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:
Feb. 06, 2024
Filed:
Sep. 10, 2020
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventor:
Chuanbing Rong, Canton, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/02 (2006.01); H01F 1/053 (2006.01); H01F 1/14 (2006.01); H02K 1/27 (2022.01); H02K 21/14 (2006.01); H02K 1/276 (2022.01);
U.S. Cl.
CPC ...
H02K 1/02 (2013.01); H01F 1/053 (2013.01); H01F 1/14 (2013.01); H02K 1/276 (2013.01); H02K 21/14 (2013.01);
Abstract
A rotor of an electric machine includes a rotor core defining a magnet channel extending axially between opposing ends of the rotor core. A permanent magnet is disposed in the channel and has opposing ends and opposing major sides. The magnet includes a central piece of anisotropic magnetic material having a first magnetically easy crystallographic axis, and a corner piece of anisotropic magnetic material joined to the central piece and having a second magnetically easy crystallographic axis that is oblique to the first easy axis.