FR1009463A - Device to equalize the air flow in electric switches with compressed air blowing - Google Patents

Device to equalize the air flow in electric switches with compressed air blowing

Info

Publication number
FR1009463A
FR1009463A FR1009463DA FR1009463A FR 1009463 A FR1009463 A FR 1009463A FR 1009463D A FR1009463D A FR 1009463DA FR 1009463 A FR1009463 A FR 1009463A
Authority
FR
France
Prior art keywords
equalize
electric switches
air flow
compressed air
air blowing
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Application granted granted Critical
Publication of FR1009463A publication Critical patent/FR1009463A/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
    • H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
    • H01H33/703—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
    • 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
    • H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
FR1009463D 1949-01-27 1950-01-27 Device to equalize the air flow in electric switches with compressed air blowing Expired FR1009463A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE279750X 1949-01-27

Publications (1)

Publication Number Publication Date
FR1009463A true FR1009463A (en) 1952-05-29

Family

ID=20306978

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1009463D Expired FR1009463A (en) 1949-01-27 1950-01-27 Device to equalize the air flow in electric switches with compressed air blowing

Country Status (4)

Country Link
US (1) US2653204A (en)
CH (1) CH279750A (en)
DE (2) DE908878C (en)
FR (1) FR1009463A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623657A1 (en) * 1987-11-19 1989-05-26 Merlin Gerin Circuit-breaker with self-blasting by expansion of insulating gas, equipped with an electric field distribution screen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813177A (en) * 1954-03-29 1957-11-12 Kelman Electric And Mfg Compan Circuit breaker
DE1069738B (en) * 1956-01-17 1959-11-26

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602039C (en) * 1927-10-30 1934-09-04 Siemens Schuckertwerke Akt Ges counter
FR696259A (en) * 1929-09-11 1930-12-29 Alsthom Cgee Further development of electric switches operating in gas
DE600406C (en) * 1932-10-13 1934-07-21 Bbc Brown Boveri & Cie High voltage alternating current switch
DE603883C (en) * 1933-03-23 1934-10-10 Bbc Brown Boveri & Cie Switching arrangement
DE687900C (en) * 1934-07-18 1940-02-08 Frida Strauss Geb Ruppel Switch with arc extinguishing by compressed gas
BE412834A (en) * 1934-12-18
GB478122A (en) * 1935-06-14 1938-01-10 Siemens Ag Improvements in and relating to arc quenching devices
GB516532A (en) * 1938-06-22 1940-01-04 Reyrolle A & Co Ltd Improvements in or relating to electric circuit-breaking devices of the gas-blast type
GB532869A (en) * 1939-06-27 1941-02-03 British Thomson Houston Co Ltd Improvements in gas blast electric circuit breakers
US2382850A (en) * 1942-06-16 1945-08-14 Gen Electric Gas blast electric circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623657A1 (en) * 1987-11-19 1989-05-26 Merlin Gerin Circuit-breaker with self-blasting by expansion of insulating gas, equipped with an electric field distribution screen

Also Published As

Publication number Publication date
CH279750A (en) 1951-12-15
DE908878C (en) 1954-04-12
DE865758C (en) 1953-02-05
US2653204A (en) 1953-09-22

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