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:
Sep. 26, 2023
Filed:
Mar. 15, 2021
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Xiaofeng Yang, Troy, MI (US);
Thomas W. Nehl, Shelby Township, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/32 (2006.01); H02K 1/27 (2022.01); H02K 1/276 (2022.01);
U.S. Cl.
CPC ...
H02K 1/32 (2013.01); H02K 1/276 (2013.01);
Abstract
A rotor core for an electric motor includes a core stack including a plurality of identical lamination plates, each lamination plate including a plurality of magnet slots formed therein, the magnet slots of each of the lamination plates axially aligned and adapted to support a plurality of permanent magnets therein, and a plurality of heat conductive inserts extending axially through the core stack and adapted to conduct heat from inner portions of the core stack outward toward distal ends of the core stack.