2201006

Information

• Patent Grant
• 2201006

• References
• Source

• Patent Number

  2,201,006

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1940
  85 years ago

• CPC

  • H02P25/325 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • H02K17/40 - with a rotary ac/dc converter
  • H02P5/74 - controlling two or more ac dynamo-electric motors

• US Classifications

  • 318 - Electricity: motive power systems
  • 315 - Electric lamp and discharge devices: systems