US Patent Issued to Mazda Motor on March 24 for "Rotor, rotary electric machine, and vehicle" (Japanese Inventor)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,078, issued on March 24, was assigned to Mazda Motor Corp. (Aki-gun, Japan).

"Rotor, rotary electric machine, and vehicle" was invented by Naoki Itasaka (Aki-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor including a rotor core and magnetic pole parts provided therein is provided. The magnetic pole parts are lined up along an outer circumferential surface of the rotor core. Each magnetic pole part includes a fixed magnetic-force magnet with a radially-oriented magnetizing direction, first variable magnetic-force magnets with circumferentially-oriented magnetizing directions, a first cavity part formed in the rotor core to extend ...