FR803177A - Protective device for electric appliances filled with oil - Google Patents

Protective device for electric appliances filled with oil

Info

Publication number
FR803177A
FR803177A FR803177DA FR803177A FR 803177 A FR803177 A FR 803177A FR 803177D A FR803177D A FR 803177DA FR 803177 A FR803177 A FR 803177A
Authority
FR
France
Prior art keywords
filled
oil
protective device
electric appliances
appliances
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.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens AG
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 Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR803177A publication Critical patent/FR803177A/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
    • H01H33/53—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)
  • Removal Of Floating Material (AREA)
FR803177D 1934-12-21 1935-12-20 Protective device for electric appliances filled with oil Expired FR803177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE803177X 1934-12-21

Publications (1)

Publication Number Publication Date
FR803177A true FR803177A (en) 1936-09-24

Family

ID=50552532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR803177D Expired FR803177A (en) 1934-12-21 1935-12-20 Protective device for electric appliances filled with oil

Country Status (2)

Country Link
CH (1) CH192227A (en)
FR (1) FR803177A (en)

Also Published As

Publication number Publication date
CH192227A (en) 1937-07-31

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