BE471740A - - Google Patents

Info

Publication number
BE471740A
BE471740A BE471740DA BE471740A BE 471740 A BE471740 A BE 471740A BE 471740D A BE471740D A BE 471740DA BE 471740 A BE471740 A BE 471740A
Authority
BE
Belgium
Application number
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.)
Publication of BE471740A publication Critical patent/BE471740A/xx

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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
    • H01H33/82—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
BE471740D 1939-05-12 BE471740A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE52540D DE738527C (de) 1939-05-12 1939-05-12 Elektrischer Schalter mit Lichtbogenloeschung durch ein gasfoermiges Loeschmittel

Publications (1)

Publication Number Publication Date
BE471740A true BE471740A (xx)

Family

ID=7081602

Family Applications (1)

Application Number Title Priority Date Filing Date
BE471740D BE471740A (xx) 1939-05-12

Country Status (5)

Country Link
US (1) US2494661A (xx)
BE (1) BE471740A (xx)
DE (1) DE738527C (xx)
FR (1) FR859295A (xx)
GB (1) GB615031A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE471740A (xx) * 1939-05-12
US3350529A (en) * 1964-03-12 1967-10-31 Asea Ab Air blast circuit breaker with auxiliary enclosed housing
US3579258A (en) * 1968-09-23 1971-05-18 Gen Electric Gas blast circuit breaker using a generally axial flow main blast
US3909571A (en) * 1973-09-19 1975-09-30 Ite Imperial Corp Contact structure for high voltage gas blast circuit interrupter
US3889084A (en) * 1973-09-19 1975-06-10 I T E Corp Contact for high voltage gas blast circuit breaker with time-delayed opening

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE21125E (en) * 1939-06-20 Switch
US716475A (en) * 1901-04-03 1902-12-23 Gen Electric Extinguishing electric arcs.
US1937482A (en) * 1928-09-18 1933-11-28 Ruppel Sigwart Compressed gas switch
GB398213A (en) * 1932-03-01 1933-09-01 Willis Bevan Whitney Improvements in or relating to circuit breakers
DE687791C (de) * 1932-06-04 1940-02-06 Const Electr De Delle Sa Atel Elektrischer Schalter mit Lichtbogenloeschung durch stroemendes Druckgas
BE471740A (xx) * 1939-05-12
GB549595A (en) * 1941-09-18 1942-11-27 British Thomson Houston Co Ltd Improvements in gas blast electric circuit breakers

Also Published As

Publication number Publication date
FR859295A (fr) 1940-12-14
US2494661A (en) 1950-01-17
DE738527C (de) 1943-08-19
GB615031A (en) 1948-12-31

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