ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,489, issued on Aug. 25, was assigned to Poclain Hydraulics Industrie (Verberie, France).
"Open hydraulic assistance system" was invented by Cyrille D'Hersignerie (Verberie, France), Loris Taxil (Verberie, France) and Christophe Patte (Verberie, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle drive assistance system equipped with an open hydraulic circuit has a hydraulic pump, a hydraulic motor and a reservoir. The system has a three-position valve suitable for: in a first position, supplying the hydraulic motor in a first direction of operation; in a second position, fluidly isolating the hydraulic motor from the hydraulic pump and c...