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:
Aug. 05, 2025
Filed:
Jun. 13, 2023
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Wanfeng Li, Novi, MI (US);
Franco Leonardi, Dearborn Heights, MI (US);
Michael Degner, Novi, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01F 13/00 (2006.01); H02P 5/46 (2006.01);
U.S. Cl.
CPC ...
H01F 13/006 (2013.01); H02P 5/46 (2013.01);
Abstract
Methods and systems for demagnetizing a rotor. The method includes, in one example, adjusting a position of magnetic poles mounted on a frame in a demagnetization system in relation to a first electric machine rotor, and decreasing the magnetization of the first electric machine rotor via operation of the demagnetization system to generate an electromagnetic field.