Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
  • H01H5/02—Energy stored by the attraction or repulsion of magnetic parts
• • 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
  • H01H35/24—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
  • H01H35/405—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 the switch being of the reed switch type
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
  • H01H9/0005—Tap change devices
  • H01H9/0044—Casings; Mountings; Disposition in transformer housing

Applications Claiming Priority (1)

Publications (1)

Family

ID=5697615

Family Applications (1)

Country Status (8)

Cited By (2)

• 1969
  • 1969-06-17 CH CH953669A patent/CH489880A/de not_active IP Right Cessation
  • 1969-06-17 FR FR6920124A patent/FR2011684A1/fr not_active Withdrawn
  • 1969-06-23 SE SE883569A patent/SE349708B/xx unknown
  • 1969-06-25 AT AT604569A patent/AT291376B/de active
  • 1969-06-25 BE BE735118D patent/BE735118A/xx unknown
  • 1969-06-25 NL NL6909712A patent/NL6909712A/xx unknown
  • 1969-06-25 JP JP4974869A patent/JPS4716587B1/ja active Pending
  • 1969-06-26 PL PL13443769A patent/PL80102B1/pl unknown

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