US Patent Issued to WELLING (WUHU) MOTOR MANUFACTURING on Dec. 2 for "Impeller, drainage pump and indoor unit of air conditioner" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,854, issued on Dec. 2, was assigned to WELLING (WUHU) MOTOR MANUFACTURING Co. LTD. (Anhui, China).

"Impeller, drainage pump and indoor unit of air conditioner" was invented by Wenhai Gu (Anhui, China) and Zhengang Gao (Anhui, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An impeller, a drainage pump, and an indoor unit of an air conditioner are provided. The impeller has an impeller shaft and a circular disc. Long blades are fixedly connected to the impeller shaft and extend outward along a radial direction of the impeller shaft. The circular disc has a plate-shaped structure sleeved on an outer circumference of the impeller shaft. The plate-s...