GB1310906A - Gas blas electric circuit breakers - Google Patents

Gas blas electric circuit breakers

Info

Publication number
GB1310906A
GB1310906A GB1599570A GB1599570A GB1310906A GB 1310906 A GB1310906 A GB 1310906A GB 1599570 A GB1599570 A GB 1599570A GB 1599570 A GB1599570 A GB 1599570A GB 1310906 A GB1310906 A GB 1310906A
Authority
GB
United Kingdom
Prior art keywords
gas
circuit breakers
cylinder
blas
electric circuit
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
GB1599570A
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.)
Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA
Original Assignee
Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA
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 Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA filed Critical Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA
Publication of GB1310906A publication Critical patent/GB1310906A/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
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas

Landscapes

  • Circuit Breakers (AREA)
  • Catching Or Destruction (AREA)

Abstract

1310906 Gas blast circuit breakers MAGRINIFABBBICHE RIUNITE MAGRINI SCARPA E MAGNANOMSM SPA 3 April 1970 [3 April 1969] 15995/70 Heading H1N A gas blast circuit breaker has a cylinder 3 slidable over fined piston 6, projections 8 on the piston-head engaging complementary recesses 7 in the cylinder head tapered towards the gas outlets around the movable contact 2. The recesses, preferably four in number, are angularly spaced around the top of the cylinder. (For Figure see next column)
GB1599570A 1969-04-03 1970-04-03 Gas blas electric circuit breakers Expired GB1310906A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1503669 1969-04-03

Publications (1)

Publication Number Publication Date
GB1310906A true GB1310906A (en) 1973-03-21

Family

ID=11146205

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1599570A Expired GB1310906A (en) 1969-04-03 1970-04-03 Gas blas electric circuit breakers

Country Status (9)

Country Link
US (1) US3602670A (en)
JP (1) JPS505378B1 (en)
BE (1) BE766453Q (en)
BR (1) BR7018011D0 (en)
DE (1) DE2015473B2 (en)
FR (1) FR2042842A5 (en)
GB (1) GB1310906A (en)
NO (1) NO128085B (en)
SE (1) SE360947B (en)

Families Citing this family (10)

* 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
NL7607487A (en) * 1975-08-07 1977-02-09 Westinghouse Electric Corp BREATH TYPE PRESSURE GAS SWITCH.
US4048456A (en) * 1976-04-01 1977-09-13 General Electric Company Puffer-type gas-blast circuit breaker
US4387280A (en) * 1978-05-29 1983-06-07 General Electric Company High speed hydraulically-actuated operating system for an electric circuit breaker
YU218778A (en) * 1978-09-15 1982-06-30 Sour Energoinvest Ro Istraziv High-voltage interruption element of a pushing type with an improved and simplified system of arc contact and nozzle
DE3041801C2 (en) * 1980-11-06 1986-11-06 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Auto-pneumatic pressure gas switch
DE3127678A1 (en) * 1981-07-14 1983-02-10 BBC Aktiengesellschaft Brown, Boveri & Cie., 5401 Baden, Aargau HIGH VOLTAGE CIRCUIT BREAKERS
DE3430306C2 (en) * 1984-08-15 1987-03-12 Ernst Prof. Dr.techn.habil. 1000 Berlin Slamecka Electrical pressure gas circuit breaker
DE3822410C1 (en) * 1988-07-01 1989-10-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De Sulphur hexa:fluoride compressed gas switch - has thread between nozzle and cylinder to better withstand force and temp. loading without enlargement of actual mass of nozzle
WO2013013112A1 (en) 2011-07-20 2013-01-24 Pennsylvania Breaker, Llc Gas blast interrupter

Also Published As

Publication number Publication date
US3602670A (en) 1971-08-31
SE360947B (en) 1973-10-08
DE2015473B2 (en) 1979-03-08
BE766453Q (en) 1971-09-16
NO128085B (en) 1973-09-24
BR7018011D0 (en) 1973-01-16
JPS505378B1 (en) 1975-03-03
FR2042842A5 (en) 1971-02-12
DE2015473A1 (en) 1970-10-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee