US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on Sept. 22 for "Magnet rotor assembly with deformable end rings" (Michigan Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,419, issued on Sept. 22, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Magnet rotor assembly with deformable end rings" was invented by Alireza Fatemi (Canton, Mich.), Derek Frei Lahr (Ann Arbor, Mich.), Thomas W. Nehl (Shelby Township, Mich.) and Anthony Michael Coppola (Rochester Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnet rotor assembly includes a rotor core having a rotor core length along a longitudinal axis. A plurality of partially ground magnets are disposed at partially ground magnet locations within the rotor core, have a magnet length extending along the longitudinal axis, a first partially grou...