Patent ID: 6315518
Filing Date: 2001-11-13
Classification: F01D,F02C,F05D

Abstract:
A stationary blade of a gas turbine, comprising a blade portion fixed at outer and inner ends thereof to an outside shroud and an inside shroud, respectively, the blade portion having a steam cooling passage formed in an interior thereof for steam-cooling of a part of the blade portion, and a cooling steam inlet connected to the steam cooling passage for supplying cooling steam directly thereinto, a trailing edge portion of the blade portion having a cooling air passage formed therein, and a cooling air inlet connected to the air cooling passage for supplying cooling air directly thereinto such that the trailing edge portion is air-cooled, the inside shroud and outside shroud each defining a cooling air inlet through which shroud cooling air is supplied separately from the cooling air supplied for cooling the trailing edge portion of the blade portion.