ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,999, issued on July 29, was assigned to RTX Corp. (Farmington, Conn.).
"Damping system for an integrally bladed rotor" was invented by Lucas O. McCaslin (Middletown, Conn.) and Stephen B. Bonarrigo (Farmington, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrally bladed disk is provided that includes a disk and a plurality of rotor blades. The disk has an outer radial hub and is configured for rotation around a rotational axis. Each rotor blade of the plurality of rotor blades has an airfoil that extends chordwise between a leading edge and a trailing edge, and extends spanwise between a base end and a blade tip. Each rotor blade inclu...