US Patent Issued to Rolls-Royce, Rolls-Royce North American Technologies on Dec. 16 for "Rotor with magnet retention band for use with electric machines" (Indiana Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,461, issued on Dec. 16, was assigned to Rolls-Royce Corp. (Indianapolis) and Rolls-Royce North American Technologies Inc. (Indianapolis).

"Rotor with magnet retention band for use with electric machines" was invented by Mathew Hill (Danville, Ind.), Peter Schenk (Indianapolis) and Jeffrey Coffee (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor assembly for an electric machine includes a rotor segment configured to rotate about an axis and having a rotor body, a side wall and an outer band that cooperate to form a cavity, a plurality of magnets located in the cavity, and an end plate configured to block the plurality of magnets wi...