FR568256A - Safety valve for the oil tank of electrical appliances - Google Patents

Safety valve for the oil tank of electrical appliances

Info

Publication number
FR568256A
FR568256A FR568256DA FR568256A FR 568256 A FR568256 A FR 568256A FR 568256D A FR568256D A FR 568256DA FR 568256 A FR568256 A FR 568256A
Authority
FR
France
Prior art keywords
oil tank
safety valve
electrical appliances
appliances
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.)
BROWN
BBC Brown Boveri AG Germany
Original Assignee
BROWN
Brown Boveri und Cie AG Germany
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 BROWN, Brown Boveri und Cie AG Germany filed Critical BROWN
Application granted granted Critical
Publication of FR568256A publication Critical patent/FR568256A/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
    • H01H33/02Details
    • H01H33/53Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55Oil reservoirs or tanks; Lowering means therefor
FR568256D 1922-07-06 1923-06-30 Safety valve for the oil tank of electrical appliances Expired FR568256A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE568256X 1922-07-06

Publications (1)

Publication Number Publication Date
FR568256A true FR568256A (en) 1924-03-21

Family

ID=6568056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR568256D Expired FR568256A (en) 1922-07-06 1923-06-30 Safety valve for the oil tank of electrical appliances

Country Status (1)

Country Link
FR (1) FR568256A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422070A (en) * 1941-11-28 1947-06-10 Joseph G Bettencourt Liquid sealed pipe cap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422070A (en) * 1941-11-28 1947-06-10 Joseph G Bettencourt Liquid sealed pipe cap

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