3829724

Information

• Patent Grant
• 3829724

• References
• Source

• Patent Number

  3,829,724

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  50 years ago

• CPC

  • H02K21/025 - by varying the thickness of the air gap between field and armature
  • G01P3/487 - delivered by rotating magnets
  • H02K7/20 - Structural association with auxiliary dynamo-electric machine
  • H02K21/14 - magnet rotating within armature

• US Classifications

  • 310 - Electrical generator or motor structure