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. 16, 2021
Filed:
Oct. 04, 2018
American Axle & Manufacturing, Inc., Detroit, MI (US);
Jeffrey J. Ronning, Grosse Pointe Farms, MI (US);
John C. Morgante, Sterling Heights, MI (US);
American Axle & Manufacturing, Inc., Detroit, MI (US);
Abstract
An electric motor with a stator that is formed of a plurality of laminations. Each of the laminations has a radially inner lamination edge, which borders a rotor aperture configured to receive a rotor therein, and a radially outer lamination edge. Each of the laminations has a plurality of cooling apertures formed there through. The cooling apertures formed in a given one of the laminations are disposed radially between the radially outer lamination edge and the radially inner lamination edge. Each of the laminations is sealingly coupled to at least one other lamination. Each cooling aperture in a lamination forms part of a distinct cooling channel that extends along an axial length of the stator. At least a portion of the cooling apertures in each of the cooling channels are staggered circumferentially about a motor axis of the electric motor.