FR578243A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR578243A
FR578243A FR578243DA FR578243A FR 578243 A FR578243 A FR 578243A FR 578243D A FR578243D A FR 578243DA FR 578243 A FR578243 A FR 578243A
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 FR578243A publication Critical patent/FR578243A/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
FR578243D 1923-03-13 1924-03-08 Improvements to electrical switches Expired FR578243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US624835A US1653086A (en) 1923-03-13 1923-03-13 Electric switch

Publications (1)

Publication Number Publication Date
FR578243A true FR578243A (en) 1924-09-20

Family

ID=10003240

Family Applications (1)

Application Number Title Priority Date Filing Date
FR578243D Expired FR578243A (en) 1923-03-13 1924-03-08 Improvements to electrical switches

Country Status (3)

Country Link
US (1) US1653086A (en)
FR (1) FR578243A (en)
GB (1) GB217013A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075060A (en) * 1957-10-30 1963-01-22 Westinghouse Electric Corp Circuit interrupters

Also Published As

Publication number Publication date
US1653086A (en) 1927-12-20
GB217013A (en) 1924-06-12

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