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
  • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
  • H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
  • H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
  • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
  • F23K3/10—Under-feed arrangements

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
• Fluid-Pressure Circuits (AREA)
• Separation By Low-Temperature Treatments (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9207199

Family Applications (1)

Country Status (5)

Family Cites Families (2)

• 0
  • NL NL197693D patent/NL197693A/xx unknown
  • FR FR66049D patent/FR66049E/fr active Active
  • BE BE538420D patent/BE538420A/xx unknown
• 1955
  • 1955-05-26 DE DEM27216A patent/DE1003833B/de active Pending
  • 1955-06-01 GB GB15723/55A patent/GB781120A/en not_active Expired

Also Published As

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