Pulsating torque apparatus and method
Resonant motor system
Resonant motor system
Reversible variable-speed 2-phase electric motor
Single phase AC motor control device
Single phase AC motor speed control system
Start control arrangement for split phase induction motor
Static phase conversion circuits for three-phase motors
Static phase converter
System for insuring rotational direction for an alternating curr
Three phase AC motor controller
Torque reversing motor control structure and method
Two-phase AC electric motor control circuit
Universal commutator for A.C. motors
Variable motor speed control for automatic washer
Variable speed motor
Variable speed motor apparatus and method for forming same from
Variable speed motor control circuit
Variable speed motor control system
Washing machine motor control system