US Patent Issued to NSK on April 15 for "Oil film state detection method, state detection device, and program" (Japanese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,630, issued on April 15, was assigned to NSK LTD. (Tokyo).

"Oil film state detection method, state detection device, and program" was invented by Shunsuke Iwase (Kanagawa, Japan) and Taisuke Maruyama (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a state detection method for detecting an oil film state according to a lubricant in a device configured to lubricate a plurality of parts with the lubricant, the method including: a measurement step of measuring impedance and a phase angle of an electric circuit by applying an AC voltage to the electric circuit configured with the plurality of parts while changing a freque...