ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,239, issued on July 21, was assigned to Microtecnica S.r.l. (Turin, Italy).
"Direct drive valve" was invented by Andrea Mornacchi (Turin, Italy), Enrico Quaglia (Turin, Italy) and Dario Savino (Palazzolo Vercellese, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A direct drive valve for controlling fluid flow, includes a flow spool operable to control fluid flow through the direct drive valve; a control spool located within the flow spool and an actuator operable to drive the control spool relative to the flow spool. The direct drive valve is configured such that in use movement of the control spool relative to the flow spool causes the flow s...