217478 ⎘
Synchronous motors having permanent magnets; Synchronous generators having permanent magnets; Details; Means for mechanical adjustment of the excitation flux by modifying the relative position between field and armature, e.g. between rotor and stator by varying the amount of superposition, i.e. the overlap, of field and armature
Sub-classes:GAS TURBINE ENGINE
#2ELECTRIC MACHINE
#3SELF-REGULATING SMALL WIND TURBINE GENERATOR SYSTEM AND METHOD
#4Variable-field rotary electric machine and vehicle provided with same
#5Variable-speed magnetic coupling having radially movable magnet
#6Variable-output generator for downhole power production
#7Roller device for a traction mechanism drive of a motor vehicle
#8Permanent magnet generator for stabilizing electromotive force
#9Prime mover with integral drivers for providing multiple modes of locomotion