MULTI-STAGE INTER SHAFT RING SEAL

摘要

Aspects of the disclosure are directed to a system comprising: a first seal 302 that includes a notch 320 configured to avoid an adjacent seal plate radius edge and a first protrusion 312, and a second seal 301 that is notch-free with respect to an inner diameter sealing face and includes a second protrusion 301, wherein the first protrusion 312 and the second protrusion 312 are configured to at least partially overlap with one another in at least one of an axial direction or a radial direction with respect to an engine centerline 220.