US Patent Issued to Mazda Motor on May 12 for "Rotor structure of rotary electric machine" (Japanese Inventor)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,206, issued on May 12, was assigned to Mazda Motor Corp. (Aki-gun, Japan).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor structure including a rotor, a stator, and magnetic pole parts provided to a rotor core is provided. Each of the magnetic pole parts includes a fixed magnetic-force magnet magnetized in the radial direction, and first variable magnetic-force magnets disposed at both end sides of the fixed magnetic-force magnet in the circumferential direction, respectively. A magnetization sate of each first variable magnetic-force magnet is changeab...