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.
Patent No.:
Date of Patent:
Aug. 20, 2024
Filed:
Jun. 03, 2022
Black & Decker Inc., New Britain, CT (US);
Changxing Lu, Suzhou, CN;
Abraham Sanchez, Lutherville-Timonium, MD (US);
Tong Zheng, Suzhou, CN;
Fulong Liu, Suzhou, CN;
Yeli Gu, Suzhou, CN;
David J. Smith, Columbia, MD (US);
Shailesh P. Waikar, Perry Hall, MD (US);
Black & Decker Inc., New Britain, CT (US);
Abstract
A brushless direct-current (BLDC) motor is provided. The motor includes a stator including a stator core, stator teeth, and windings; a rotor shaft disposed within the stator and extending along a longitudinal axis; and a rotor. The rotor includes a rotor core having a cylindrical body, a permanent magnet ring mounted on an outer surface of the cylindrical body with no intermediate adhesive therebetween, and metal sleeve securely fitted outside the permanent magnet ring. The metal sleeve includes a flange extending radially inwardly that covers an axial end of the permanent magnet ring and is bonded to the rotor core to secure the permanent magnet ring to the rotor core.