US Patent Issued to The Timken on April 15 for "Vacuum pressure impregnation method for insulation system" (Florida Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,531, issued on April 15, was assigned to The Timken Co. (North Canton, Ohio).

"Vacuum pressure impregnation method for insulation system" was invented by Jan de Swardt (Eustis, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum pressure impregnation process includes placing a room temperature coil/winding into a pressure vessel with a camera aimed at the coil/winding for inspection, and sealing the pressure vessel to draw a first vacuum level, maintained for a first duration. The coil/winding is flooded with resin and remotely monitored. A second vacuum level is maintained for a second duration while remotely monitoring. A first positive pr...