ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,663, issued on Dec. 9, was assigned to RTX Corp. (Farmington, Conn.).
"Aircraft propulsion system geartrain" was invented by Paul R. Hanrahan (Sedona, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly is provided for an aircraft. This assembly includes a first rotating structure, a second rotating structure and a seal assembly. The seal assembly is configured to seal an annular gap radially between the first rotating structure and the second rotating structure. The seal assembly includes an arm, a seal element and a seal land. The arm is cantilevered from and extends axially along the second rotating structure. The seal element is conn...