FR49205E - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR49205E
FR49205E FR49205DA FR49205E FR 49205 E FR49205 E FR 49205E FR 49205D A FR49205D A FR 49205DA FR 49205 E FR49205 E FR 49205E
Authority
FR
France
Prior art keywords
electrical switches
switches
electrical
Prior art date
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)
Inventor
Debuit
Gerardin
Gorjup
Latour
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
Application granted granted Critical
Publication of FR49205E publication Critical patent/FR49205E/en
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
FR49205D 1937-08-02 1937-08-02 Improvements to electrical switches Expired FR49205E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49205T 1937-08-02

Publications (1)

Publication Number Publication Date
FR49205E true FR49205E (en) 1938-12-07

Family

ID=8684415

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49205D Expired FR49205E (en) 1937-08-02 1937-08-02 Improvements to electrical switches

Country Status (1)

Country Link
FR (1) FR49205E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283728A1 (en) * 1987-02-26 1988-09-28 Mitsubishi Denki Kabushiki Kaisha Gas-blast load-break switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283728A1 (en) * 1987-02-26 1988-09-28 Mitsubishi Denki Kabushiki Kaisha Gas-blast load-break switch
US4829150A (en) * 1987-02-26 1989-05-09 Mitsubishi Denki Kabushiki Kaisha Gas-blask load-break switch

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