Patent ID: 6527514
Filing Date: 2003-03-04
Classification: F01D,F05D

Abstract:
A blade for a gas turbine comprising:a pressure sidewall and a suction sidewall, a tip cap, a hollow space defined by inner surfaces of the pressure sidewall, the suction sidewall and the tip cap, and a tip squealer extending radially from the pressure and suction sidewalls; a tip pocket defined by an outer surface of the tip cap and the tip squealer; cooling passages leading from the hollow space to the tip squealer wherein the tip squealer comprises a cavity extending from the tip pocket into the tip squealer such that the cavity divides the cooling passage into a first portion and a second portion where the first portion has an exit hole in the cavity through which cooling fluid can flow into the tip pocket and about the tip squealer and the second portion has an exit hole on the tip crown of the tip squealer.