Core Viewpoint - The State Intellectual Property Office of China has reported that East China Jiaotong University and Jiangling Motors Corporation Limited have applied for a patent titled "Permanent Magnet Synchronous Motor and Its Optimization Method for New Energy Vehicles," with publication number CN120955944A and an application date of October 2025 [1] Group 1: Patent Details - The patent involves a permanent magnet synchronous motor designed for new energy vehicles, which includes a stator and rotor [1] - The stator consists of a stator yoke and winding, with several axially arranged stator teeth in the inner circle of the stator yoke [1] - The rotor features symmetrically arranged first permanent magnets and asymmetrically shaped second permanent magnets, with an equal number of both types [1] Group 2: Technical Specifications - The second permanent magnets have unequal thickness at both ends, and the distance from the center line of the stator winding to adjacent second permanent magnets varies [1] - The optimization of the second permanent magnets involves adjusting their sweep angle and position to enhance the performance of the drive motor [1]