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ASYMMETRIC SALIENT PERMANENT MAGNET SYNCHRONOUS MACHINE

United States Patent Application

20170005555
A1
View the Complete Application at the US Patent & Trademark Office
A permanent magnet machine is disclosed, including a stator assembly which includes a housing, a stator backiron, a plurality of windings disposed in the housing coupled to a plurality of electrical connections, and a plurality of stator teeth coupled to the stator backiron. The permanent magnet also includes a rotor assembly which includes a center configured to couple to a mechanical coupling member disposed about the center, an inner core, positioned around the center, an outer core disposed around the inner core, and a plurality of outwardly protruding poles radially located within the stator assembly each outwardly protruding pole having an outer surface adjacent to at least one tooth of the plurality of teeth. Each outer surface of each outwardly protruding pole having a rotor tooth extending from the outer core and a permanent magnet disposed next to the rotor tooth.
Alsawalhi, Jamal Y. (West Lafayette, IN), Sudhoff, Scott D. (West Lafayette, IN)
Purdue Research Foundation (West Lafayette IN)
15/ 200,305
July 1, 2016
STATEMENT REGARDING GOVERNMENT FUNDING [0002] This invention was made with government support under NNX12AM04G awarded by National Aeronautics and Space Administration and Contract No. DE-EE0005568 awarded by the U.S. Department of Energy to the Hoosier Heavy Center of Excellence Fellowship. The government has certain rights in the invention.