BE761251A - EXTINGUISHING DEVICE FOR PRESSURIZED FLUID BLOWING CUTTING DEVICES - Google Patents

EXTINGUISHING DEVICE FOR PRESSURIZED FLUID BLOWING CUTTING DEVICES

Info

Publication number
BE761251A
BE761251A BE761251A BE761251A BE761251A BE 761251 A BE761251 A BE 761251A BE 761251 A BE761251 A BE 761251A BE 761251 A BE761251 A BE 761251A BE 761251 A BE761251 A BE 761251A
Authority
BE
Belgium
Prior art keywords
pressurized fluid
extinguishing device
cutting devices
fluid blowing
blowing cutting
Prior art date
Application number
BE761251A
Other languages
French (fr)
Original Assignee
Alsthom Cgee
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 Alsthom Cgee filed Critical Alsthom Cgee
Publication of BE761251A publication Critical patent/BE761251A/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
BE761251A 1970-01-16 1971-01-06 EXTINGUISHING DEVICE FOR PRESSURIZED FLUID BLOWING CUTTING DEVICES BE761251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7001607A FR2076494A5 (en) 1970-01-16 1970-01-16

Publications (1)

Publication Number Publication Date
BE761251A true BE761251A (en) 1971-07-06

Family

ID=9049163

Family Applications (1)

Application Number Title Priority Date Filing Date
BE761251A BE761251A (en) 1970-01-16 1971-01-06 EXTINGUISHING DEVICE FOR PRESSURIZED FLUID BLOWING CUTTING DEVICES

Country Status (7)

Country Link
US (1) US3708639A (en)
BE (1) BE761251A (en)
CA (1) CA934411A (en)
CH (1) CH522284A (en)
ES (1) ES194407Y (en)
FR (1) FR2076494A5 (en)
GB (1) GB1329740A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT985690B (en) * 1973-06-14 1974-12-10 Magrini Fab Riun Scarpa INTERRUPTION CHAMBER FOR SELF-BLOWERING ELECTRIC COMPRESSED GAS SWITCHES
DE2438017C3 (en) * 1974-08-05 1981-07-02 Siemens AG, 1000 Berlin und 8000 München Gas switch
CH617534A5 (en) * 1977-06-24 1980-05-30 Inst Cercetari Moderniza Cut-off chamber for high-voltage electric circuit breaker
US4289942A (en) * 1977-07-29 1981-09-15 Westinghouse Electric Corp. Gas-blast circuit-interrupter with multiple insulating arc-shield construction
CH629910A5 (en) * 1978-06-13 1982-05-14 Sprecher & Schuh Ag Gas-blast circuit breaker
FR2438906A2 (en) * 1978-10-09 1980-05-09 Merlin Gerin Circuit breaker with automatic blower - uses gas flow which increases as electrode gap widens adjacent to slotted annular screen
CH648153A5 (en) * 1979-04-24 1985-02-28 Sprecher & Schuh Ag EXHAUST GAS SWITCH.
JPS58181222A (en) * 1982-04-19 1983-10-22 株式会社東芝 Dc breaking device
DE3421356A1 (en) * 1984-05-08 1985-11-14 BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau EXHAUST GAS SWITCH
JP2771305B2 (en) * 1990-03-13 1998-07-02 株式会社日立製作所 Gas circuit breaker
EP3261107A1 (en) * 2016-06-20 2017-12-27 ABB Schweiz AG Gas-insulated low- or medium-voltage switch with swirling device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150245A (en) * 1957-09-13 1964-09-22 Westinghouse Electric Corp Liquefied gas circuit interrupters

Also Published As

Publication number Publication date
ES194407U (en) 1974-12-01
CA934411A (en) 1973-09-25
US3708639A (en) 1973-01-02
GB1329740A (en) 1973-09-12
FR2076494A5 (en) 1971-10-15
ES194407Y (en) 1975-03-16
CH522284A (en) 1972-06-15

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