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

Claim 0:
1. 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 plurality of holes aligned with respective holes formed in the power PCB, and
wherein the brushless electric motor includes coil contact plates with terminals that extend through the holes in the heat sink to electrically connect to the power PCB.