US Patent Issued to DANFOSS (TIANJIN) on July 22 for "Rotor, interior permanent magnet motor, and compressor" (Chinese Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,333, issued on July 22, was assigned to DANFOSS (TIANJIN) LTD. (Tianjin, China).

"Rotor, interior permanent magnet motor, and compressor" was invented by Wanzhen Liu (Tianjin, China), Yan Lin (Tianjin, China), Guangqiang Liu (Tianjin, China), Zhenyu Wang (Tianjin, China), Meng Wang (Tianjin, China), Shizhong Ji (Tianjin, China) and Li Yao (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor for an interior permanent magnet motor, an interior permanent magnet motor, and a compressor includes a rotor core, a plurality of U-shaped permanent magnet accommodating grooves, a plurality of first air grooves, and a plurality of first recess...