3515970

Information

• Patent Grant
• 3515970

• References
• Source

• Patent Number

  3,515,970

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1970
  54 years ago

• CPC

  • H02P7/298 - controlling armature and field supply
  • H02P7/288 - using variable impedance
  • Y10S388/905 - Armature and field windings connected in series

• US Classifications

  • 318 - Electricity: motive power systems
  • 388 - Electricity: motor control systems