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:
Jul. 23, 2024
Filed:
Apr. 21, 2022
GM Global Technology Operations Llc, Detroit, MI (US);
Derek Frei Lahr, Howell, MI (US);
Anthony Michael Coppola, Rochester Hills, MI (US);
Alireza Fatemi, Canton, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A rotor of an electric machine includes: N pole pieces, each of the N pole pieces including two half pole pieces, where N is an integer greater than 2; apertures through the half pole pieces, respectively; permanent magnets disposed within the apertures, respectively, the permanent magnets including, in each of the N pole pieces, a first permanent magnet of a first magnetic polarity and a second permanent magnet of a second magnetic polarity; and structural non-magnetic portions disposed in gaps of the half pole pieces, respectively, and configured to magnetically disconnect a rotor web from a q-axis flux guide.