FR1580712A - - Google Patents

Info

Publication number
FR1580712A
FR1580712A FR1580712DA FR1580712A FR 1580712 A FR1580712 A FR 1580712A FR 1580712D A FR1580712D A FR 1580712DA FR 1580712 A FR1580712 A FR 1580712A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1580712A publication Critical patent/FR1580712A/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
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
FR1580712D 1967-09-28 1968-09-17 Expired FR1580712A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3424067 1967-09-28
GB4424067 1967-09-28

Publications (1)

Publication Number Publication Date
FR1580712A true FR1580712A (zh) 1969-09-05

Family

ID=26262212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1580712D Expired FR1580712A (zh) 1967-09-28 1968-09-17

Country Status (2)

Country Link
CH (1) CH489890A (zh)
FR (1) FR1580712A (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2272477A1 (zh) * 1974-05-22 1975-12-19 Gratzmuller J
US4139753A (en) * 1976-09-21 1979-02-13 Westinghouse Electric Corp. Puffer-type compressed-gas circuit-interrupter having improved separable contact structure
FR2408906A1 (fr) * 1977-10-31 1979-06-08 Merlin Gerin Dispositif a autosoufflage a depression pour appareil de coupure a haute tension
FR2761520A1 (fr) * 1997-03-27 1998-10-02 Gec Alsthom T & D Sa Disjoncteur a moyenne tension a faible energie de manoeuvre

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2272477A1 (zh) * 1974-05-22 1975-12-19 Gratzmuller J
US4139753A (en) * 1976-09-21 1979-02-13 Westinghouse Electric Corp. Puffer-type compressed-gas circuit-interrupter having improved separable contact structure
FR2408906A1 (fr) * 1977-10-31 1979-06-08 Merlin Gerin Dispositif a autosoufflage a depression pour appareil de coupure a haute tension
FR2761520A1 (fr) * 1997-03-27 1998-10-02 Gec Alsthom T & D Sa Disjoncteur a moyenne tension a faible energie de manoeuvre

Also Published As

Publication number Publication date
CH489890A (fr) 1970-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse