RTX Corporation
Double ring axial sealing design

Abstract:

A double ring axial seal for a disk and blade; the disk including an array of blade slots at a perimeter of the disk configured to receive a root portion of the blade, the blade includes a platform located between the root portion and an airfoil extending from the platform opposite the root portion, the platform including a receiver with an overhang proximate the root portion and the platform including a hook opposite the receiver proximate the root portion; a disk slot formed on a first side of the disk proximate the array of blade slots; a first axial seal ring coupled with the disk slot and the receiver; the first axial seal ring having a cutout proximate an outer perimeter of the first axial seal ring, the cutout sized to receive the overhang of the blade platform.