Divided housing unipolar dynamoelectric machine

Door or gate obstruction control

Double dc coil timing circuit

Drive circuit and electric motor for submersible pumps

Drive circuit for a brushless dc motor

Drive circuit for a brushless motor

Drive circuit for an alternate phase brushless dc motor

Drive circuit for controlling a resonant motor

Drive circuit for inductive load

Drive circuit for step motor

Drive circuits for direct current electric motors

Drive device with two mutually counteracting motors for...

Drive having a three-phase asynchronous motor with slip ring...

Drive system for a water pump with rotatable sealing...

Drive system for a.c. voltage motors

Drive system for rotary mechanical translating devices

Drive system of synchronous motors sharing a common load

Driving circuit for switched reluctance machines

Driving system comprising a reluctance motor

Dual load control circuit