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:
Oct. 13, 2026
Filed:
Oct. 30, 2024
GM Global Technology Operations Llc, Detroit, MI (US);
Ali Alqarni, Greenfield, WI (US);
Alireza Fatemi, Canton, MI (US);
Thomas W. Nehl, Shelby Township, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A permanent magnet rotor assembly for an electric motor, an electrified vehicle, and a method is provided. The assembly includes an annular stack of rotor lamination layers ('rotor lams') constructed of a magnetic core material. The rotor lams have inner axial surfaces collectively defining a group of first openings through the magnetic core material and a group of second openings through the magnetic core material. The annular stack includes a first arrangement of permanent magnets and a second arrangement of permanent magnets.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile