ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,278, issued on Aug. 5, was assigned to ABB SCHWEIZ AG (Baden, Switzerland).
"Apparatus for determining oil leakage and robot using the apparatus" was invented by Xiaodong Cao (Shanghai) and Jiafan Zhang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for determining oil leakage of a gearbox and an associated robot. The apparatus includes a base arranged between the gearbox and a motor coupled to the gearbox. The base can be made of a oil-absorbing material such that a volume of the base changes when the base contacts oil. The apparatus also includes a signal generator coupled to the base and configured to cause an electrical sig...