3818299

Information

• Patent Grant
• 3818299

• References
• Source

• Patent Number

  3,818,299

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • H02P25/186 - whereby the speed is regulated by using a periodic interrupter
  • H02P7/2885 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • H02P7/2913 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • H02P25/14 - Universal motors
  • Y10S388/905 - Armature and field windings connected in series
  • Y10S388/917 - Thyristor or scr
  • Y10S388/924 - Centrifugal device
  • Y10S388/937 - Hand tool

• US Classifications

  • 388 - Electricity: motor control systems