FR41841E - Improvements to oil circuit breaking devices - Google Patents

Improvements to oil circuit breaking devices

Info

Publication number
FR41841E
FR41841E FR41841DA FR41841E FR 41841 E FR41841 E FR 41841E FR 41841D A FR41841D A FR 41841DA FR 41841 E FR41841 E FR 41841E
Authority
FR
France
Prior art keywords
oil circuit
circuit breaking
breaking devices
devices
oil
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 US395412A external-priority patent/US1947224A/en
Priority claimed from US538560A external-priority patent/US1860337A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR41841E publication Critical patent/FR41841E/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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/02—Installations within mirrors, pictures, furniture or other household articles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR41841D 1929-09-26 1932-05-13 Improvements to oil circuit breaking devices Expired FR41841E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US395412A US1947224A (en) 1929-09-26 1929-09-26 Circuit interrupting apparatus
US538560A US1860337A (en) 1931-05-19 1931-05-19 High tension circuit interrupter

Publications (1)

Publication Number Publication Date
FR41841E true FR41841E (en) 1933-04-21

Family

ID=27015096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41841D Expired FR41841E (en) 1929-09-26 1932-05-13 Improvements to oil circuit breaking devices

Country Status (1)

Country Link
FR (1) FR41841E (en)

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