CH223859A - Warning device for indicating gas formation, oil flow and oil loss in oil-filled electrical apparatus and machines. - Google Patents

Warning device for indicating gas formation, oil flow and oil loss in oil-filled electrical apparatus and machines.

Info

Publication number
CH223859A
CH223859A CH223859DA CH223859A CH 223859 A CH223859 A CH 223859A CH 223859D A CH223859D A CH 223859DA CH 223859 A CH223859 A CH 223859A
Authority
CH
Switzerland
Prior art keywords
oil
machines
warning device
electrical apparatus
gas formation
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 CH223859A publication Critical patent/CH223859A/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
    • 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
    • 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
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
CH223859D 1939-06-07 1940-05-27 Warning device for indicating gas formation, oil flow and oil loss in oil-filled electrical apparatus and machines. CH223859A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE223859X 1939-06-07

Publications (1)

Publication Number Publication Date
CH223859A true CH223859A (en) 1942-10-15

Family

ID=5852739

Family Applications (1)

Application Number Title Priority Date Filing Date
CH223859D CH223859A (en) 1939-06-07 1940-05-27 Warning device for indicating gas formation, oil flow and oil loss in oil-filled electrical apparatus and machines.

Country Status (4)

Country Link
BE (1) BE442822A (en)
CH (1) CH223859A (en)
FR (1) FR869850A (en)
NL (1) NL55503C (en)

Also Published As

Publication number Publication date
FR869850A (en) 1942-02-20
BE442822A (en)
NL55503C (en)

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