GB743939A - Electric circuit-breakers having arc-extinguishing means - Google Patents

Electric circuit-breakers having arc-extinguishing means

Info

Publication number
GB743939A
GB743939A GB18926/53A GB1892653A GB743939A GB 743939 A GB743939 A GB 743939A GB 18926/53 A GB18926/53 A GB 18926/53A GB 1892653 A GB1892653 A GB 1892653A GB 743939 A GB743939 A GB 743939A
Authority
GB
United Kingdom
Prior art keywords
breakers
arc
electric circuit
extinguishing means
july
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
GB18926/53A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB743939A publication Critical patent/GB743939A/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
    • H01H33/70—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

Landscapes

  • Circuit Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

743,939. Fluid-blast switches. PRINCE; D. C. July. 8, 1953 [July 30, 1952], No. 18926/53. Class 38(5) The exhaust passageways 20, 21 of a gas or liquid cross-blast circuit-breaker formed between the insulating walls 22, 23 and a central insulating baffle 17 are unrestricted and so dimensioned as to prevent back pressures being set up therein.
GB18926/53A 1952-07-30 1953-07-08 Electric circuit-breakers having arc-extinguishing means Expired GB743939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US301639A US2761935A (en) 1952-07-30 1952-07-30 Circuit breaker

Publications (1)

Publication Number Publication Date
GB743939A true GB743939A (en) 1956-01-25

Family

ID=23164232

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18926/53A Expired GB743939A (en) 1952-07-30 1953-07-08 Electric circuit-breakers having arc-extinguishing means

Country Status (4)

Country Link
US (1) US2761935A (en)
CH (1) CH320094A (en)
FR (1) FR1081676A (en)
GB (1) GB743939A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE559372A (en) * 1956-11-20
FR1183278A (en) * 1957-11-05 1959-07-06 Merlin Gerin Improvements to magnetic blow switches

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB299301A (en) * 1927-10-22 1929-07-25 Siemens Ag Switch with compressed air arc extinction
BE375264A (en) * 1929-12-21
BE388499A (en) * 1931-05-21
FR813543A (en) * 1935-11-15 1937-06-03 Compressed gas switch
US2253197A (en) * 1938-11-03 1941-08-19 Gen Electric Fluid blast circuit breaker
BE442623A (en) * 1939-12-13
BE472737A (en) * 1946-04-23
US2486127A (en) * 1944-06-26 1949-10-25 Gen Electric Air blast electric circuit breaker
FR959519A (en) * 1947-01-15 1950-03-31
US2629798A (en) * 1948-10-30 1953-02-24 Allis Chalmers Mfg Co Cross air blast circuit breaker

Also Published As

Publication number Publication date
FR1081676A (en) 1954-12-22
US2761935A (en) 1956-09-04
CH320094A (en) 1957-03-15

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