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GB892661A - Improvements in oil electric circuit breakers - Google Patents

Improvements in oil electric circuit breakers

Info

Publication number
GB892661A
GB892661A GB30940/60A GB3094060A GB892661A GB 892661 A GB892661 A GB 892661A GB 30940/60 A GB30940/60 A GB 30940/60A GB 3094060 A GB3094060 A GB 3094060A GB 892661 A GB892661 A GB 892661A
Authority
GB
United Kingdom
Prior art keywords
chamber
pressure
oil
valve
arc
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
GB30940/60A
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 GB892661A publication Critical patent/GB892661A/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
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
    • H01H33/75—Liquid-break switches, e.g. oil-break

Landscapes

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

Abstract

892,661. Oil-blast switches. ALLMANNA SVENSKA ELEKTRISKA A.B. Sept. 8, 1960 [Sept. 9, 1959], No. 30940/60. Class 38 (5). In an oil-blast switch a pressure-generating chamber 9 communicates with an annular pressure-accumulating chamber 12 through a fixed nozzle contact 3, a non-return valve 4 and openings 10, 11 in the wall of a tubular housing 2. A slot 14 is formed between the lower end of the housing 2 and the bottom of the arc extinguishing chamber 1. When the switch is opened, the pressure generated by the arc drawn in the chamber 9 opens the valve 4 so that the pressure in the chamber 12 is increased. The pressure in the chamber 9 rapidly decreases as the current approaches zero so that the valve 4 closes and the pressure in the chamber 12 forces the oil below the chamber 12 through the slot 14 against the arc. Openings 6 and 13 in the valve 4 and the chamber 1 enable the oil level to be restored after the arc has been extinguished.
GB30940/60A 1959-09-09 1960-09-08 Improvements in oil electric circuit breakers Expired GB892661A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE836559 1959-09-09

Publications (1)

Publication Number Publication Date
GB892661A true GB892661A (en) 1962-03-28

Family

ID=20273873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30940/60A Expired GB892661A (en) 1959-09-09 1960-09-08 Improvements in oil electric circuit breakers

Country Status (4)

Country Link
US (1) US3100248A (en)
CH (1) CH378392A (en)
DE (1) DE1300605B (en)
GB (1) GB892661A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS524067A (en) * 1975-05-30 1977-01-12 Mitsubishi Electric Corp Gas breaker

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH84167A (en) * 1919-07-05 1920-02-16 Carl Dubler Apparatus for delivering newspapers or the like
DE581871C (en) * 1929-07-16 1933-08-04 Siemens Schuckertwerke Akt Ges Expansion switch for interrupting alternating current
DE695436C (en) * 1935-02-17 1940-08-24 Peter Bendmann Erase chamber for liquid switch
DE664899C (en) * 1935-10-04 1938-09-13 Studiengesellschaft Fuer Hochl Circuit breaker with, in particular, a fluid flow that leads over the contact point and is caused by the arc heat
FR878638A (en) * 1941-07-14 1943-01-26 Blown Arc Switch
GB550151A (en) * 1941-08-23 1942-12-24 Electric Construction Co Improvements in liquid-immersed electric circuit breakers
DE941505C (en) * 1941-11-12 1956-04-12 Siemens Ag Fluid switch
US2389346A (en) * 1942-08-08 1945-11-20 Westinghouse Electric Corp Circuit interrupter
DE1017682B (en) * 1953-01-10 1957-10-17 Sachsenwerk Licht & Kraft Ag Loeschkammer for low-oil electrical circuit breakers with a pressure storage chamber
DE1023111B (en) * 1954-06-04 1958-01-23 Asea Ab Fire chamber for low-oil electrical circuit breakers
CH348439A (en) * 1957-03-27 1960-08-31 Oerlikon Maschf Switch with liquid extinguishing medium
DE1125030B (en) * 1957-06-06 1962-03-08 Asea Ab Oil switch extinguishing chamber for medium-high voltages
GB869787A (en) * 1958-10-23 1961-06-07 Asea Ab Oil-blast electric circuit-breaker for high interruption currents

Also Published As

Publication number Publication date
US3100248A (en) 1963-08-06
DE1300605B (en) 1969-08-07
CH378392A (en) 1964-06-15

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