INTERIOR PERMANENT MAGNET ROTOR
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United States of America Patent
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app pub date -
Aug 30, 2016
filing date -
Aug 30, 2016
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Abstract
An interior permanent magnet (IPM) rotor as a well as method for providing and a system that includes an IPM rotor is provided. The IPM rotor includes a rotor body that rotates around a central rotational axis, wherein the rotor body is a ferromagnetic core with a central axial bore and is included of a plurality of rotor segments, wherein each rotor segment corresponds to a pole of the IPM motor, and wherein at least one of the rotor segments of the plurality of rotor segments includes a spoke-type interior permanent magnet (IPM) disposed within the rotor body and extending radially outward from the central axial bore to an outer surface of the rotor body, and a curved interior permanent magnet (IPM) disposed within the rotor body and extending radially outward at an incline with respect to a radial plane extending through a center of the spoke-type IPM.
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