CH522283A - Vacuum switch - Google Patents

Vacuum switch

Info

Publication number
CH522283A
CH522283A CH1646170A CH1646170A CH522283A CH 522283 A CH522283 A CH 522283A CH 1646170 A CH1646170 A CH 1646170A CH 1646170 A CH1646170 A CH 1646170A CH 522283 A CH522283 A CH 522283A
Authority
CH
Switzerland
Prior art keywords
vacuum switch
vacuum
switch
Prior art date
Application number
CH1646170A
Other languages
German (de)
Inventor
Christopher Ludwig Howard
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of CH522283A publication Critical patent/CH522283A/en

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
    • H01H33/6646—Contacts; Arc-extinguishing means, e.g. arcing rings having non flat disc-like contact surface
    • 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
    • H01H33/6644—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact
    • H01H33/6645—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact in which the coil like electrical connections encircle at least once the contact rod
CH1646170A 1969-11-06 1970-11-06 Vacuum switch CH522283A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87464969A 1969-11-06 1969-11-06

Publications (1)

Publication Number Publication Date
CH522283A true CH522283A (en) 1972-06-15

Family

ID=25364250

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1646170A CH522283A (en) 1969-11-06 1970-11-06 Vacuum switch

Country Status (3)

Country Link
US (1) US3683139A (en)
CH (1) CH522283A (en)
DE (1) DE2053958A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766345A (en) * 1972-12-05 1973-10-16 Allis Chalmers Vacuum interrupter
US3889080A (en) * 1973-12-19 1975-06-10 Westinghouse Electric Corp Vacuum interrupter shield protector
DE2812006C2 (en) * 1978-03-18 1982-02-11 Kurt 6368 Bad Vilbel Lenz Electromechanical switching contact for closing and opening electrical circuits in telecommunications systems, in particular telephone systems
US4451813A (en) * 1981-06-10 1984-05-29 Japan Radio Company, Ltd. Vacuum fuse having magnetic flux generating means for moving arc
CN1015412B (en) * 1987-11-07 1992-02-05 三菱电机有限公司 Windmill shape electrode for vacuum circuit breaker
US4766274A (en) * 1988-01-25 1988-08-23 Westinghouse Electric Corp. Vacuum circuit interrupter contacts containing chromium dispersions
US4999463A (en) * 1988-10-18 1991-03-12 Square D Company Arc stalling eliminating device and system
FR2950729B1 (en) * 2009-09-29 2016-08-19 Areva T&D Sas WINDING FOR CONTACT OF MEDIUM-VOLTAGE VACUUM BULB WITH IMPROVED ARC CUTOUT, VACUUM BULB AND CIRCUIT BREAKER, SUCH AS AN ALTERNATOR DISCONNECT CIRCUIT BREAKER

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976382A (en) * 1959-06-29 1961-03-21 Gen Electric Arc extinguishing structure for an electric circuit interrupter
US3182156A (en) * 1961-09-19 1965-05-04 Gen Electric Vacuum-type circuit interrupter
US3327081A (en) * 1964-11-25 1967-06-20 Allis Chalmers Mfg Co Contact with high resistance material insert
US3275777A (en) * 1964-11-25 1966-09-27 Allis Chalmers Mfg Co Multipoint contacts employing the arc rotating principle

Also Published As

Publication number Publication date
US3683139A (en) 1972-08-08
DE2053958A1 (en) 1971-05-19

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Legal Events

Date Code Title Description
PL Patent ceased