FR2089725A5 - - Google Patents

Info

Publication number
FR2089725A5
FR2089725A5 FR7113388A FR7113388A FR2089725A5 FR 2089725 A5 FR2089725 A5 FR 2089725A5 FR 7113388 A FR7113388 A FR 7113388A FR 7113388 A FR7113388 A FR 7113388A FR 2089725 A5 FR2089725 A5 FR 2089725A5
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
FR7113388A
Other languages
French (fr)
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 FR2089725A5 publication Critical patent/FR2089725A5/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
FR7113388A 1970-04-16 1971-04-15 Expired FR2089725A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2339470 1970-04-16

Publications (1)

Publication Number Publication Date
FR2089725A5 true FR2089725A5 (en) 1972-01-07

Family

ID=11206694

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7113388A Expired FR2089725A5 (en) 1970-04-16 1971-04-15

Country Status (12)

Country Link
US (1) US3670125A (en)
JP (1) JPS5341346B1 (en)
BE (1) BE765779A (en)
BR (1) BR7102243D0 (en)
CA (1) CA938966A (en)
CH (1) CH535487A (en)
DE (1) DE2118166C3 (en)
ES (1) ES390208A1 (en)
FR (1) FR2089725A5 (en)
GB (1) GB1351860A (en)
NO (1) NO129596B (en)
SE (1) SE371531B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2233697A1 (en) * 1973-06-14 1975-01-10 Magrini Spa Galileo
DE102009009450A1 (en) * 2009-02-13 2010-08-19 Siemens Aktiengesellschaft Switchgear arrangement

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556603A (en) * 1973-03-20 1974-11-29 Bbc Brown Boveri & Cie IN A SWITCHING CHAMBER OF AN ELECTRIC SWITCH, IN PARTICULAR A SF6 COMPRESSED GAS SWITCH, A COMPONENT MADE OF A MATERIAL EMITING GAS UNDER THE EFFECT OF ARC HEAT.
JPS5615818A (en) * 1979-07-19 1981-02-16 Makoto Kusakabe Filter chamber for shelter
US4667072A (en) * 1983-08-24 1987-05-19 Hitachi, Ltd. Gas-insulated circuit breaker
WO2010112058A1 (en) * 2009-03-30 2010-10-07 Abb Research Ltd Circuit breaker
CN114496615B (en) * 2022-02-14 2023-11-10 平高集团有限公司 Spout connection structure and explosion chamber and circuit breaker

Family Cites Families (3)

* 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
CH380212A (en) * 1960-03-16 1964-07-31 Oerlikon Maschf Quenching device for circuit breakers with fixed and moving contacts
US3291948A (en) * 1964-08-06 1966-12-13 Westinghouse Electric Corp Orifice structure for compressed gas-circuit interrupter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2233697A1 (en) * 1973-06-14 1975-01-10 Magrini Spa Galileo
DE102009009450A1 (en) * 2009-02-13 2010-08-19 Siemens Aktiengesellschaft Switchgear arrangement

Also Published As

Publication number Publication date
SE371531B (en) 1974-11-18
DE2118166A1 (en) 1971-10-28
BR7102243D0 (en) 1973-06-12
GB1351860A (en) 1974-05-01
NO129596B (en) 1974-04-29
DE2118166B2 (en) 1980-10-30
US3670125A (en) 1972-06-13
JPS5341346B1 (en) 1978-11-02
CA938966A (en) 1973-12-25
BE765779A (en) 1971-10-15
DE2118166C3 (en) 1981-09-17
ES390208A1 (en) 1973-06-16
CH535487A (en) 1973-03-31

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Legal Events

Date Code Title Description
ST Notification of lapse