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:
Jun. 20, 2023
Filed:
Dec. 17, 2020
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Leyi Zhu, Novi, MI (US);
Chun Tang, Canton, MI (US);
Franco Leonardi, Dearborn Heights, MI (US);
Michael W. Degner, Novi, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/14 (2006.01); H02K 1/274 (2022.01); H01F 1/12 (2006.01); H01F 7/02 (2006.01); B33Y 80/00 (2015.01);
U.S. Cl.
CPC ...
H02K 1/146 (2013.01); H01F 1/12 (2013.01); H01F 7/02 (2013.01); H02K 1/274 (2013.01); B33Y 80/00 (2014.12); H02K 2201/03 (2013.01);
Abstract
An electric machine stator includes a soft magnetic yoke having a cylindrical yoke body extending along a central axis, with an outer surface and an inner periphery defining a central opening about the central axis, and a plurality of soft magnetic stator teeth. Each stator tooth defines a first set of air pockets, and a second set of air pockets. An electric machine rotor and permanent magnet material with air pockets are also provided.