US Patent Issued to RTX on May 26 for "Center tie rotor seal" (Connecticut, Massachusetts Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,953, issued on May 26, was assigned to RTX Corp. (Farmington, Conn.).

"Center tie rotor seal" was invented by Kalpendu J. Parekh (Brookline, Mass.), Daniel L. Carminati (Berlin, Conn.) and Rishon C. Saftler (Glastonbury, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A turbine engine rotor has a central shaft and a disk stack having disks encircling the shaft. A first piston seal ring in a first groove in the central shaft has an outer diameter (OD) surface facing or contacting an inner diameter (ID) surface of a disk of said plurality of disks. A second piston seal ring in a second OD groove in the central shaft has an OD surface facing or con...