2697194

Information

• Patent Grant
• 2697194

• References
• Source

• Patent Number

  2,697,194

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1954
  70 years ago

• CPC

  • H02P7/305 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • Y10S388/914 - Thyratron or ignitron

• US Classifications

  • 388 - Electricity: motor control systems
  • 318 - Electricity: motive power systems
  • 322 - Electricity: single generator systems
  • 363 - Electric power conversion systems