ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,681, issued on Oct. 27, was assigned to RTX Corp. (Farmington, Conn.).

"Bowed rotor start mitigation using liquid water as risk knockdown" was invented by Gregory M. Chere (Glastonbury, Conn.), Carroll V. Sidwell (Wethersfield, Conn.), Neil J. Terwilliger (Cheshire, Conn.), Andre M. Ajami (Henderson, Nev.) and Rishon Saftler (Glastonbury, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft propulsion system includes a water injection system that includes a plurality of nozzles configured to inject water onto at least one of a plurality of compressor stages and turbine stages, and a controller that is configured to operate the water inje...