FR706634A - Improvements to circuit breakers - Google Patents

Improvements to circuit breakers

Info

Publication number
FR706634A
FR706634A FR706634DA FR706634A FR 706634 A FR706634 A FR 706634A FR 706634D A FR706634D A FR 706634DA FR 706634 A FR706634 A FR 706634A
Authority
FR
France
Prior art keywords
circuit breakers
breakers
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 and Manufacturing Co
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
Priority claimed from US411271A external-priority patent/US1899643A/en
Priority claimed from US441520A external-priority patent/US1899612A/en
Application filed by Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR706634A publication Critical patent/FR706634A/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
    • H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H33/10—Metal parts
    • 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
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
    • H01H33/75—Liquid-break switches, e.g. oil-break
    • 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
FR706634D 1929-12-03 1930-11-27 Improvements to circuit breakers Expired FR706634A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US411271A US1899643A (en) 1929-12-03 1929-12-03 Oil circuit breaker
US441520A US1899612A (en) 1930-04-04 1930-04-04 Circuit interrupter

Publications (1)

Publication Number Publication Date
FR706634A true FR706634A (en) 1931-06-27

Family

ID=27021339

Family Applications (1)

Application Number Title Priority Date Filing Date
FR706634D Expired FR706634A (en) 1929-12-03 1930-11-27 Improvements to circuit breakers

Country Status (3)

Country Link
BE (1) BE375449A (en)
FR (1) FR706634A (en)
NL (1) NL33551C (en)

Also Published As

Publication number Publication date
NL33551C (en)
BE375449A (en)

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