FR547606A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR547606A
FR547606A FR547606DA FR547606A FR 547606 A FR547606 A FR 547606A FR 547606D A FR547606D A FR 547606DA FR 547606 A FR547606 A FR 547606A
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
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR547606A publication Critical patent/FR547606A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/98Switches 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/53Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/57Recuperation of liquid or gas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/72Switches 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
    • H01H33/75Liquid-break switches, e.g. oil-break
FR547606D 1921-02-08 1922-02-07 Improvements to electrical switches Expired FR547606A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR547606A true FR547606A (en) 1922-12-20

Family

ID=23760810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR547606D Expired FR547606A (en) 1921-02-08 1922-02-07 Improvements to electrical switches

Country Status (2)

Country Link
US (1) US1537353A (en)
FR (1) FR547606A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE763038C (en) * 1933-02-24 1953-07-27 Neumann Hochspannungs App G M Electric switch with vaporizable liquid
DE757307C (en) * 1939-03-18 1954-04-12 Neumann E Circuit breaker with extinguishing fluid
DE1155508B (en) * 1958-09-19 1963-10-10 Continental Elektro Ind Ag Switching vessel for low-oil circuit breakers with an expansion space above the filling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE763038C (en) * 1933-02-24 1953-07-27 Neumann Hochspannungs App G M Electric switch with vaporizable liquid
DE757307C (en) * 1939-03-18 1954-04-12 Neumann E Circuit breaker with extinguishing fluid
DE1155508B (en) * 1958-09-19 1963-10-10 Continental Elektro Ind Ag Switching vessel for low-oil circuit breakers with an expansion space above the filling

Also Published As

Publication number Publication date
US1537353A (en) 1925-05-12

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