US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on July 21 for "Rotor with magnet positioning tab system" (Michigan Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,253, issued on July 21, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Rotor with magnet positioning tab system" was invented by Rebecca K. Risko Cattell (Royal Oak, Mich.), Edward L. Kaiser (Orion, Mich.), Cheongun Han (Novi, Mich.) and Matthew James Bozich (Warren, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor for an electric machine includes a rotor core having one or more cavities internal to the rotor core, the cavities defined by a wall of the rotor core. Laminations are stacked together to form the rotor core, and the laminations define the cavities. A body or bodies, which may be magnets, extend within the cav...