FR1511781A - Improvements to electrical vacuum switches - Google Patents

Improvements to electrical vacuum switches

Info

Publication number
FR1511781A
FR1511781A FR94134A FR94134A FR1511781A FR 1511781 A FR1511781 A FR 1511781A FR 94134 A FR94134 A FR 94134A FR 94134 A FR94134 A FR 94134A FR 1511781 A FR1511781 A FR 1511781A
Authority
FR
France
Prior art keywords
vacuum switches
electrical vacuum
electrical
switches
vacuum
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
FR94134A
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Application granted granted Critical
Publication of FR1511781A publication Critical patent/FR1511781A/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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • H01H33/6642—Contacts; Arc-extinguishing means, e.g. arcing rings having cup-shaped contacts, the cylindrical wall of which being provided with inclined slits to form a coil
FR94134A 1966-02-09 1967-02-08 Improvements to electrical vacuum switches Expired FR1511781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB566966 1966-02-09

Publications (1)

Publication Number Publication Date
FR1511781A true FR1511781A (en) 1968-02-02

Family

ID=9800430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR94134A Expired FR1511781A (en) 1966-02-09 1967-02-08 Improvements to electrical vacuum switches

Country Status (1)

Country Link
FR (1) FR1511781A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764764A (en) * 1971-01-11 1973-10-09 Hitachi Ltd Vacuum circuit breaker
US4091248A (en) * 1974-06-26 1978-05-23 Hitachi, Ltd. Vacuum-type circuit breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764764A (en) * 1971-01-11 1973-10-09 Hitachi Ltd Vacuum circuit breaker
US4091248A (en) * 1974-06-26 1978-05-23 Hitachi, Ltd. Vacuum-type circuit breaker

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