3887855

Information

• Patent Grant
• 3887855

• References
• Source

• Patent Number

  3,887,855

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1975
  49 years ago

• CPC

  • H02P7/2985 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • B66C13/24 - by dc motors
  • Y10S388/93 - Load or torque

• US Classifications

  • 388 - Electricity: motor control systems
  • 318 - Electricity: motive power systems