GB484457A - Improvements in or relating to protective devices for oil-filled electric apparatus - Google Patents

Improvements in or relating to protective devices for oil-filled electric apparatus

Info

Publication number
GB484457A
GB484457A GB31056/37A GB3105637A GB484457A GB 484457 A GB484457 A GB 484457A GB 31056/37 A GB31056/37 A GB 31056/37A GB 3105637 A GB3105637 A GB 3105637A GB 484457 A GB484457 A GB 484457A
Authority
GB
United Kingdom
Prior art keywords
oil
float
flow
switch
electric apparatus
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
GB31056/37A
Other languages
English (en)
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
Publication of GB484457A publication Critical patent/GB484457A/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)
  • Housings And Mounting Of Transformers (AREA)
  • Transformer Cooling (AREA)
GB31056/37A 1936-11-19 1937-11-11 Improvements in or relating to protective devices for oil-filled electric apparatus Expired GB484457A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES124992D DE664701C (de) 1936-11-19 1936-11-19 Schutzvorrichtung fuer oelgefuellte elektrische Apparate

Publications (1)

Publication Number Publication Date
GB484457A true GB484457A (en) 1938-05-05

Family

ID=50552529

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31056/37A Expired GB484457A (en) 1936-11-19 1937-11-11 Improvements in or relating to protective devices for oil-filled electric apparatus

Country Status (4)

Country Link
CH (1) CH200165A (de)
DE (1) DE664701C (de)
FR (1) FR829388A (de)
GB (1) GB484457A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE766253C (de) * 1938-09-13 1952-05-15 Siemens Schuckertwerke A G OElschuetz
DE741490C (de) * 1940-09-25 1943-11-11 Max Bucholz Vorrichtung zur UEbertragung einer durch die Ansammlung von Luft oder Gas in einem mit Fluessigkeit gefuellten Gefaess hervorgerufenen Bewegung auf eine Anzeige- oder Kontakteinrichtung
DE744392C (de) * 1940-10-04 1944-01-14 Max Buchholz Schutzvorrichtung fuer elektrische Geraete mit fluessiger Isolation, z. B. OEltransformatoren
DE755544C (de) * 1941-06-04 1953-08-31 Siemens Schuckertwerke A G Schutzeinrichtung zum Anzeigen von Stoerungen in fluessigkeits-gefuellten Behaeltern, insbesondere elektrischen Geraete- und Maschinengehaeusen
DE760881C (de) * 1941-07-03 1954-03-15 Siemens Schuckertwerke A G Schutzeinrichtung fuer mit einem fluessigen Isoliermittel gefuellte elektrische Maschinen und Geraete
DE943544C (de) * 1944-08-05 1956-05-24 Aeg Fluessigkeitsgefuellter elektrischer Hochspannungsapparat
DE974715C (de) * 1953-08-28 1961-04-06 Bosch Gmbh Robert Abschaltvorrichtung fuer in Gehaeuse eingebaute Kondensatoren
DE10361884B3 (de) 2003-12-19 2005-08-11 Siemens Ag Vorrichtung und Verfahren zur Überwachung eines Gasvolumens in einer mit Flüssigkeit befüllten Anlage

Also Published As

Publication number Publication date
CH200165A (de) 1938-09-30
FR829388A (fr) 1938-06-24
DE664701C (de) 1938-09-05

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