3506909

Information

• Patent Grant
• 3506909

• References
• Source

• Patent Number

  3,506,909

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  55 years ago

• CPC

  • H02K23/22 - having compensating or damping winding
  • H02P9/30 - using semiconductor devices

• US Classifications

  • 322 - Electricity: single generator systems
  • 310 - Electrical generator or motor structure
  • 318 - Electricity: motive power systems