ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,032, issued on Aug. 5, was assigned to SAFRAN AEROSYSTEMS (Plaisir, France).
"Dynamic sealing in an aircraft turbine engine control valve" was invented by Emmanuel Doyen (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control valve, in particular for an aircraft turbine engine, includes a movable seal which is carried by a rod that passes through ports of a body of the valve. Sealing means are mounted in each of these ports. The sealing means include a tubular bellows mounted around the rod, a ring mounted around the rod and the tubular bellows and at least partially housed in one of the ports, and a washer mounted around th...