FR974450A - Circuit switches - Google Patents

Circuit switches

Info

Publication number
FR974450A
FR974450A FR974450DA FR974450A FR 974450 A FR974450 A FR 974450A FR 974450D A FR974450D A FR 974450DA FR 974450 A FR974450 A FR 974450A
Authority
FR
France
Prior art keywords
circuit switches
switches
circuit
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
Other languages
French (fr)
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR974450A publication Critical patent/FR974450A/en
Expired legal-status Critical Current

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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/164—Impedances connected with contacts the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
FR974450D 1947-11-01 1948-10-29 Circuit switches Expired FR974450A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US783602A US2586290A (en) 1947-11-01 1947-11-01 Circuit interrupter

Publications (1)

Publication Number Publication Date
FR974450A true FR974450A (en) 1951-02-22

Family

ID=25129803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR974450D Expired FR974450A (en) 1947-11-01 1948-10-29 Circuit switches

Country Status (2)

Country Link
US (1) US2586290A (en)
FR (1) FR974450A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671146A (en) * 1952-01-14 1954-03-02 Gen Electric Interrupting unit for electric circuit breakers
US2813953A (en) * 1954-08-16 1957-11-19 Ite Circuit Breaker Ltd Circuit interruptions with non-linear resistance
US2840671A (en) * 1954-08-30 1958-06-24 Siemens Ag Circuit interrupter
US2970198A (en) * 1957-02-18 1961-01-31 Westinghouse Electric Corp Compressed-gas circuit interrupter
CA681715A (en) * 1958-04-24 1964-03-10 B. Griscom Samuel Air-break disconnecting switch
CA681717A (en) * 1958-04-30 1964-03-10 W. Skooglund John Air-break disconnecting switches
US3356809A (en) * 1964-06-08 1967-12-05 Westinghouse Electric Corp Multi-break compressed-gas circuit interrupters with rotating gasconducting bridging members

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE521636C (en) * 1928-12-21 1931-03-25 Lorenz Akt Ges C Device for arc suppression on switching contacts
FR686406A (en) * 1928-12-21 1930-07-25 Lorenz C Ag Device for discharging switching contacts, especially high voltage ones
BE375920A (en) * 1930-08-05
US2052318A (en) * 1935-05-01 1936-08-25 Bell Telephone Labor Inc Electric switching device
BE447360A (en) * 1938-05-27
NL67950C (en) * 1940-01-13
USRE22298E (en) * 1941-06-14 1943-04-06 Gas blast circuit breaker
US2295305A (en) * 1941-10-23 1942-09-08 Gen Electric Motor circuit
US2530939A (en) * 1947-09-27 1950-11-21 Westinghouse Electric Corp Circuit interrupter with arc extinguishing shunt

Also Published As

Publication number Publication date
US2586290A (en) 1952-02-19

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