ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,143, issued on Sept. 23, was assigned to RTX Corp. (Farmington, Conn.).
"Fuel-air mixer for turbine engine combustion section" was invented by Gregory Boardman (Owens Cross Roads, Ala.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus is provided for a turbine engine. This apparatus includes a fuel-air mixer, and the fuel-air mixer includes a mixer outlet, an annular inner passage, an air swirler, an annular fuel passage and a fuel swirler. The annular inner passage extends axially along an axis within the fuel-air mixer. The annular inner passage includes an inner passage downstream section and an inner passage upstream section fluidly c...