Patent ID: 8444387

Claim:
A seal plate for directing an airflow through a turbine section of an engine, the seal plate comprising: a hub having a tubular section and an annular flange section flared outwardly relative to the tubular section, the annular flange section defining a flow surface; a plurality of main pumping vanes disposed circumferentially on the flow surface around the annular flange section of the hub, each main pumping vane having a canted section and a straight section, the canted section located radially inward relative to the straight section and aligned with a flow direction of the airflow, and the straight section extending along a first plane including a centerline of the seal plate; and a plurality of splitter vanes disposed circumferentially on the flow surface around the annular flange section of the hub such that at least one splitter vane is disposed between the straight sections of two adjacent main pumping vanes, each splitter vane having a length that is less than a length of each of the two adjacent main pumping vanes.