EG19734A - Gas blast circuit breaker - Google Patents

Gas blast circuit breaker

Info

Publication number
EG19734A
EG19734A EG43391A EG43391A EG19734A EG 19734 A EG19734 A EG 19734A EG 43391 A EG43391 A EG 43391A EG 43391 A EG43391 A EG 43391A EG 19734 A EG19734 A EG 19734A
Authority
EG
Egypt
Prior art keywords
circuit breaker
gas blast
blast circuit
gas
breaker
Prior art date
Application number
EG43391A
Inventor
Masanori Tsukushi
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of EG19734A publication Critical patent/EG19734A/en

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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • 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
    • H01H33/7076—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by the use of special materials
EG43391A 1990-08-03 1991-07-16 Gas blast circuit breaker EG19734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2205003A JPH0495322A (en) 1990-08-03 1990-08-03 Gas blast circuit breaker

Publications (1)

Publication Number Publication Date
EG19734A true EG19734A (en) 1996-02-29

Family

ID=16499842

Family Applications (1)

Application Number Title Priority Date Filing Date
EG43391A EG19734A (en) 1990-08-03 1991-07-16 Gas blast circuit breaker

Country Status (9)

Country Link
EP (1) EP0469330B1 (en)
JP (1) JPH0495322A (en)
KR (1) KR0182774B1 (en)
CN (1) CN1028133C (en)
CA (1) CA2046262C (en)
DE (1) DE69114598T2 (en)
EG (1) EG19734A (en)
RU (1) RU2018990C1 (en)
ZA (1) ZA916027B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4420386C2 (en) * 1994-05-31 1998-07-02 Siemens Ag Pressurized gas circuit breaker with an insulating nozzle
JP4931721B2 (en) * 2007-07-26 2012-05-16 三菱電機株式会社 Insulation nozzle for circuit breaker
EP2648202A1 (en) * 2012-04-05 2013-10-09 ABB Technology AG Circuit breaker
DE102013108154A1 (en) * 2013-07-30 2015-02-05 Abb Technology Ag breakers
CN108807043B (en) * 2017-04-28 2019-11-08 比亚迪股份有限公司 Relay

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2057686A1 (en) * 1969-11-27 1971-06-03 Magrini Fab Riun Scarpa Improved blower opening unit for a self-extinguishing electrical pressure gas switch
JPS6057169B2 (en) * 1978-05-15 1985-12-13 株式会社日立製作所 Patshua type gas shield disconnector
CH653477A5 (en) * 1980-01-11 1985-12-31 Sprecher & Schuh Ag BLOW NOZZLE FOR A PRESSURE GAS SWITCH.
JPS5760627A (en) * 1980-09-29 1982-04-12 Hitachi Ltd Fluorine gas insulating electric device
JPS57210507A (en) * 1981-06-22 1982-12-24 Hitachi Ltd Breaker
JPS5823130A (en) * 1981-07-31 1983-02-10 株式会社日立製作所 Breaker
JPS5933724A (en) * 1982-08-19 1984-02-23 三菱電機株式会社 Gas breaker
US4667072A (en) * 1983-08-24 1987-05-19 Hitachi, Ltd. Gas-insulated circuit breaker
JPS60218722A (en) * 1984-04-13 1985-11-01 株式会社日立製作所 Gas breaker
CH665054A5 (en) * 1985-01-18 1988-04-15 Sprecher Energie Ag EXHAUST GAS SWITCH.
JPS61188825A (en) * 1985-02-15 1986-08-22 株式会社日立製作所 Buffer type gas breaker
JPS6293823A (en) * 1985-10-18 1987-04-30 富士電機株式会社 Insulated nozzle for gas circuit breaker

Also Published As

Publication number Publication date
CN1058670A (en) 1992-02-12
ZA916027B (en) 1992-04-29
CN1028133C (en) 1995-04-05
EP0469330A2 (en) 1992-02-05
EP0469330B1 (en) 1995-11-15
CA2046262C (en) 1996-05-07
RU2018990C1 (en) 1994-08-30
EP0469330A3 (en) 1992-04-15
DE69114598D1 (en) 1995-12-21
JPH0495322A (en) 1992-03-27
KR920005201A (en) 1992-03-28
KR0182774B1 (en) 1999-05-15
DE69114598T2 (en) 1996-07-11
CA2046262A1 (en) 1992-02-04

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