US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on Dec. 9 for "Rotor assembly with a composite sleeve that is optimized for press-fit installation" (Michigan Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,687, issued on Dec. 9, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Rotor assembly with a composite sleeve that is optimized for press-fit installation" was invented by Anthony Michael Coppola (Rochester Hills, Mich.), Derek Frei Lahr (Ann Arbor, Mich.), Alireza Fatemi (Canton, Mich.), Alan G. Holmes (Clarkston, Mich.), Michael B. Viola (Macomb Township, Mich.) and Bradley Allen Newcomb (Troy, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor for an electric machine includes a magnetic core configured for arrangement on a shaft. An end ring is arranged on opposite axial ends of the magnetic core. A composite sleeve inclu...