Active cooling of turbine rotor assembly

Details Active cooling of turbine rotor assembly Active cooling of turbine rotor assembly

1992-08-31

1994-08-23

Gluck, Richard E.

Power plants

Combustion products used as motive fluid

416 95, 416220R, B64C 1100

Patent

active

053396197

ABSTRACT:
An active cooling mechanism for a turbine disk is disclosed. Various construction details are developed which disclose a turbine section having a rotor assembly, a disk with an attachment means, a radially movable heat shield disposed therebetween, and a cooling passage which directs cooling air over the forward surface and radially outer surface of the attachment means. During operation, rotational forces urge the heat shield radially outward to create a gap between the heat shield and the attachment means, the gap defining a portion of the cooling passage.

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patent: 4890981 (1990-01-01), Corsmeier
patent: 5201849 (1993-04-01), Chambers et al.

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