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
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
  • H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• Measuring Volume Flow (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7505122

Family Applications (1)

Country Status (5)

Families Citing this family (1)

• 0
  • BE BE620119D patent/BE620119A/xx unknown
  • NL NL277398D patent/NL277398A/xx unknown
• 1962
  • 1962-03-28 CH CH370662A patent/CH399585A/de unknown
  • 1962-07-27 GB GB2905562A patent/GB1000727A/en not_active Expired
  • 1962-07-30 JP JP4260462U patent/JPS393012Y1/ja not_active Expired

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