With Added Motor Winding Or Convertible To Series Motor Patents (Class 318/726)
  • Patent number: 6108488
    Abstract: A speed control system for a brushless repulsion motor of the type including a series of armature mounted switches for shorting circumferentially spaced armature coils, said system comprising: a digital counter on the armature for creating a repetitive succession of switch activating signals in a selected sequence at a given rate determined by the counting rate of the counter; means for activating the switches with the signals in the sequence and at the rate to control the speed of the armature; and, means for directing a reference pulse signal at a reference frequency to the counter to set the counting rate of the counter.
    Type: Grant
    Filed: February 10, 1999
    Date of Patent: August 22, 2000
    Inventor: Lambert Haner