Gas turbine engine rotor support system.

摘要

The system includes outer and inner rotors having respective outer and inner blades interdigitated in respective blade row stages. A stationary rear frame includes a rear support shaft. A rotatable aft frame is disposed forwardly of the rear frame includes an aft support shaft. And, a rotatable forward frame is disposed forwardly of the aft frame and includes a forward support shaft. The forward and aft frames support the outer and inner rotors, and a first bearing is disposed between the aft shaft and the rear shaft for supporting the aft shaft. A second bearing is disposed between the forward shaft and the aft shaft for supporting the forward shaft. There is also a third bearing disposed between a core shaft of a core turbine and the forward shaft for supporting the core shaft on it.