US Patent Issued to ABB SCHWEIZ on June 24 for "Apparatus for determining oil leakage and robot using the apparatus" (Chinese Inventor)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,196, issued on June 24, was assigned to ABB SCHWEIZ AG (Baden, Switzerland).

"Apparatus for determining oil leakage and robot using the apparatus" was invented by Xiaodong Cao (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure provide an apparatus for determining oil leakage of a gearbox and an associated robot. The apparatus comprises a swellable ring arranged surrounding an output shaft of a motor coupled to the gearbox, the swellable ring, when contacting oil, swells to apply a radial force to the output shaft; and a controller configured to detect the oil leakage by detecting at least one of the follow...