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FR26722E - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR26722E
FR26722E FR26722DA FR26722E FR 26722 E FR26722 E FR 26722E FR 26722D A FR26722D A FR 26722DA FR 26722 E FR26722 E FR 26722E
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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
Priority claimed from US443440A external-priority patent/US1537353A/en
Priority claimed from US491128A external-priority patent/US1550165A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR26722E publication Critical patent/FR26722E/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
    • H01H33/98—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being initiated by an auxiliary arc or a section of the arc, without any moving parts for producing or increasing the flow
    • 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
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/57—Recuperation of liquid or gas
    • 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
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
    • H01H33/75—Liquid-break switches, e.g. oil-break
FR26722D 1921-02-08 1922-08-03 Improvements to electrical switches Expired FR26722E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US443440A US1537353A (en) 1921-02-08 1921-02-08 Electric switch
US491128A US1550165A (en) 1921-08-10 1921-08-10 Electric switch

Publications (1)

Publication Number Publication Date
FR26722E true FR26722E (en) 1924-03-06

Family

ID=27412178

Family Applications (1)

Application Number Title Priority Date Filing Date
FR26722D Expired FR26722E (en) 1921-02-08 1922-08-03 Improvements to electrical switches

Country Status (1)

Country Link
FR (1) FR26722E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757307C (en) * 1939-03-18 1954-04-12 Neumann E Circuit breaker with extinguishing fluid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757307C (en) * 1939-03-18 1954-04-12 Neumann E Circuit breaker with extinguishing fluid

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