CPC H02K 7/145 (2013.01) [H02K 1/16 (2013.01); H02K 1/2733 (2013.01)] | 19 Claims |
1. A power tool comprising:
a tool housing;
a support plate provided within the tool housing; and
a brushless direct-current (BLDC) motor received within the housing, comprising:
a stator assembly including a stator core, a plurality of stator teeth radially extending from the stator core and defining a plurality of slots therebetween, and a plurality of stator windings wound around the plurality of stator teeth;
a rotor shaft extending along a longitudinal axis;
a front motor bearing mounted on the rotor shaft and supported by the support plate;
a rear motor bearing mounted on the rotor shaft; and
a rotor comprising a rotor core mounted on the rotor shaft within the stator assembly and a magnet mounted on an outer surface of the rotor core, the rotor core defining an annular recess within which at portion of the front bearing and a portion of the support plate are located such that the a radial plane intersects the front bearing, the magnet, and the stator core;
wherein the support plate includes a first radial wall extending adjacent the stator assembly and a second radial wall extending radially inwardly of the plurality of stator windings adjacent the rotor core.
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