3584278

Information

• Patent Grant
• 3584278

• References
• Source

• Patent Number

  3,584,278

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1971
  53 years ago

• CPC

  • H02P27/026 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • B66C13/26 - by ac motors
  • H02P3/24 - by applying dc to the motor
  • H02P23/24 - Controlling the direction
  • H02P25/20 - for pole-changing
  • H02P27/02 - using supply voltage with constant frequency and variable amplitude
  • B66C2700/081 - with ac motors

• US Classifications

  • 318 - Electricity: motive power systems