GB509955A - Improvements in and relating to gas-blast electric circuit breakers - Google Patents

Improvements in and relating to gas-blast electric circuit breakers

Info

Publication number
GB509955A
GB509955A GB1641738A GB1641738A GB509955A GB 509955 A GB509955 A GB 509955A GB 1641738 A GB1641738 A GB 1641738A GB 1641738 A GB1641738 A GB 1641738A GB 509955 A GB509955 A GB 509955A
Authority
GB
United Kingdom
Prior art keywords
relating
gas
electric circuit
circuit breakers
blast electric
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
GB1641738A
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.)
BBC Brown Boveri AG Germany
BBC Brown Boveri France SA
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri France 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 Brown Boveri und Cie AG Germany, BBC Brown Boveri France SA filed Critical Brown Boveri und Cie AG Germany
Publication of GB509955A publication Critical patent/GB509955A/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
    • H01H33/164—Impedances connected with contacts the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
GB1641738A 1936-12-30 1938-06-01 Improvements in and relating to gas-blast electric circuit breakers Expired GB509955A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA0081551 1936-12-30

Publications (1)

Publication Number Publication Date
GB509955A true GB509955A (en) 1939-07-25

Family

ID=6948354

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3613237A Expired GB492944A (en) 1936-12-30 1937-12-30 Improvements in and relating to gas blast electric circuit breakers
GB1641738A Expired GB509955A (en) 1936-12-30 1938-06-01 Improvements in and relating to gas-blast electric circuit breakers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB3613237A Expired GB492944A (en) 1936-12-30 1937-12-30 Improvements in and relating to gas blast electric circuit breakers

Country Status (5)

Country Link
BE (1) BE425413A (en)
CH (1) CH204361A (en)
FR (1) FR831279A (en)
GB (2) GB492944A (en)
NL (1) NL49406C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB884854A (en) * 1957-07-01 1961-12-20 Ass Elect Ind Improvements in air or gas blast electric circuit-breakers

Also Published As

Publication number Publication date
GB492944A (en) 1938-09-29
FR831279A (en) 1938-08-29
CH204361A (en) 1939-04-30
NL49406C (en)
BE425413A (en)

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