US Patent Issued to RTX on Nov. 18 for "Outer air seal (OAS) with improved mating with first stage casing" (Arizona, New Hampshire Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,837, issued on Nov. 18, was assigned to RTX Corp. (Farmington, Conn.).

"Outer air seal (OAS) with improved mating with first stage casing" was invented by Pablo Junior Matias-Vega (Dover, N.H.) and Nicholas Ryan Leslie (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor of a gas turbine engine is provided. The compressor includes a casing including an elongate body having an aft surface at an aft end thereof and an outer air seal (OAS) disposed aft of the casing. The OAS includes at a forward end thereof a first forward surface, a second forward surface inboard of and recessed aftward from the first forward surface and a trans...