CH229048A - Protective device for liquid-filled containers, in particular electrical machines and apparatus filled with insulating oil. - Google Patents

Protective device for liquid-filled containers, in particular electrical machines and apparatus filled with insulating oil.

Info

Publication number
CH229048A
CH229048A CH229048DA CH229048A CH 229048 A CH229048 A CH 229048A CH 229048D A CH229048D A CH 229048DA CH 229048 A CH229048 A CH 229048A
Authority
CH
Switzerland
Prior art keywords
filled
liquid
protective device
electrical machines
insulating oil
Prior art date
Application number
Other languages
German (de)
Inventor
Hermes Patentverwertun Haftung
Original Assignee
Hermes Patentverwertungs Gmbh
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 Hermes Patentverwertungs Gmbh filed Critical Hermes Patentverwertungs Gmbh
Publication of CH229048A publication Critical patent/CH229048A/en

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
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55—Oil reservoirs or tanks; Lowering means therefor
    • H01H33/555—Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
CH229048D 1941-07-03 1942-06-27 Protective device for liquid-filled containers, in particular electrical machines and apparatus filled with insulating oil. CH229048A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE229048X 1941-07-03

Publications (1)

Publication Number Publication Date
CH229048A true CH229048A (en) 1943-09-30

Family

ID=5867563

Family Applications (1)

Application Number Title Priority Date Filing Date
CH229048D CH229048A (en) 1941-07-03 1942-06-27 Protective device for liquid-filled containers, in particular electrical machines and apparatus filled with insulating oil.

Country Status (3)

Country Link
BE (1) BE446887A (en)
CH (1) CH229048A (en)
FR (1) FR885491A (en)

Also Published As

Publication number Publication date
FR885491A (en) 1943-09-16
BE446887A (en)

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