US Patent Issued to SUMITOMO HEAVY INDUSTRIES on June 24 for "Control device for spool type flow control valve" (Japanese Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,681, issued on June 24, was assigned to SUMITOMO HEAVY INDUSTRIES LTD. (Tokyo).

"Control device for spool type flow control valve" was invented by Marino Watanabe (Kanagawa, Japan), Akira Kondo (Kanagawa, Japan), Shinya Hamada (Kanagawa, Japan) and Tatsuya Yoshida (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a control device that controls a controlled variable of a control target to a target value by controlling a flow rate of gas supplied to and discharged from the control target by a spool type flow control valve. The control device includes a controller that generates a spool position command of the spool type...