Turbine cooling air deswirler

Details Turbine cooling air deswirler Turbine cooling air deswirler

1983-08-01

1985-09-17

Yuen, Henry C.

Rotary kinetic fluid motors or pumps

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

415175, F01D 508

Patent

active

045417741

ABSTRACT:
A device is provided for efficiently directing nonrotating cooling air into a rotating turbine rotor. The device employs a nozzle to accelerate the cooling air in the direction of rotor rotation. A diffuser-deswirler then directs this air, with curved and expanding flow passages, into corresponding holes in the turbine rotor. With these elements, the device directs the cooling air into the rotating rotor section without significant pressure losses and with a lower resultant cooling air temperature.

REFERENCES:
patent: 2618433 (1952-11-01), Loos et al.
patent: 3712756 (1973-01-01), Kalikow et al.
patent: 4236869 (1980-12-01), Laviello
"CF6-80 Engine Technical Review", vol. 1, Feb. 1979, General Electric Corp.

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