CA1130849A (fr) 1982-08-31
GB2050063A (en) 1980-12-31
JPS6318845B2 (OSRAM) 1988-04-20
IT1149300B (it) 1986-12-03
CH633882A5 (fr) 1982-12-31
FR2452778B1 (OSRAM) 1982-02-05
ES490052A0 (es) 1980-12-01
US4370637A (en) 1983-01-25
SE449676B (sv) 1987-05-11
SE8002409L (sv) 1980-10-01

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Legal Events

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

Effective date: 19970327