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:
Aug. 29, 2023
Filed:
Apr. 20, 2021
Rivian Ip Holdings, Llc, Plymouth, MI (US);
Dang Dinh Dang, Garden Grove, CA (US);
Larry Xiong, Redondo Beach, CA (US);
Rivian IP Holdings, LLC, Irvine, CA (US);
Abstract
A rotor assembly for a permanent magnet motor, including: a rotor shaft comprising an internal cavity having an inlet and an outlet; and a rotor core disposed about the rotor shaft, comprising an internal channel having an inlet and an outlet; wherein the outlet of the internal cavity of the rotor shaft is coupled to the inlet of the internal channel of the rotor core; and wherein the internal cavity of the rotor shaft and the internal channel of the rotor core are configured to circulate a cooling fluid through the rotor shaft and the rotor core. The rotor core includes a plurality of permanent magnets adapted to interact with a stator assembly disposed about/adjacent to the rotor core.