FR2089724A5 - - Google Patents

Info

Publication number
FR2089724A5
FR2089724A5 FR7113387A FR7113387A FR2089724A5 FR 2089724 A5 FR2089724 A5 FR 2089724A5 FR 7113387 A FR7113387 A FR 7113387A FR 7113387 A FR7113387 A FR 7113387A FR 2089724 A5 FR2089724 A5 FR 2089724A5
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
FR7113387A
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 FR2089724A5 publication Critical patent/FR2089724A5/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
FR7113387A 1970-04-16 1971-04-15 Expired FR2089724A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2339370 1970-04-16

Publications (1)

Publication Number Publication Date
FR2089724A5 true FR2089724A5 (en) 1972-01-07

Family

ID=11206685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7113387A Expired FR2089724A5 (en) 1970-04-16 1971-04-15

Country Status (12)

Country Link
US (1) US3670124A (en)
JP (1) JPS5341345B1 (en)
BE (1) BE765778A (en)
BR (1) BR7102242D0 (en)
CA (1) CA933555A (en)
CH (1) CH535488A (en)
DE (1) DE2118167C3 (en)
ES (1) ES390207A1 (en)
FR (1) FR2089724A5 (en)
GB (1) GB1352228A (en)
NO (1) NO129595B (en)
SE (1) SE362531B (en)

Families Citing this family (4)

* 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.
CH629910A5 (en) * 1978-06-13 1982-05-14 Sprecher & Schuh Ag Gas-blast circuit breaker
US4339641A (en) * 1980-05-27 1982-07-13 General Electric Company Nozzle for a puffer-type circuit breaker
CA1243342A (en) * 1983-08-24 1988-10-18 Fumihiro Endo Gas-insulated circuit breaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1307668A (en) * 1961-12-07 1962-10-26 Brown Pneumatic switch with nozzle contact
US3291948A (en) * 1964-08-06 1966-12-13 Westinghouse Electric Corp Orifice structure for compressed gas-circuit interrupter
FR1549097A (en) * 1967-01-03 1968-12-06

Also Published As

Publication number Publication date
ES390207A1 (en) 1973-07-01
CH535488A (en) 1973-03-31
GB1352228A (en) 1974-05-08
US3670124A (en) 1972-06-13
DE2118167B2 (en) 1980-10-30
SE362531B (en) 1973-12-10
CA933555A (en) 1973-09-11
BE765778A (en) 1971-10-15
JPS5341345B1 (en) 1978-11-02
DE2118167A1 (en) 1971-10-28
DE2118167C3 (en) 1981-09-17
BR7102242D0 (en) 1973-04-19
NO129595B (en) 1974-04-29

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Legal Events

Date Code Title Description
ST Notification of lapse