US Patent Issued to RTX on Aug. 18 for "Ceramic matrix composite blade outer air seal feather seal configuration and method" (Connecticut, Maine Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,987, issued on Aug. 18, was assigned to RTX Corp. (Farmington, Conn.).

"Ceramic matrix composite blade outer air seal feather seal configuration and method" was invented by David Wasserman (Hamden, Conn.), Howard Liles (Newington, Conn.), Daniel Whitney (East Waterboro, Maine) and Cheng Gao (South Glastonbury, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A feather seal arrangement for a ceramic matrix composite (CMC) blade outer air seal (BOAS) of a turbine engine includes a CMC BOAS segment having a specific geometry and a first feather seal. The CMC BOAS segment includes a shoe having a flowpath side, an opposing non-flowpath side, and fir...