3214542

Information

• Patent Grant
• 3214542

• References
• Source

• Patent Number

  3,214,542

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1965
  59 years ago

• CPC

  • H01H33/86 - the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve
  • H01H9/08 - Arrangements to facilitate replacement of a switch
  • H01H33/122 - both breaker and sectionaliser being enclosed
  • H01H33/16 - Impedances connected with contacts
  • H01H33/302 - for fluid insulated switchgear, wherein the insulating fluid is also the working fluid

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices