FR476941A - Switch contacts in oil - Google Patents

Switch contacts in oil

Info

Publication number
FR476941A
FR476941A FR476941DA FR476941A FR 476941 A FR476941 A FR 476941A FR 476941D A FR476941D A FR 476941DA FR 476941 A FR476941 A FR 476941A
Authority
FR
France
Prior art keywords
oil
switch contacts
contacts
switch
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.)
Maljournal & Bourron Des Ets
Original Assignee
Maljournal & Bourron Des Ets
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 Maljournal & Bourron Des Ets filed Critical Maljournal & Bourron Des Ets
Application granted granted Critical
Publication of FR476941A publication Critical patent/FR476941A/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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
FR476941D 1914-04-08 1914-04-08 Switch contacts in oil Expired FR476941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR476941T 1914-04-08

Publications (1)

Publication Number Publication Date
FR476941A true FR476941A (en) 1915-09-09

Family

ID=1514660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR476941D Expired FR476941A (en) 1914-04-08 1914-04-08 Switch contacts in oil

Country Status (1)

Country Link
FR (1) FR476941A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045090A (en) * 1959-05-08 1962-07-17 Mc Graw Edison Co Tap changer movable contact
FR2458882A1 (en) * 1979-06-07 1981-01-02 Westinghouse Electric Corp DOUBLE ANTI-ARC CONTACT FOR CIRCUIT BREAKER
FR2691574A1 (en) * 1992-05-21 1993-11-26 Nora Permelec France Sarl De Electrical contact device for high intensity direct current circuit - has two sacrificial contacts on elastic strips which maintain button contacts until after principal double contacts separate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045090A (en) * 1959-05-08 1962-07-17 Mc Graw Edison Co Tap changer movable contact
FR2458882A1 (en) * 1979-06-07 1981-01-02 Westinghouse Electric Corp DOUBLE ANTI-ARC CONTACT FOR CIRCUIT BREAKER
FR2691574A1 (en) * 1992-05-21 1993-11-26 Nora Permelec France Sarl De Electrical contact device for high intensity direct current circuit - has two sacrificial contacts on elastic strips which maintain button contacts until after principal double contacts separate

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