ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,413, issued on Aug. 12, was assigned to RTX Corp. (Farmington, Conn.).
"Geared turbofan with overspeed protection" was invented by William G. Sheridan (Southington, Conn.) and Michael E. McCune (Colchester, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine has a fan drive turbine driving a gear reduction, the gear reduction, in turn, driving a fan rotor, the fan rotor delivering air into a bypass duct as bypass air and into a compressor section as core flow. A forward bearing is positioned between the gear reduction and the fan rotor and supports the gear reduction. A second bearing is positioned aft of the gear reduction and...