FR755742A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR755742A
FR755742A FR755742DA FR755742A FR 755742 A FR755742 A FR 755742A FR 755742D A FR755742D A FR 755742DA FR 755742 A FR755742 A FR 755742A
Authority
FR
France
Prior art keywords
electrical switches
switches
electrical
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 FR755742A publication Critical patent/FR755742A/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
    • H01H33/98—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being initiated by an auxiliary arc or a section of the arc, without any moving parts for producing or increasing the flow
FR755742D 1932-05-20 1933-05-18 Improvements to electrical switches Expired FR755742A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US612523A US1949258A (en) 1932-05-20 1932-05-20 Electric circuit breaker

Publications (1)

Publication Number Publication Date
FR755742A true FR755742A (en) 1933-11-29

Family

ID=24453517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR755742D Expired FR755742A (en) 1932-05-20 1933-05-18 Improvements to electrical switches

Country Status (4)

Country Link
US (1) US1949258A (en)
BE (1) BE396426A (en)
FR (1) FR755742A (en)
GB (1) GB404857A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419123A (en) * 1943-05-25 1947-04-15 Westinghouse Electric Corp Circuit interrupter
US2447353A (en) * 1944-11-25 1948-08-17 Gen Electric Tubular lamp holder
US2462733A (en) * 1946-10-30 1949-02-22 Westinghouse Electric Corp Circuit interrupter
US2748227A (en) * 1951-06-27 1956-05-29 Yorkshire Switchgear & Eng Co Electric circuit breakers
US2821608A (en) * 1954-12-08 1958-01-28 Westinghouse Electric Corp Circuit interrupters
US2913556A (en) * 1956-03-14 1959-11-17 Westinghouse Electric Corp Circuit interrupters
US3900946A (en) * 1973-10-25 1975-08-26 Mc Graw Edison Co Method for making arc extinguishing chamber

Also Published As

Publication number Publication date
GB404857A (en) 1934-01-25
BE396426A (en)
US1949258A (en) 1934-02-27

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