ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,683, issued on June 17, was assigned to RTX Corp. (Farmington, Conn.).
"Bearing arrangement for turbine engine geartrain" was invented by Paul R. Hanrahan (Sedona, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An engine assembly is provided that includes a sun gear, a ring gear, a plurality of intermediate gears, a carrier, a first rotating structure, a second rotating structure and a first bearing. The ring gear is rotatable about an axis and circumscribes the sun gear. The intermediate gears are arranged circumferentially about the axis in an array. Each of the intermediate gears is radially between and meshed with the sun gear and the ring...