FR72122E - New provisions for pressurized gas electric switches and circuit breakers - Google Patents

New provisions for pressurized gas electric switches and circuit breakers

Info

Publication number
FR72122E
FR72122E FR72122DA FR72122E FR 72122 E FR72122 E FR 72122E FR 72122D A FR72122D A FR 72122DA FR 72122 E FR72122 E FR 72122E
Authority
FR
France
Prior art keywords
pressurized gas
circuit breakers
electric switches
gas electric
new provisions
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.)
Cegelec SA
Original Assignee
Cegelec 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 Cegelec SA filed Critical Cegelec SA
Application granted granted Critical
Publication of FR72122E publication Critical patent/FR72122E/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
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
    • H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
    • 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
FR72122D 1957-03-19 1957-07-22 New provisions for pressurized gas electric switches and circuit breakers Expired FR72122E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1173247T 1957-03-19

Publications (1)

Publication Number Publication Date
FR72122E true FR72122E (en) 1960-08-05

Family

ID=9658212

Family Applications (3)

Application Number Title Priority Date Filing Date
FR1173247D Expired FR1173247A (en) 1957-03-19 1957-03-19 New provisions for pressurized gas electric switches and circuit breakers
FR71769D Expired FR71769E (en) 1957-03-19 1957-07-04 New provisions for pressurized gas electric switches and circuit breakers
FR72122D Expired FR72122E (en) 1957-03-19 1957-07-22 New provisions for pressurized gas electric switches and circuit breakers

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR1173247D Expired FR1173247A (en) 1957-03-19 1957-03-19 New provisions for pressurized gas electric switches and circuit breakers
FR71769D Expired FR71769E (en) 1957-03-19 1957-07-04 New provisions for pressurized gas electric switches and circuit breakers

Country Status (2)

Country Link
FR (3) FR1173247A (en)
GB (1) GB878658A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB960406A (en) * 1959-06-02 1964-06-10 English Electric Co Ltd Improvements in or relating to electric circuit-breakers
DE1160062B (en) * 1960-04-26 1963-12-27 Liebknecht Transformat High-voltage gas switch
GB979783A (en) * 1960-04-29 1965-01-06 Reyrolle A & Co Ltd Improvements relating to high-voltage electric circuit-breakers of the gas-blast type
NL294811A (en) * 1962-07-02
US3290469A (en) * 1964-09-30 1966-12-06 Westinghouse Electric Corp Compressed-gas circuit interrupter having cavitation means
CH425949A (en) * 1965-09-06 1966-12-15 Bbc Brown Boveri & Cie Compressed gas switch with multiple interruption
FR1531373A (en) * 1966-11-03 1968-07-05 Merlin Gerin Closed circuit compressed gas circuit breaker

Also Published As

Publication number Publication date
GB878658A (en) 1961-10-04
FR1173247A (en) 1959-02-23
FR71769E (en) 1960-01-19

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