FR702489A - Improvements to oil circuit breaking devices - Google Patents

Improvements to oil circuit breaking devices

Info

Publication number
FR702489A
FR702489A FR702489DA FR702489A FR 702489 A FR702489 A FR 702489A FR 702489D A FR702489D A FR 702489DA FR 702489 A FR702489 A FR 702489A
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
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR702489A publication Critical patent/FR702489A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
FR702489D 1929-09-26 1930-09-24 Improvements to oil circuit breaking devices Expired FR702489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US395412A US1947224A (en) 1929-09-26 1929-09-26 Circuit interrupting apparatus

Publications (1)

Publication Number Publication Date
FR702489A true FR702489A (en) 1931-04-09

Family

ID=23562916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702489D Expired FR702489A (en) 1929-09-26 1930-09-24 Improvements to oil circuit breaking devices

Country Status (5)

Country Link
US (1) US1947224A (en)
BE (1) BE373643A (en)
DE (1) DE595621C (en)
FR (1) FR702489A (en)
GB (1) GB364031A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757995C (en) * 1937-07-19 1953-04-16 Siemens Schuckertwerke A G Heavy duty switch
DE757996C (en) * 1937-07-20 1953-02-02 Siemens Schuckertwerke A G Heavy duty switch
GB570496A (en) * 1943-08-09 1945-07-10 British Thomson Houston Co Ltd Improvements in gas blast electric circuit breakers
US3132226A (en) * 1960-12-09 1964-05-05 Gen Electric Oil filled fuse cutout with arc interrupting means
DE1465392A1 (en) * 1964-11-07 1969-03-27 Calor Emag Elek Zitaets Ag High voltage switchgear
CN110470046B (en) * 2019-06-27 2021-03-30 孙敏婕 Fixed-frequency air conditioning unit fixing device and method

Also Published As

Publication number Publication date
BE373643A (en)
US1947224A (en) 1934-02-13
DE595621C (en) 1934-04-17
GB364031A (en) 1931-12-28

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