US Patent Issued to Parker-Hannifin on March 11 for "Variable displacement hydraulic pump system with over-temperature prevention" (Arizona, Michigan Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,555, issued on March 11, was assigned to Parker-Hannifin Corp. (Cleveland).

"Variable displacement hydraulic pump system with over-temperature prevention" was invented by Steve A. Krane (Cochise, Ariz.), Dean R. Pollee (Mattawan, Mich.), Evan W. Anderson (Portage, Mich.) and Daniel P. Rapin (Schoolcraft, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pump system including a prevention mechanism for preventing excessive fluid temperature buildup of system fluid. The overheat prevention mechanism includes a thermally-responsive control component (130) made with a thermally-responsive material. The thermally-responsive control component is loc...