Patent ID: 11881750
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A motor assembly for use with a power tool, the motor assembly comprising:
a motor housing;
a brushless electric motor disposed at least partially in the motor housing; and
a PCB assembly coupled to the motor housing, the PCB assembly including
a heat sink,
a power PCB coupled to a first side of the heat sink, and
a position sensor PCB coupled to a second side of the heat sink opposite the first side and in facing relationship with the motor,
wherein the heat sink includes a recess, and wherein the position sensor PCB is received within the recess,
wherein the heat sink includes a plurality of holes aligned with respective holes formed in the power PCB, and
wherein the heat sink includes a plurality of tracks extending between the recess and the holes.