US Patent Issued to RTX on July 28 for "Gas turbine engine turbine section with axial seal" (Maine Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,795, issued on July 28, was assigned to RTX Corp. (Farmington, Conn.).

"Gas turbine engine turbine section with axial seal" was invented by Paul M. Lutjen (Kennebunkport, Maine) and Morely S. Sherman (Biddeford, Maine).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is an axial gap between a leading edge of one of a blade outer air seal and a stator vanes and a trailing edge of the other. A feather seal is positioned to span the axial gap. The feather seal has axially spaced curved portions, with one of the curved portions in contact with a surface of the blade outer air seal and another of the curved portions being in contact with a surface of ...