ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,583, issued on Aug. 26, was assigned to Schaeffler Technologies AG & Co. KG (Herzogenaurach, Germany).

"Wheel rotation speed measurement assembly and wheel hub driving system" was invented by Xiangyang Cai (Kunshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wheel rotation speed measurement assembly and a wheel hub driving system. The assembly includes a wheel hub bearer, a synchronous shaft and a compiler. The wheel hub bearer has a central shaft and an outer ring. The central shaft is hollow with an inner cavity and forms a torsion-resistant connection with a vehicle suspension. The outer ring can be driven to rotate relative to the ce...