CPC B25F 5/008 (2013.01) [B23D 45/044 (2013.01); B25F 5/02 (2013.01); H01M 10/42 (2013.01); H02K 7/145 (2013.01); H02K 11/215 (2016.01); H02K 11/33 (2016.01); H01M 2010/4271 (2013.01); H01M 2220/30 (2013.01)] | 18 Claims |
1. A power tool comprising:
a tool housing;
a brushless DC (BLDC) motor assembly including a motor housing disposed within the tool housing and having a substantially-cylindrical main body with a rear end at least partially closing the main body, the motor assembly further including a stator and a rotor rotatable relative to the stator both disposed within the motor housing;
a power module including a printed circuit board (PCB) and a plurality of power switches mounted on the PCB and electrically coupled to the motor assembly, wherein the PCB includes a width that is greater than a diameter of the motor assembly; and
a mounting bracket secured to an end of the motor assembly and including a mating portion arranged to mate with the end of the motor assembly, a plurality of mount posts extending radially-outwardly from the mating portion, and a plurality of axial walls extending between outer ends of the plurality of mount posts and at least partially housing the power module to support the PCB in a substantially parallel orientation relative to the rear end of the motor assembly,
wherein the mating portion comprises a substantially cylindrical portion arranged to mate around a circumferential portion of the motor housing at or near the rear end of the motor housing.
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