GB509388A - Improvements in and relating to gas blast electric circuit breakers - Google Patents

Improvements in and relating to gas blast electric circuit breakers

Info

Publication number
GB509388A
GB509388A GB5472/39A GB547239A GB509388A GB 509388 A GB509388 A GB 509388A GB 5472/39 A GB5472/39 A GB 5472/39A GB 547239 A GB547239 A GB 547239A GB 509388 A GB509388 A GB 509388A
Authority
GB
United Kingdom
Prior art keywords
relating
electric circuit
circuit breakers
gas blast
blast electric
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
GB5472/39A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB509388A publication Critical patent/GB509388A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/76Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor
GB5472/39A 1938-02-18 1939-02-18 Improvements in and relating to gas blast electric circuit breakers Expired GB509388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191233A US2146656A (en) 1938-02-18 1938-02-18 Electric circuit interrupter

Publications (1)

Publication Number Publication Date
GB509388A true GB509388A (en) 1939-07-14

Family

ID=22704657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5472/39A Expired GB509388A (en) 1938-02-18 1939-02-18 Improvements in and relating to gas blast electric circuit breakers

Country Status (4)

Country Link
US (1) US2146656A (enrdf_load_stackoverflow)
BE (1) BE432795A (enrdf_load_stackoverflow)
DE (1) DE767751C (enrdf_load_stackoverflow)
GB (1) GB509388A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11634057B2 (en) 2019-03-15 2023-04-25 Volkswagen Aktiengesellschaft Lower leg support device for a vehicle seat, and vehicle seat

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468422A (en) * 1945-06-20 1949-04-26 Ite Circuit Breaker Ltd Arc chute
DE1057680B (de) * 1958-03-10 1959-05-21 Licentia Gmbh Hochspannungsschalter mit selbsterzeugtem Loeschmittel
US3140374A (en) * 1962-09-20 1964-07-07 Fred H Cole Circuit breaker interrupter
US3178545A (en) * 1962-11-02 1965-04-13 Gen Electric Electric circuit interrupter with metal plates for arc division having v-shaped edge directed toward arc-initiation region

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE601563C (de) * 1930-01-12 1934-08-18 Emil Lange Schalter mit Loeschung des Lichtbogens durch einen Druckgasstrom
US1912176A (en) * 1931-07-13 1933-05-30 Condit Electrical Mfg Corp Electric switch
US2146685A (en) * 1935-12-24 1939-02-07 Gen Electric Electric circuit interrupter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11634057B2 (en) 2019-03-15 2023-04-25 Volkswagen Aktiengesellschaft Lower leg support device for a vehicle seat, and vehicle seat

Also Published As

Publication number Publication date
DE767751C (de) 1953-04-27
BE432795A (enrdf_load_stackoverflow)
US2146656A (en) 1939-02-07

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