FR772259A - Switches - Google Patents

Switches

Info

Publication number
FR772259A
FR772259A FR772259DA FR772259A FR 772259 A FR772259 A FR 772259A FR 772259D A FR772259D A FR 772259DA FR 772259 A FR772259 A FR 772259A
Authority
FR
France
Prior art keywords
switches
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR772259A publication Critical patent/FR772259A/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
    • H01H71/1009—Interconnected mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/18—Means for extinguishing or suppressing arc
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • 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
    • H01H33/76—Switches 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
FR772259D 1933-04-25 1934-04-24 Switches Expired FR772259A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US667856A US2047842A (en) 1933-04-25 1933-04-25 Circuit breaker
US667855A US2047815A (en) 1933-04-25 1933-04-25 Circuit breaker
US454083XA 1934-05-04 1934-05-04

Publications (1)

Publication Number Publication Date
FR772259A true FR772259A (en) 1934-10-26

Family

ID=31891951

Family Applications (3)

Application Number Title Priority Date Filing Date
FR772259D Expired FR772259A (en) 1933-04-25 1934-04-24 Switches
FR47374D Expired FR47374E (en) 1933-04-25 1936-05-04 Switches
FR48505D Expired FR48505E (en) 1933-04-25 1937-05-28 Switches

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR47374D Expired FR47374E (en) 1933-04-25 1936-05-04 Switches
FR48505D Expired FR48505E (en) 1933-04-25 1937-05-28 Switches

Country Status (3)

Country Link
US (4) US2047842A (en)
FR (3) FR772259A (en)
GB (3) GB420042A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486888A (en) * 1945-02-05 1949-11-01 Arrow Hart & Hegeman Electric Current responsive relay with shock and ambient temperature compensating means
US2866026A (en) * 1954-09-22 1958-12-23 Westinghouse Electric Corp Circuit breakers
US2811612A (en) * 1956-02-23 1957-10-29 Mc Graw Edison Co Load break interrupter
US3132222A (en) * 1961-12-28 1964-05-05 Gen Electric High voltage circuit breaker
US3668351A (en) * 1969-07-30 1972-06-06 Kearney National Inc Sectionalizing and protective apparatus for single house transformer
BE793833A (en) * 1972-01-14 1973-05-02 Telemecanique Electrique ARMING AND TRIPPING DEVICE FOR THERMAL RELAY
JPS58131631A (en) * 1982-01-30 1983-08-05 松下電工株式会社 Circuit breaker
DE3215919C2 (en) * 1982-04-29 1986-09-04 Brown, Boveri & Cie Ag, 6800 Mannheim Explosion-proof or firedamp-proof electrical switching device
GB2169749A (en) * 1985-01-12 1986-07-16 Ashley Accessories Ltd Electrical outlet accessories with incorporated automatic circuit breaker
US5335928A (en) * 1993-09-16 1994-08-09 Cannondale Corporation Bicycle bottom bracket/crank assembly
CN114284114B (en) * 2021-11-19 2024-04-05 河南平高电气股份有限公司 High-voltage circuit breaker and circuit breaker connecting box

Also Published As

Publication number Publication date
FR47374E (en) 1937-03-25
GB420042A (en) 1934-11-23
US2047815A (en) 1936-07-14
US2053934A (en) 1936-09-08
GB483889A (en) 1938-04-27
GB454083A (en) 1936-09-23
FR48505E (en) 1938-03-08
US2047842A (en) 1936-07-14
US2053972A (en) 1936-09-08

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