Muncy, Geissler, Olds & Lowe, P.C.
Single phase permanent magnet motor
A single phase permanent magnet motor includes a stator and a rotor relative to the stator. The stator includes a stator core with a winding wound therearound. The stator core includes stacked first and second stator core laminations. The first stator core lamination includes a plurality of first pole shoes. The second stator core lamination includes a plurality of second pole shoes. The structures of the first pole shoes and the second pole shoes are different. The first pole shoes and the second pole shoes are stacked substantially along the axial direction of the motor. The present invention reduces vibration and noise caused by the use of a single type of core laminations in the prior art.
JOHNSON ELECTRIC INTERNATIONAL AG
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Yue Yong Yong Chui You
Li Li Wang Zhou