Gas turbine rotor with purge blades

摘要

A rotor for a gas turbine engine includes a plurality of turbine blades extending radially outwardly of a rotor body. A plurality of purge blades are positioned to rotate with the rotor body, and to drive air radially outwardly toward the turbine blades.

主权项

1. A rotor for a gas turbine engine comprising:
a rotor body centered about a central axis; a plurality of turbine blades extending radially outwardly of said rotor body; a plurality of purge blades to rotate with said rotor body, and to drive air radially outwardly toward said turbine blades; said turbine blades are removable from said rotor body; and said turbine blades have fir-trees that are received in corresponding grooves in said rotor body and said purge blades are positioned within a radial distance of said grooves on said rotor.