3544747

Information

• Patent Grant
• 3544747

• References
• Source

• Patent Number

  3,544,747

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1970
  54 years ago

• CPC

  • H01H33/86 - the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve
  • H01H1/021 - Composite materials
  • H01H33/12 - Auxiliary contacts on to which the arc is transferred from the main contacts
  • H01H33/57 - Recuperation of liquid or gas
  • H01H33/72 - having stationary parts for directing the flow of arc-extinguishing fluid

• US Classifications

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