Importance

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Abstract

Apparatus and methods for providing and controlling a permanent magnet electro-mechanical device that functions as a motor or generator are disclosed. The electro-mechanical device uses control coils to steer magnetic flux of permanent magnets placed between stator segments. The control coils can be wound around the bridge of a stator segment, the poles of a stator segment or both. The electro-mechanical device can be single phase or multi-phase and can include controllers, sensors, a thermal/electrical insulating structure, or a reluctance gap. The stator poles are grouped and designed with an angular spacing that is based on the number of permanent magnets. The electro-mechanical device has a higher power density than conventional motors and generators and operates more efficiently, while operating at cooler temperatures.

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First Claim