GB646100A - Improvements in or relating to electric circuit breakers having electromagnetic tripdevices - Google Patents

Improvements in or relating to electric circuit breakers having electromagnetic tripdevices

Info

Publication number
GB646100A
GB646100A GB13166/48A GB1316648A GB646100A GB 646100 A GB646100 A GB 646100A GB 13166/48 A GB13166/48 A GB 13166/48A GB 1316648 A GB1316648 A GB 1316648A GB 646100 A GB646100 A GB 646100A
Authority
GB
United Kingdom
Prior art keywords
armature
casing
fluid
tripping
valve
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
GB13166/48A
Other languages
English (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.)
Westinghouse Electric International Co
Original Assignee
Westinghouse Electric International Co
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 International Co filed Critical Westinghouse Electric International Co
Publication of GB646100A publication Critical patent/GB646100A/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
    • H01H71/44—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay
    • H01H71/443—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay with dash-pot

Landscapes

  • Breakers (AREA)
GB13166/48A 1947-05-17 1948-05-13 Improvements in or relating to electric circuit breakers having electromagnetic tripdevices Expired GB646100A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US748808A US2519291A (en) 1947-05-17 1947-05-17 Delayed electromagnetic trip circuit breaker

Publications (1)

Publication Number Publication Date
GB646100A true GB646100A (en) 1950-11-15

Family

ID=25011013

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13166/48A Expired GB646100A (en) 1947-05-17 1948-05-13 Improvements in or relating to electric circuit breakers having electromagnetic tripdevices

Country Status (5)

Country Link
US (1) US2519291A (en:Method)
BE (1) BE482520A (en:Method)
DE (1) DE823624C (en:Method)
FR (1) FR966522A (en:Method)
GB (1) GB646100A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117973A (en) * 1982-04-06 1983-10-19 Matsushita Electric Works Ltd Circuit protecting sensor

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735046A (en) * 1956-02-14 Trip operating magnet
US2611013A (en) * 1945-11-19 1952-09-16 Westinghouse Electric Corp Electromagnetic trip device
US2654009A (en) * 1950-01-28 1953-09-29 Westinghouse Electric Corp Circuit breaker
US2769056A (en) * 1951-07-05 1956-10-30 Westinghouse Electric Corp Automatic reclosing circuit breakers
DE975980C (de) * 1951-10-25 1963-01-03 Adolf Zaiser Maschinenfabrik G Elektromagnetisches Schaltschuetz zum geraeuscharmen Schalten von Aufzuegen und anderen elektrisch angetriebenen Einrichtungen
US2840663A (en) * 1954-05-05 1958-06-24 Westinghouse Electric Corp Circuit breaker
DE1046746B (de) * 1954-12-06 1958-12-18 Licentia Gmbh Ausloeseeinrichtung fuer Leistungsschalter mit Staffelschutz
DE1024155B (de) * 1955-10-08 1958-02-13 Voigt & Haeffner Ag Elektromagnetischer Ausloeser fuer Gleich- und Wechselstrom
US2911499A (en) * 1957-12-16 1959-11-03 Westinghouse Electric Corp Automatic recloser
DE1099055B (de) * 1958-04-29 1961-02-09 English Electric Co Ltd Elektromagnetischer UEberstromausloeser
DE1096469B (de) * 1959-01-24 1961-01-05 Elektroinstallation Annaberg V Elektromagnetische Schnellausloese-vorrichtung fuer UEberstromschalter, insbesondere Kleinselbstschalter
CH369510A (de) * 1959-07-08 1963-05-31 Bbc Brown Boveri & Cie Uberstromauslöser
US3129358A (en) * 1959-10-20 1964-04-14 Westinghouse Electric Corp Cold load pick-up apparatus for an automatic recloser
US3211417A (en) * 1961-07-17 1965-10-12 Itt Oil-filled solenoid valve construction
US4427959A (en) 1982-04-06 1984-01-24 Matsushita Electric Works, Ltd. Circuit protecting sensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1123288A (en) * 1905-01-16 1915-01-05 Westinghouse Electric & Mfg Co Automatic circuit-breaker.
US1154359A (en) * 1913-06-17 1915-09-21 Gen Electric Protective device.
US1293697A (en) * 1916-04-19 1919-02-11 Electric Controller & Mfg Co Overload device.
US2411800A (en) * 1940-12-03 1946-11-26 Bendix Aviat Corp Electromagnetic apparatus
US2357959A (en) * 1941-04-03 1944-09-12 Ward Leonard Electric Co Electromagnet and relay
US2398187A (en) * 1943-06-11 1946-04-09 Corning Glass Works Hydraulic fluid
US2439165A (en) * 1944-02-17 1948-04-06 Ite Circuit Breaker Ltd Selective tripping of circuit breakers in a system
US2451962A (en) * 1945-10-12 1948-10-19 Westinghouse Electric Corp Circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117973A (en) * 1982-04-06 1983-10-19 Matsushita Electric Works Ltd Circuit protecting sensor

Also Published As

Publication number Publication date
DE823624C (de) 1951-12-06
FR966522A (fr) 1950-10-12
US2519291A (en) 1950-08-15
BE482520A (en:Method)

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