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:
Jan. 04, 2022
Filed:
Jun. 06, 2019
GM Global Technology Operations Llc, Detroit, MI (US);
Yew Sum Leong, Northville, MI (US);
Srihari K. Gangaraj, Troy, MI (US);
Paramesh Chintala, Rochester Hills, MI (US);
Scott Vaubel, Attica, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A motor stator includes a plurality of stacked annular stator laminates defining a stator core having a plurality of stator teeth on an inner diameter thereof, at least some of the plurality of stator laminates including a plurality of coolant openings therethrough. The plurality of coolant openings of adjacent stator laminates communicate with one another in order to define cooling channels inside the stator core. At least some of the plurality of stator laminates include the plurality of coolant openings including a plurality of generally circumferentially extending slots.