Patents Assigned to Xolox Corportion
  • Simplified spindle motor for disc drive
    Patent number: 5057731
    Abstract: A dynamoelectric machine intended for use as a three-phase spindle motor in a computer disc drive. The motor includes a stator having nine poles, only six being provided with coils. A rotor has eight permanent magnet poles that coaxially surround in operative relation the nine poles. The six windings are connected to define three discrete electrical phases.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: October 15, 1991
    Assignee: Xolox Corportion
    Inventor: Clyde J. Hancock