FR2377695B1 - - Google Patents

Info

Publication number
FR2377695B1
FR2377695B1 FR7701373A FR7701373A FR2377695B1 FR 2377695 B1 FR2377695 B1 FR 2377695B1 FR 7701373 A FR7701373 A FR 7701373A FR 7701373 A FR7701373 A FR 7701373A FR 2377695 B1 FR2377695 B1 FR 2377695B1
Authority
FR
France
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
FR7701373A
Other languages
French (fr)
Other versions
FR2377695A1 (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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
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 Merlin Gerin SA filed Critical Merlin Gerin SA
Priority to FR7701373A priority Critical patent/FR2377695A1/en
Priority to CH1548477A priority patent/CH618811A5/en
Priority to IT6989177A priority patent/IT1091531B/en
Priority to BE184347A priority patent/BE862937A/en
Priority to DE19782801979 priority patent/DE2801979A1/en
Publication of FR2377695A1 publication Critical patent/FR2377695A1/en
Application granted granted Critical
Publication of FR2377695B1 publication Critical patent/FR2377695B1/fr
Granted 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
    • 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
FR7701373A 1977-01-18 1977-01-18 Automatic arc extinction system in circuit breaker - has sleeve with holes coaxially surrounding contacts Granted FR2377695A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7701373A FR2377695A1 (en) 1977-01-18 1977-01-18 Automatic arc extinction system in circuit breaker - has sleeve with holes coaxially surrounding contacts
CH1548477A CH618811A5 (en) 1977-01-18 1977-12-16 Self-blasting breaker switch with shield limiting the flow of the blasting gas
IT6989177A IT1091531B (en) 1977-01-18 1977-12-23 SELF-BLASTING SCREEN SWITCH FOR BLOWING GAS FLOW LIMITATION
BE184347A BE862937A (en) 1977-01-18 1978-01-16 SELF-BLOWING SWITCH WITH SCREEN BLOWER GAS FLOW LIMITER
DE19782801979 DE2801979A1 (en) 1977-01-18 1978-01-18 SELF-INFLATING DISCONNECTOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7701373A FR2377695A1 (en) 1977-01-18 1977-01-18 Automatic arc extinction system in circuit breaker - has sleeve with holes coaxially surrounding contacts

Publications (2)

Publication Number Publication Date
FR2377695A1 FR2377695A1 (en) 1978-08-11
FR2377695B1 true FR2377695B1 (en) 1980-11-21

Family

ID=9185643

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701373A Granted FR2377695A1 (en) 1977-01-18 1977-01-18 Automatic arc extinction system in circuit breaker - has sleeve with holes coaxially surrounding contacts

Country Status (5)

Country Link
BE (1) BE862937A (en)
CH (1) CH618811A5 (en)
DE (1) DE2801979A1 (en)
FR (1) FR2377695A1 (en)
IT (1) IT1091531B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5916234A (en) * 1982-07-19 1984-01-27 株式会社富士電機総合研究所 Breaking chamber for gas breaker
CH662443A5 (en) * 1983-10-28 1987-09-30 Bbc Brown Boveri & Cie EXHAUST GAS SWITCH.
FR2676858B1 (en) * 1991-05-23 1994-06-10 Alsthom Gec HIGH AND MEDIUM VOLTAGE BLOW GAS CIRCUIT BREAKER.
JP4421331B2 (en) * 2004-02-26 2010-02-24 株式会社東芝 Gas circuit breaker
CN101162663B (en) * 2007-10-22 2013-11-27 沈阳工业大学 Cyclone type nozzle high-pressure blowing circuit breakers with groove
CN102364656B (en) * 2011-10-13 2016-01-20 沈阳工业大学 Revolve gas formula energy separation type high pressure SF 6circuit breaker and energy separation method thereof
EP3261107A1 (en) * 2016-06-20 2017-12-27 ABB Schweiz AG Gas-insulated low- or medium-voltage switch with swirling device

Also Published As

Publication number Publication date
DE2801979A1 (en) 1978-07-20
CH618811A5 (en) 1980-08-15
IT1091531B (en) 1985-07-06
FR2377695A1 (en) 1978-08-11
BE862937A (en) 1978-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse