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:
Jul. 28, 2026
Filed:
Jun. 27, 2024
Dana Tm4 Inc., Boucherville, CA;
Sandesh Rathnavarma Hegde, Laval, CA;
Hubert Senez, Montreal, CA;
Alexandre Pare, Saint-Amable, CA;
Carl Trudel, Boucherville, CA;
DANA TM4 INC., Boucherville, CA;
Abstract
Systems are provided for a rotor assembly for an electric machine. In one example, a system includes a rotor shaft assembly, comprising a shaft; a shaft end cap having two co-axial concentric tracks with a trough therebetween at a first end of the shaft end cap, where the shaft end cap is coupled to the shaft via two co-axial concentric weld beads at the two co-axial concentric tracks of the shaft end cap; and a flow insert arranged in a cavity shaped by the shaft and the shaft end cap, where the flow insert is formed at least in part of plastic.