Patent ID: 11916447
Assignee: BLACK & DECKER, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. A brushless direct-current (BLDC) motor comprising:
a stator including a stator core, a plurality of teeth, and a plurality of windings;
a rotor shaft disposed within the stator and extending along a longitudinal axis; and
a rotor comprising a rotor core including a central opening for receiving the rotor shaft and a plurality of openings formed around the central opening, a permanent magnet located outside an outer surface of the rotor core, and a mold structure formed through the plurality of openings of the rotor core and in contact with an axial end of the permanent magnet to secure the permanent magnet to the rotor core,
wherein the mold structure integrally forms a fan on one side of the permanent magnet.