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

Landscapes

• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Fluid Mechanics (AREA)
• Power Engineering (AREA)
• Housings And Mounting Of Transformers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4556404

Family Applications (1)

Country Status (3)

• 0
  • BE BE518463D patent/BE518463A/xx unknown
• 1952
  • 1952-06-04 CH CH300694D patent/CH300694A/de unknown
• 1953
  • 1953-03-12 FR FR1081139D patent/FR1081139A/fr not_active Expired

Also Published As

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