Spark suppression of induction type rotors of dynamoelectric mac

Special motor windings for the suppression of a specific harmoni

Specialized actuators driven by oscillatory transducers

Speed changing device for electric fans

Speed control

Speed control in self-powered eddy current drive

Speed detector for use on a dc motor

Speed governor

Speed insensitive wheel detector

Speed or angular position electromagnetic transducer

Speed reducing equipment, particularly for vehicles

Speed reduction motor with integral hermetic gear case

Speed selection for a direct current permanent magnet motor

Speed sensor

Speed sensor for an electromagnetic machine

Speed-variable single phase induction motor

Spherical bearing for electrical machines with permanent...

Spherical cam clutch for servoactuator

Spherical motor rotating in multiple degrees of freedom

Spherical motor using oscillatory magnetic fields