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:
Sep. 22, 2026
Filed:
Feb. 06, 2024
GM Global Technology Operations Llc, Detroit, MI (US);
Andrew Knesnik, Milford, PA (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A rotor shaft for an electric motor assembly of a vehicle defines a rotational axis and a forward direction and a rearward direction along the rotational axis and includes a shaft body having an inner bore therethrough delimited by an inner surface of the shaft body, a first shaft passage extending radially outward from the inner surface of the shaft body, a second shaft passage positioned in the rearward direction of the first shaft passage and extending radially outward from the inner surface of the shaft body, a fluid source fluidly coupled to the inner bore to feed fluid to the inner bore, and a flow splitter disposed in the inner bore forming a first split flowpath and a second split flowpath. Flow of the fluid from the fluid source is split by the flow splitter between the first split flowpath and the second split flowpath.