ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,350, issued on July 8, was assigned to JING-JIN ELECTRIC TECHNOLOGIES Co. LTD. (Beijing).

"Oil-water double-cooling electric drive assembly, and new energy automobile" was invented by Jianwen Li (Beijing), Ping Yu (Beijing) and Xudong Yang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric drive assembly with oil/water dual cooling is provided that includes a motor module, a gearbox module, a water cooling module and an oil cooling module. Lubricating oil is introduced into the front and rear windings of the motor through three oil conveying passages to improve the cooling performance of the motor. Moreover, the gearbox cavity and th...