GB643096A - Arrangement in electric compressed air blast circuit breakers - Google Patents

Arrangement in electric compressed air blast circuit breakers

Info

Publication number
GB643096A
GB643096A GB874/48A GB87448A GB643096A GB 643096 A GB643096 A GB 643096A GB 874/48 A GB874/48 A GB 874/48A GB 87448 A GB87448 A GB 87448A GB 643096 A GB643096 A GB 643096A
Authority
GB
United Kingdom
Prior art keywords
air
nozzle
arc
ionized
blast
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
GB874/48A
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.)
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
Publication of GB643096A publication Critical patent/GB643096A/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)
GB874/48A 1947-01-15 1948-01-12 Arrangement in electric compressed air blast circuit breakers Expired GB643096A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE265317X 1947-01-15

Publications (1)

Publication Number Publication Date
GB643096A true GB643096A (en) 1950-09-15

Family

ID=20306588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB874/48A Expired GB643096A (en) 1947-01-15 1948-01-12 Arrangement in electric compressed air blast circuit breakers

Country Status (4)

Country Link
US (1) US2632828A (US20110009641A1-20110113-C00160.png)
CH (1) CH265317A (US20110009641A1-20110113-C00160.png)
FR (1) FR959519A (US20110009641A1-20110113-C00160.png)
GB (1) GB643096A (US20110009641A1-20110113-C00160.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761935A (en) * 1952-07-30 1956-09-04 David C Prince Circuit breaker

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US692735A (en) * 1901-06-17 1902-02-04 James R Thompson Combined electric switch and spark-blow-out mechanism.
US1334645A (en) * 1917-01-13 1920-03-23 Bechoff Ferdinand Air-break switch
US1861128A (en) * 1928-12-28 1932-05-31 Milliken Humphreys High-power circuit-breaker
GB375308A (en) * 1931-03-18 1932-06-20 Electr & Allied Ind Res Ass Improvements relating to electric switches and circuit breakers
BE388499A (US20110009641A1-20110113-C00160.png) * 1931-05-21
GB398213A (en) * 1932-03-01 1933-09-01 Willis Bevan Whitney Improvements in or relating to circuit breakers
DE687791C (de) * 1932-06-04 1940-02-06 Const Electr De Delle Sa Atel Elektrischer Schalter mit Lichtbogenloeschung durch stroemendes Druckgas
US2133938A (en) * 1933-12-08 1938-10-18 Strauss Frida Electric switch
US2222719A (en) * 1939-07-08 1940-11-26 Gen Electric Air blast circuit breaker

Also Published As

Publication number Publication date
US2632828A (en) 1953-03-24
FR959519A (US20110009641A1-20110113-C00160.png) 1950-03-31
CH265317A (de) 1949-11-30

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