BE447471A - - Google Patents

Info

Publication number
BE447471A
BE447471A BE447471DA BE447471A BE 447471 A BE447471 A BE 447471A BE 447471D A BE447471D A BE 447471DA BE 447471 A BE447471 A BE 447471A
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 BE447471A publication Critical patent/BE447471A/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
    • H01H33/83—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 wherein the contacts are opened by the flow of air or gas
BE447471D 1942-02-19 BE447471A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL229955X 1942-02-19

Publications (1)

Publication Number Publication Date
BE447471A true BE447471A (de)

Family

ID=19779875

Family Applications (1)

Application Number Title Priority Date Filing Date
BE447471D BE447471A (de) 1942-02-19

Country Status (7)

Country Link
US (1) US2500429A (de)
BE (1) BE447471A (de)
CH (1) CH229955A (de)
DE (1) DE757030C (de)
FR (1) FR886989A (de)
GB (1) GB606860A (de)
NL (2) NL57563C (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL79804C (de) * 1948-04-23
NL87728C (de) * 1956-02-15
GB884854A (en) * 1957-07-01 1961-12-20 Ass Elect Ind Improvements in air or gas blast electric circuit-breakers
DE2317499C3 (de) * 1973-04-04 1975-12-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Druckgasschalter
US3794798A (en) * 1973-04-27 1974-02-26 F Trayer Submersible switch and double toggle, power transmission member operating mechanism therefore
US3889084A (en) * 1973-09-19 1975-06-10 I T E Corp Contact for high voltage gas blast circuit breaker with time-delayed opening
US4336520A (en) * 1980-07-25 1982-06-22 Trayer Frank C Method and apparatus for short circuit protection of high voltage distribution systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898900A (en) * 1925-05-18 1933-02-21 Ruppel Sigwart Method and apparatus for interrupting high tension circuits
BE416391A (de) * 1935-07-13
CH190816A (de) * 1936-09-12 1937-05-15 Oerlikon Maschf Schalter mit Lichtbogenlöschung durch ein Druckmittel.
US2163558A (en) * 1937-04-30 1939-06-20 Westinghouse Electric & Mfg Co Circuit breaker
GB510502A (en) * 1937-12-29 1939-08-02 British Thomson Houston Co Ltd Improvements in and relating to gas blast electric switchgear
BE435345A (de) * 1938-05-27
BE441662A (de) * 1938-05-27
CH214012A (de) * 1939-11-01 1941-03-31 Oerlikon Maschf Elektrischer Schalter mit Lichtbogenlöschung und Bewegung des Düsenkontaktes durch ein strömendes Druckmittel.

Also Published As

Publication number Publication date
CH229955A (de) 1943-11-30
DE757030C (de) 1952-08-21
US2500429A (en) 1950-03-14
NL57563C (de)
FR886989A (fr) 1943-10-29
GB606860A (en) 1948-08-20
NL62336C (de)

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