Turbine airfoil with shaped film cooling hole

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United States of America Patent

PATENT NO 8814500
SERIAL NO

13162910

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Abstract

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A film cooling hole for a turbine airfoil, the film hole having a metering inlet section followed by a diffusion section that has two sidewalls with a sinusoidal shape and with the upstream and downstream walls forming zero diffusion so that a thin slot is formed on the film hole opening. The film hole can be straight or curved in a direction of the film injection.

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Patent Owner(s)

  • FLORIDA TURBINE TECHNOLOGIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liang, George Palm City, US 383 8413

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