FR771353A - Switch refinements - Google Patents

Switch refinements

Info

Publication number
FR771353A
FR771353A FR771353DA FR771353A FR 771353 A FR771353 A FR 771353A FR 771353D A FR771353D A FR 771353DA FR 771353 A FR771353 A FR 771353A
Authority
FR
France
Prior art keywords
refinements
switch
switch refinements
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 FR771353A publication Critical patent/FR771353A/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
    • H01H33/70—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
    • H01H33/84—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 liquid, e.g. oil
FR771353D 1933-04-10 1934-04-07 Switch refinements Expired FR771353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10727/33A GB415522A (en) 1933-04-10 1933-04-10 Improvements relating to liquid-immersed electric circuit interrupters

Publications (1)

Publication Number Publication Date
FR771353A true FR771353A (en) 1934-10-06

Family

ID=9973163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR771353D Expired FR771353A (en) 1933-04-10 1934-04-07 Switch refinements

Country Status (3)

Country Link
US (1) US2056009A (en)
FR (1) FR771353A (en)
GB (1) GB415522A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981815A (en) * 1957-12-10 1961-04-25 Westinghouse Electric Corp Circuit interrupter
DE1295049B (en) * 1962-02-23 1969-05-14 Calor Emag Elektrizitaets Ag Electric circuit breaker

Also Published As

Publication number Publication date
GB415522A (en) 1934-08-30
US2056009A (en) 1936-09-29

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