US Patent Issued to PRATT & WHITNEY CANADA on July 28 for "Sleeve for serially-arranged seal elements" (Canadian Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,800, issued on July 28, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Sleeve for serially-arranged seal elements" was invented by Lorenzo Sanzari (Montreal).

According to the abstract* released by the U.S. Patent & Trademark Office: "A seal arrangement of a gas turbine engine includes two seal assemblies arranged in a serial relationship relative to an engine central longitudinal axis. Each seal assembly includes a seal carrier, and a primary seal element positioned in the seal carrier and configured to seal to a rotating component of the gas turbine engine abutting the primary seal element. A seal sleeve is positioned radially outboard of the seal carriers o...