Structure for a stationary cooled turbine vane

Details Structure for a stationary cooled turbine vane Structure for a stationary cooled turbine vane

1985-03-13

1996-11-26

Bentley, Stephen C.

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

416 96A, 416 97R, F01D 902

Patent

active

055778844

ABSTRACT:
An improved turbine vane structure is disclosed which enables more effective cooling and the reduction of temperature gradients along its length. The hollow interior of the vane is divided into three separate cavities, two upstream cavities and a downstream cavity. The downstream cavity is partially filled with a body of porous, heat transfer material. Cooling air flows through the downstream cavity in a direction counter to the hot gases passing over the exterior surface of the vane so as to increase the heat exchange properties. The two upstream cavities lie adjacent to each other and are supplied with cooling air from opposite directions to achieve a counterflow, heat exchange effect. Several sets of cooling holes are provided through the vane wall to communicate with the interior cavities and supply cooling air to the exterior surface of the vane.

REFERENCES:
patent: 3606572 (1971-09-01), Schwedland
patent: 4364160 (1982-12-01), Eiswerth
patent: 4418455 (1983-12-01), Cohn
patent: 4440834 (1984-04-01), Aubert et al.
patent: 4487550 (1984-12-01), Horvath
patent: 4545197 (1985-10-01), Rice

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