ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,161, issued on June 10, was assigned to Deere & Co. (Moline, Ill.).
"Warm-up oil management strategy" was invented by Michael A Holland (Conrad, Iowa), Clayton P. Neumann (Cedar Falls, Iowa) and Greg R. Long (Clay City, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic system of a work vehicle includes a recirculation valve which may be closed during a warm-up mode of operation so that conditioning hydraulic fluid from a conditioning hydraulic fluid pump flows through a high pressure relief valve to a conditioning hydraulic fluid reservoir and recirculates from the conditioning hydraulic fluid reservoir back to the conditioning hydraul...