The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 04, 2025

Filed:

Dec. 07, 2022
Applicant:

Black & Decker Inc., New Britain, CT (US);

Inventors:

Tong Zheng, Suzhou, CN;

Yuming Zhou, Yangzhou, CN;

Weifeng Qian, Suzhou, CN;

Pengcheng Shen, Suzhou, CN;

Assignee:

BLACK & DECKER INC., New Britain, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/15 (2006.01); B25F 5/00 (2006.01); H02K 5/173 (2006.01); H02K 7/08 (2006.01); H02K 7/116 (2006.01); H02K 7/14 (2006.01); H02K 9/06 (2006.01); H02K 21/22 (2006.01); B25B 21/02 (2006.01); H02K 11/215 (2016.01);
U.S. Cl.
CPC ...
H02K 7/145 (2013.01); B25F 5/001 (2013.01); H02K 5/15 (2013.01); H02K 5/1735 (2013.01); H02K 7/085 (2013.01); H02K 7/116 (2013.01); H02K 9/06 (2013.01); H02K 21/22 (2013.01); B25B 21/02 (2013.01); H02K 11/215 (2016.01); H02K 2211/03 (2013.01);
Abstract

A brushless direct-current (BLDC) motor is provided including: a stator including a stator core having an aperture extending therethrough and a series of stator windings; and a rotor including a rotor core having a substantially cylindrical body, permanent magnets secured to an inner surface of the rotor core, a rotor shaft extending through the stator, and an overmold structure. The overmold structure includes: a radially body extending adjacent an axial end of the stator and coupled to the rotor shaft via a bushing, and a peripheral body formed around an outer surface and axial end surfaces of the rotor core and structurally securing the permanent magnets to the inner surface of the rotor core.


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