1924190

Information

• Patent Grant
• 1924190

• References
• Source

• Patent Number

  1,924,190

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1933
  92 years ago

• CPC

  • H02P9/16 - due to variation of ohmic resistance in field circuit, using resistances switched in or out of circuit step by step
  • Y10T307/484 - Sequential or alternating
  • Y10T307/793 - Speed, centrifugal or kinetic force

• US Classifications

  • 322 - Electricity: single generator systems
  • 200 - Electricity: circuit makers and breakers
  • 307 - Electrical transmission or interconnection systems
  • 338 - Electrical resistors