ROTOR FOR MODULATED POLE MACHINE
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United States of America Patent
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Issued Date -
Jun 4, 2015
app pub date -
Jun 17, 2013
filing date -
Jun 20, 2012
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Abstract
A rotor for a modulated pole machine, the modulated pole machine including a stator, the rotor, and an active gap between respective interface surfaces of the rotor and the stator for communicating magnetic flux between the stator and the rotor, the rotor being adapted to rotate relative to the stator around an axis of the rotor, and the rotor including a plurality of permanent magnets separated from each other in the circumferential direction by pole pieces; wherein each pole piece includes an interface surface facing the active air gap, wherein the interface surface of one or more of the pole pieces includes different portions having a different radial distance from the axis.
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