US Patent Issued to SAFRAN AIRCRAFT ENGINES on Nov. 3 for "Seal for a turbomachine" (French Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,638, issued on Nov. 3, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"Seal for a turbomachine" was invented by Jerome Claude Georges Lemonnier (Moissy-Cramayel, France) and Franck Davy Boisnault (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A seal configured to provide a predefined clearance between the seal and an outer surface of a rotor mounted rotatably about an axis A disposed opposite the seal, the seal being characterized in that the inner surface of each inner ring segment includes a plurality of patterns hollowed out from the inner surface of the inner ring segment, the plurality of patterns including at least: a...