US Patent Issued to HAMILTON SUNDSTRAND on Dec. 16 for "Microscopic surface texturing for shouldered shaft and bearing pads" (Illinois Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,995, issued on Dec. 16, was assigned to HAMILTON SUNDSTRAND Corp. (Charlotte, N.C.).

"Microscopic surface texturing for shouldered shaft and bearing pads" was invented by Edward W. Goy (Crystal Lake, Ill.) and Weishun W. Ni (Loves Park, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shouldered shaft assembly of a variable displacement, bent axis piston pump is provided. The shouldered shaft assembly includes a bearing retainer housing including radially inwardly facing tilt pad bearings and axially facing tilt pad thrust bearings and a shouldered shaft. The shouldered shaft is disposed in the bearing retainer housing and includes a first shaf...