CH227871A - Protective device used to indicate malfunctions on liquid-filled containers, in particular electrical apparatus and machine housings. - Google Patents

Protective device used to indicate malfunctions on liquid-filled containers, in particular electrical apparatus and machine housings.

Info

Publication number
CH227871A
CH227871A CH227871DA CH227871A CH 227871 A CH227871 A CH 227871A CH 227871D A CH227871D A CH 227871DA CH 227871 A CH227871 A CH 227871A
Authority
CH
Switzerland
Prior art keywords
liquid
device used
protective device
electrical apparatus
particular electrical
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 CH227871A publication Critical patent/CH227871A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
CH227871D 1941-06-04 1942-06-02 Protective device used to indicate malfunctions on liquid-filled containers, in particular electrical apparatus and machine housings. CH227871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE227871X 1941-06-04

Publications (1)

Publication Number Publication Date
CH227871A true CH227871A (en) 1943-07-15

Family

ID=5866882

Family Applications (1)

Application Number Title Priority Date Filing Date
CH227871D CH227871A (en) 1941-06-04 1942-06-02 Protective device used to indicate malfunctions on liquid-filled containers, in particular electrical apparatus and machine housings.

Country Status (3)

Country Link
BE (1) BE446277A (en)
CH (1) CH227871A (en)
FR (1) FR883660A (en)

Also Published As

Publication number Publication date
BE446277A (en)
FR883660A (en) 1943-07-12

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