3551623

Information

• Patent Grant
• 3551623

• References
• Source

• Patent Number

  3,551,623

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  54 years ago

• CPC

  • G05D16/2093 - with combination of electric and non-electric auxiliary power
  • F02K9/805 - servo-mechanisms or control devices therefor
  • F15B9/17 - with electrical control means
  • H01H33/12 - Auxiliary contacts on to which the arc is transferred from the main contacts
  • H01H33/882 - the movement being assisted by accelerating coils

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets