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. 23, 2024
Filed:
Feb. 15, 2022
Dana Automotive Systems Group, Llc, Maumee, OH (US);
Steven Vanhee, Hooglede, BE;
Joachim Druant, Houthulst, BE;
Thibault Devreese, Ghent, BE;
Carl Trudel, Boucherville, CA;
Luke Miller, Montreal, CA;
Jaywant S. Pawar, Pune, IN;
DANA AUTOMOTIVE SYSTEMS GROUP, LLC, Maumee, OH (US);
Abstract
Methods and systems are provided to cool an electric machine. In one embodiment, an electric machine includes a rotor assembly that includes a rotor shaft and a stack of rotor laminations. The rotor assembly further includes one or more nozzles designed to receive pressurized coolant from a rotor shaft coolant passage and deliver the coolant to a set of open coolant channels in the stack of rotor laminations, wherein the set open coolant channels includes outlets that are profiled to direct the coolant towards a groove in a balancing plate that is coupled to the rotor assembly.