Patent Number: 6,254,347

Title: Striated cooling hole

Abstract: A turbine airfoil includes pressure and suction sides extending longitudinally from root to tip, and chordally between leading and trailing edges. A striated discharge hole terminates outside the airfoil for discharging coolant therefrom.

Inventors: Shaw; James S. (Hampton Falls, NH), Fleck; James N. (Boxford, MA)

Assignee: General Electric Company

International Classification: B23H 9/10 (20060101); B23H 9/00 (20060101); F01D 5/18 (20060101); B63H 001/14 ()

Expiration Date: 07/03/2018