Inner-Rotor Type Motor and Stator Thereof
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United States of America Patent
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Jul 21, 2017
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Sep 1, 2016
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Abstract
An inner-rotor motor including a housing, a stator and a rotor is provided to avoid the damage to the coil unit which often occurs during the assembly of the conventional inner-rotor motor. The housing has an inner periphery provided with a plurality of protrusions. The iron core has an outer periphery provided with a plurality of notches. The insulating sleeve includes a plurality of positioning members. In radial directions perpendicular to the shaft, each of the plurality of notches is spaced from a center of a shaft at a minimal distance, and each of the plurality of positioning members is spaced from the center of the shaft at a maximal distance. The maximal distance is smaller than the minimal distance.
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