Patents Assigned to Papst Motoren GmbH und Co. KG
  • Reluctance motor
    Patent number: 4370580
    Abstract: A reluctance motor with a squirrel-cage external rotor has a magnetically active yoke cross-section which is narrowed over the bottom of the rotor slots at least in the pole middle. In a small region corresponding only to part of the pole pitch and located around the pole middle series of non-magnetic portions are provided in the rotor yoke. The stator winding of the motor is provided as a machine-wound winding with one coil for each pole and phase.
    Type: Grant
    Filed: June 12, 1980
    Date of Patent: January 25, 1983
    Assignee: Papst Motoren GmbH und Co. KG
    Inventor: Martin Burgbacher