ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,359, issued on Aug. 25, was assigned to Microtecnica S.r.l. (Turin, Italy).
"Pressure regulating shut-off valve" was invented by Andrea Mornacchi (Turin, Italy), Enrico Quaglia (Chieri, Italy) and Matteo Cappo (Turin, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure regulating shut-off valve (PRSOV) for an aircraft anti-ice system includes a valve body defining an inlet and an outlet and a fluid flow path between the inlet and the outlet. The valve includes a first piston is operable as a shut-off piston, a second piston is operable as a shut-off piston and as a regulating piston and a third piston is operable as a regulating piston, ...