Turbine airfoil and methods for airfoil cooling

Details Turbine airfoil and methods for airfoil cooling Turbine airfoil and methods for airfoil cooling

1998-12-18

2000-10-17

Look, Edward K.

Rotary kinetic fluid motors or pumps

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

415116, 416 96R, 416 96A, 416 97R, F01D 514

Patent

active

061321699

ABSTRACT:
A turbine engine airfoil includes a three-pass serpentine shaped cooling cavity including a leading edge chamber, an oversized intermediate chamber, and a trailing edge chamber in flow communication. The cavity further includes a combination of a plurality of ribs and a plurality of pins, a purge air swirler, a turning vane, and a metering partition which mixes the high pressure air and provides increased air cooling and uniform flow control in the airfoil. The metering partition provides a decrease of the air pressure in the trailing edge chamber allowing for an increase in the number of trailing edge slots.

REFERENCES:
patent: 3369792 (1968-02-01), Kraimer et al.
patent: 4236870 (1980-12-01), Hucul, Jr. et al.
patent: 5669759 (1997-09-01), Beabout

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