3553554

Information

• Patent Grant
• 3553554

• References
• Source

• Patent Number

  3,553,554

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • H02P7/298 - controlling armature and field supply
  • B66C13/24 - by dc motors
  • H02P7/2815 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • H02P7/2985 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

• US Classifications

  • 318 - Electricity: motive power systems