Turbine inter-disk cavity cooling air compressor

Details Turbine inter-disk cavity cooling air compressor Turbine inter-disk cavity cooling air compressor

1996-10-07

1998-01-06

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

Changing state mass within or fluid flow through working...

416 95, 416198A, 415115, 415177, 415178, F01D 506, F01D 508

Patent

active

057047642

ABSTRACT:
The inter-disk cavity between turbine rotor disks is used to pressurize cooling air. A plurality of ridges extend radially outwardly over the face of the rotor disks. When the rotor disks are rotated, the ridges cause the inter-disk cavity to compress air coolant flowing through the inter-disk cavity en route to the rotor blades. The ridges eliminate the need for an external compressor to pressurize the air coolant.

REFERENCES:
patent: 2648519 (1953-08-01), Campini
patent: 5120192 (1992-06-01), Ohtomo et al.
patent: 5269653 (1993-12-01), Evans
patent: 5468125 (1995-11-01), Okpara et al.
patent: 5507620 (1996-04-01), Primoschitz et al.

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