US Patent Issued to BEIJING UNIVERSITY OF TECHNOLOGY on April 14 for "Pneumatic-liquid auto-balance actuator with large diameter" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,389, issued on April 14, was assigned to BEIJING UNIVERSITY OF TECHNOLOGY (Beijing).

"Pneumatic-liquid auto-balance actuator with large diameter" was invented by Xin Pan (Beijing), Dehong Ge (Beijing), Haiqi Wu (Beijing), Jinji Gao (Beijing) and Zhinong Jiang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a pneumatic-liquid auto-balance actuator with a large diameter. An intermediate sleeve is interference-sheathed on an outer side wall of a liquid storage tray. An outer side wall of the intermediate sleeve is axially provided with four gas circulation grooves. The bottom of a stator is axially provided wit...