RTX Corporation
NON-CONTACTING SEAL ASSEMBLY WITH INTERNAL COATING

Abstract:

A seal assembly, including: a seal, the seal having; a support ring, a shoe, and a beam extending between the shoe and the support ring, wherein the shoe moves relative to the support ring via the beam; a spacer and a second seal; a seal ring; a carrier ring, the second seal being located adjacent to one end of the shoe and the seal ring being located adjacent to an opposite end of the shoe and the carrier ring extends from the seal ring to the spacer, the carrier ring being adjacent to the support ring of the seal; and a wear resistant coating located between a surface of the seal ring and an opposite end of the shoe.