ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,964, issued on July 8, was assigned to Schaeffler Technologies AG & Co. KG (Herzogenaurach, Germany).
"Wheel hub driving system" was invented by Xiangyang Cai (Kunshan, China) and Hui Su (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wheel hub driving system, including a housing, an electric motor, two planetary gear sets and a wheel hub bearing. The wheel hub bearing has a middle axle and an outer ring, the middle axle is fixed relative to the housing, and both a primary sun gear and a secondary sun gear are sleeved around the periphery of the wheel hub bearing. A stator of the electric motor, a primary geared ring and a secondary geared...