3524954

Information

• Patent Grant
• 3524954

• References
• Source

• Patent Number

  3,524,954

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1970
  54 years ago

• CPC

  • H01H3/52 - with means to ensure stopping at intermediate operative positions
  • H01H3/605 - making use of a fluid damper
  • H01H33/16 - Impedances connected with contacts
  • H01H33/7038 - characterised by a conducting tubular gas flow enhancing nozzle
  • H01H33/82 - the fluid being air or gas
  • H01H33/86 - the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve

• US Classifications

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