ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,551, issued on March 4, was assigned to Poclain Hydraulics Industrie (France).
"Lubrication for hydraulic machine seal" was invented by Adam Frey (Verberie, France), Patrick Jalabert (Verberie, France) and Laurent Naceur (Verberie, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic machine has a first assembly and a second assembly movable in rotation relative to each other about an axis of rotation. The first assembly and the second assembly define an internal volume and are in contact along an interface. The interface between the first assembly and the second assembly is provided with a sealing element positioned in a housing connec...