ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,804, issued on Nov. 3, was assigned to TSINGHUA UNIVERSITY (Beijing).

"Intelligent bearing and method for detecting operation state of intelligent bearing" was invented by Song Wang (Beijing), Jigang Feng (Beijing), Qinkai Han (Beijing) and Shuai Gao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An intelligent bearing includes a bearing body and a detection component. The bearing body includes an inner ring, an outer ring, a rolling body and a cage, and the detection component includes a conductive layer and friction layers. The inner ring is rotatably fixed within the outer ring and spaced apart from the outer ring. The cage is rotatably d...