ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,463, issued on Dec. 16, was assigned to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT Co. LTD. (Shaoxing, China).
"Rotor assembly and electronic water pump" was invented by Xiaowei Zhou (Shaoxing, China), Fugang Wang (Shaoxing, China), Peiyu Cai (Shaoxing, China) and Junjie Wang (Shaoxing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor assembly and an electronic water pump are provided, and the rotor assembly includes an impeller cover, an impeller base and a rotor. One end of the impeller base is connected to the impeller cover, an outer wall of the other end of the impeller base is provided with a ring-shaped mounting recess, and the rotor i...