Patent ID: 9677421
Date: 2017-06-13
CPC Classifications: F01D,F02C

Claim:
1. An assembly for a gas turbine engine, the assembly comprising: a drum having a generally conically-shaped inner surface that defines a flow path for a first leakage fluid and including a first flange extending radially outward with respect to an engine centerline axis; a hub connected to a forward portion of the drum to allow for co-rotation of the hub and drum, wherein the hub has a generally conically-shaped inner surface that defines a flow path for a second leakage fluid and including a second flange connected to the first flange; and a shaft extending axially rearward from the hub and located radially inward of the drum; wherein the drum includes a third flange having one or more holes therein to allow for the passage of the first leakage fluid and wherein at least one of the drum and the hub includes a slot configured to receive a root portion of a rotor blade.