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:
Sep. 28, 2021
Filed:
Jul. 11, 2018
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Andrew Kasha, Dearborn, MI (US);
Jacob Krizan, Farmington Hills, MI (US);
Chun Tang, Canton, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 3/487 (2006.01); H02K 1/14 (2006.01); H02K 3/34 (2006.01);
U.S. Cl.
CPC ...
H02K 3/487 (2013.01); H02K 1/148 (2013.01); H02K 3/345 (2013.01);
Abstract
An electric machine includes a stator having teeth that define open slots and slot closers disposed in the slots. Each slot closers includes a flux bridge surrounded by a nonmagnetic case. The slot closer is disposed between adjacent ones of the teeth with the case engaging and spanning the adjacent teeth. The case forms nonmagnetic gaps between the flux bridge and the adjacent teeth, respectively, to reduce potential for torque ripple.