D-c voltage control
D. c. motor
D.c. driven machine tool with air-cooled spindle
Damped rotor for a multi-channel generating system
Damper screen rotor for protruding pole alternator
Damper winding for turbine generator rotors
Damper winding in a salient-pole type synchronous machine
Dc brushless motor having radial winding and radial air gap...
Dc brushless vibration motor
Dc generator
Dc induction electric motor generator
Dc magnetic motor assembly
Dc magnetic motor with speed control
Dc motor
Dc motor windings commutated by magnetically controllable...
Dc motor with a durable pigtail arrangement
Dc motor with ferrite permanent magnet field poles
Dc motor with u-shaped rotor-coil wire having inclined...
Dc pulse electric generating system
Decreased drag high efficiency electric generator