3559020

Information

• Patent Grant
• 3559020

• References
• Source

• Patent Number

  3,559,020

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1971
  53 years ago

• CPC

  • H02P7/298 - controlling armature and field supply
  • B60L15/12 - with circuits controlled by relays or contactors
  • B60L2200/26 - Rail vehicles
  • Y02T10/645 - Control strategies for dc machines
  • Y02T10/646 - Number of electric drive machines
  • Y02T10/648 - Two electric drive machines
  • Y10S388/92 - Chopper

• US Classifications

  • 388 - Electricity: motor control systems