ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,421, issued on Sept. 22, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).
"Vehicle motor rotor shaft" was invented by Andrew Knesnik (Milford, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "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 an...