ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,548, issued on March 31, was assigned to RTX Corp. (Farmington, Conn.).
"Under-ring oil feed for squeeze film bearing damper" was invented by Philip Andrew Varney (Coventry, Conn.), Kevin L. Zacchera (Glastonbury, Conn.), Ulf J. Jonsson (South Windsor, Conn.), Sean Patrick Waters (South Windsor, Conn.) and Po Hsien Lin (West Hartford, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine includes a turbine section and a compressor section. The turbine section and the compressor section each include rotors, with a first turbine rotor driving a first compressor rotor through at least one shaft. At least one bearing compartment inc...