Importance

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Abstract

A rotor for an electrical machine includes a rotor hub comprising a multi-faceted surface extending along a perimeter of the rotor hub. Each facet of the multi-faceted surface may have a substantially planar surface. A plurality of permanent magnet assemblies is disposed circumferentially around the multi-faceted surface. Each individual permanent magnet assembly of the plurality of permanent magnet assemblies is coupled to the substantially planar surface of a corresponding facet. Each individual permanent magnet assembly comprises a first magnet segment polarized in a direction substantially orthogonal to the planar surface of the corresponding facet to which to which a particular permanent magnet assembly comprising the first permanent magnet pole segment is coupled, and at least a second permanent magnet pole segment of the particular permanent magnet assembly polarized in a direction substantially parallel to the planar surface of the corresponding facet to which to which the particular permanent magnet assembly is coupled.

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First Claim