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:
Dec. 29, 2020
Filed:
Dec. 11, 2017
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/12 (2006.01); H02K 1/12 (2006.01); H02K 1/02 (2006.01); H02K 15/02 (2006.01); H02K 1/27 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H02K 15/12 (2013.01); H02K 1/02 (2013.01); H02K 1/12 (2013.01); H02K 15/02 (2013.01); H01F 41/0233 (2013.01); H02K 1/274 (2013.01); H02K 1/2766 (2013.01); H02K 2213/03 (2013.01);
Abstract
A method of manufacturing a stator is provided. The method may include stamping a fully-processed steel into a set of laminations having hardened outer edge areas. The method may further include flash annealing the laminations to concentrate thermal energy in the inner and outer edge areas relative to central areas of the laminations to drive a hardness of the inner and outer edge areas toward a hardness of the central areas to relieve residual stress and decrease iron loss of the laminations.