2162490

Information

• Patent Grant
• 2162490

• References
• Source

• Patent Number

  2,162,490

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1939
  85 years ago

• CPC

  • H02P25/186 - whereby the speed is regulated by using a periodic interrupter
  • Y10S388/924 - Centrifugal device

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 188 - Brakes
  • 307 - Electrical transmission or interconnection systems
  • 310 - Electrical generator or motor structure
  • 388 - Electricity: motor control systems