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FRACTIONAL SLOT MULTIPHASE MACHINES WITH OPEN SLOTS FOR SIMPLIFIED CONDUCTOR INSERTION IN A STATOR

United States Patent Application

20110012467
A1
View the Complete Application at the US Patent & Trademark Office
A stator assembly for use with an electric motor includes, but is not limited to, a stator core having an inner surface and a plurality of open slots defined in the inner surface. The stator assembly also includes a winding having multiple conductors. The winding is coupled to the stator core such that a predetermined quantity of conductors is disposed within each open slot. The winding is configured to control a magnitude of a torque ripple produced by operation of the electric motor.
BLISSENBACH, ROLF (ROLLING HILLS ESTATES, CA), DANG, DANG DINH (GARDEN GROVE, CA), HATCH, ERIK (CYPRESS, CA), MILANI, MICHAEL (RANCHO PALOS VERDES, CA)
GM GLOBAL TECHNOLOGY OPERATIONS, INC. (DETROIT MI)
12/ 503,692
July 15, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with Government support under Integrated Traction Drive System for HEV, PHEV, FCV (DE-FC26-07NT43123), awarded by the US-Department of Energy. The Government has certain rights in this invention.