FR2072457A5 - - Google Patents

Info

Publication number
FR2072457A5
FR2072457A5 FR7042538A FR7042538A FR2072457A5 FR 2072457 A5 FR2072457 A5 FR 2072457A5 FR 7042538 A FR7042538 A FR 7042538A FR 7042538 A FR7042538 A FR 7042538A FR 2072457 A5 FR2072457 A5 FR 2072457A5
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
FR7042538A
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
Application granted granted Critical
Publication of FR2072457A5 publication Critical patent/FR2072457A5/fr
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
    • H01H33/7015—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
FR7042538A 1969-11-27 1970-11-26 Expired FR2072457A5 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2497369 1969-11-27
CH515771 1971-04-08

Publications (1)

Publication Number Publication Date
FR2072457A5 true FR2072457A5 (fr) 1971-09-24

Family

ID=25697107

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7042538A Expired FR2072457A5 (fr) 1969-11-27 1970-11-26

Country Status (6)

Country Link
US (1) US3668352A (fr)
BE (1) BE764619Q (fr)
CH (1) CH537092A (fr)
DE (1) DE2057686A1 (fr)
FR (1) FR2072457A5 (fr)
GB (1) GB1336734A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0469330A2 (fr) * 1990-08-03 1992-02-05 Hitachi, Ltd. Disjoncteur à gaz comprimé
FR2692401A1 (fr) * 1992-06-10 1993-12-17 Gec Alsthom T & D Sa Buse de disjoncteur à plusieurs divergents.
FR2692400A1 (fr) * 1992-06-10 1993-12-17 Alsthom Gec Buse de soufflage à plusieurs divergents.

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556603A (de) * 1973-03-20 1974-11-29 Bbc Brown Boveri & Cie In einer schaltkammer eines elektrischen schalters, insbesondere eines sf6-druckgasschalters, angeordneter bauteil aus unter der einwirkung der lichtbogenwaerme gasabgebendem werkstoff.
IT985690B (it) * 1973-06-14 1974-12-10 Magrini Fab Riun Scarpa Camera di interruzione per interrut tori elettrici a gas compresso auto soffiante
CA1243342A (fr) * 1983-08-24 1988-10-18 Fumihiro Endo Disjoncteur a gaz
JP2771305B2 (ja) * 1990-03-13 1998-07-02 株式会社日立製作所 ガス遮断器
FR3030106B1 (fr) * 2014-12-11 2017-01-13 Alstom Technology Ltd Dispositif de coupure electrique haute tension a autosoufflage optimise

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE388499A (fr) * 1931-05-21
US3291948A (en) * 1964-08-06 1966-12-13 Westinghouse Electric Corp Orifice structure for compressed gas-circuit interrupter
DE1254218B (de) * 1965-11-10 1967-11-16 Licentia Gmbh Druckgasschalter
US3551625A (en) * 1966-09-01 1970-12-29 Westinghouse Electric Corp Circuit breakers
FR1549097A (fr) * 1967-01-03 1968-12-06

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0469330A2 (fr) * 1990-08-03 1992-02-05 Hitachi, Ltd. Disjoncteur à gaz comprimé
EP0469330A3 (en) * 1990-08-03 1992-04-15 Hitachi, Ltd. Gas blast circuit breaker
FR2692401A1 (fr) * 1992-06-10 1993-12-17 Gec Alsthom T & D Sa Buse de disjoncteur à plusieurs divergents.
FR2692400A1 (fr) * 1992-06-10 1993-12-17 Alsthom Gec Buse de soufflage à plusieurs divergents.

Also Published As

Publication number Publication date
CH537092A (de) 1973-06-29
DE2057686A1 (de) 1971-06-03
GB1336734A (en) 1973-11-07
US3668352A (en) 1972-06-06
BE764619Q (fr) 1971-08-16

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Legal Events

Date Code Title Description
ST Notification of lapse