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PARTIALLY SEGMENTED WOUND ROTOR ASSEMBLY FOR HIGH COPPER FILL AND METHOD

United States Patent Application

20160056676
A1
View the Complete Application at the US Patent & Trademark Office
A partially segmented rotor assembly for an electric motor and a method for the same is provided. The partially segmented rotor assembly includes a first rotor segment and a plurality of second rotor segments. The first rotor segment has a plurality of first poles wound with a wire and defines a first circumferential gap between the wire of each adjacent pair of the first poles. Each second rotor segment has a second pole wound with the wire and is rigidly attached to the first rotor segment in a respective one of the first circumferential gaps to form a plurality of second circumferential gaps between the wire of each first pole and the wire of the adjacent second poles. The first and second rotor segments are configured to cooperate with one another to minimize the second circumferential gaps.
Ward, Terence G. (Redondo Beach, CA), Stancu, Constantin C. (Anaheim, CA), Rahman, Khwaja M. (Troy, MI), Gangaraj, Srihari (Troy, MI), Mann, Brooks S. (Redondo Beach, CA)
14/ 467,345
August 25, 2014
CROSS-REFERENCES [0001] This invention was made with U.S. Government support under the U.S. Electric Drive Manufacturing Center--Global RWD Electric Contract: DE-EE0002629 awarded by the Department of Energy. The U.S. Government may have certain rights in this invention.