GB987859A - Improvements in gas blast circuit breaker - Google Patents

Improvements in gas blast circuit breaker

Info

Publication number
GB987859A
GB987859A GB45237/61A GB4523761A GB987859A GB 987859 A GB987859 A GB 987859A GB 45237/61 A GB45237/61 A GB 45237/61A GB 4523761 A GB4523761 A GB 4523761A GB 987859 A GB987859 A GB 987859A
Authority
GB
United Kingdom
Prior art keywords
contact
contacts
gas
until
open
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
GB45237/61A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB987859A publication Critical patent/GB987859A/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
    • H01H33/167—Impedances connected with contacts the impedance being inserted only while opening the switch
    • 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
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
    • 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
    • H01H33/86—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve

Landscapes

  • Circuit Breakers (AREA)
GB45237/61A 1960-12-20 1961-12-18 Improvements in gas blast circuit breaker Expired GB987859A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77145A US3065322A (en) 1960-12-20 1960-12-20 Gas blast circuit breaker

Publications (1)

Publication Number Publication Date
GB987859A true GB987859A (en) 1965-03-31

Family

ID=22136337

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45237/61A Expired GB987859A (en) 1960-12-20 1961-12-18 Improvements in gas blast circuit breaker

Country Status (3)

Country Link
US (1) US3065322A (de)
DE (1) DE1172756B (de)
GB (1) GB987859A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590186A (en) * 1968-12-19 1971-06-29 Allis Chalmers Mfg Co Vacuum interrupter having series connected resistor and shunting means for the latter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL34469C (de) * 1931-07-06
DE647141C (de) * 1933-08-01 1937-06-29 Bbc Brown Boveri & Cie Elektrischer Schalter
GB582599A (en) * 1944-07-07 1946-11-21 English Electric Co Ltd Improvements in electric circuit breakers
US2459600A (en) * 1944-12-14 1949-01-18 Westinghouse Electric Corp Compressed gas circuit interrupter
US2665351A (en) * 1951-02-09 1954-01-05 Asea Ab Arrangement in air blast circuit breaker provided with damping resistance
BE538744A (de) * 1954-06-04
US2803724A (en) * 1954-06-04 1957-08-20 Asea Ab Operating device for air blast circuit breakers
US2970198A (en) * 1957-02-18 1961-01-31 Westinghouse Electric Corp Compressed-gas circuit interrupter
US2911507A (en) * 1957-06-21 1959-11-03 Ite Circuit Breaker Ltd Recirculating gas blast interrupter

Also Published As

Publication number Publication date
DE1172756B (de) 1964-06-25
US3065322A (en) 1962-11-20

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