US Patent Issued to SAFRAN AERO BOOSTERS on April 14 for "Orbital friction welding method of a blade to a stub on a turbomachine rotor disc" (Belgian Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,993, issued on April 14, was assigned to SAFRAN AERO BOOSTERS (Herstal, Belgium).

"Orbital friction welding method of a blade to a stub on a turbomachine rotor disc" was invented by Astrid Lenain (Herstal, Belgium) and Charly Mougel (Herstal, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for orbital friction welding of a blade to a stub on a turbomachine rotor disk, comprising the following successive phases: friction of the blade against the stub with application of a force friction normal; forging of the blade against the stub with application of a normal forging force; wherein the normal forging force is greater than the norma...