ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,979, issued on Jan. 13, was assigned to RTX Corp. (Farmington, Conn.).
"Method of repairing a stack of integrally bladed rotors" was invented by Derek J. Michaels (Vernon, Conn.), Ron I. Prihar (West Hartford, Conn.) and Becky E. Rose (Colchester, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plurality of potential repair processes for a stack of IBRs may be determined. Each repair process may be associated with a defect on an inspected IBR. A finite element model of the stack of IBRs may be generated to model a potential repaired defect of each inspected IBR. The model may also include a plurality of vane stages disposed between adjacent i...