Patent ID: 6227800
Filing Date: 2001-05-08
Classification: B64D,F01D,F02C,Y02T,Y10S

Abstract:
A turbine cooling apparatus comprising:a turbine casing including a plurality of support hooks extending radially inwardly from said casing and a plurality of axially spaced apart turbulators extending radially outwardly from said casing and aligned with respective ones of said hooks for extracting heat therefrom;a row of nozzle vanes fixedly mounted to said casing for channeling combustion gases;a nacelle surrounding said casing and spaced radially outwardly therefrom to define a bay therearound;said bay including an inlet at an axially forward end for receiving bay air, and an outlet at an axially aft end for discharging said bay air;a baffle surrounding said casing and spaced radially outwardly therefrom to define a cooling duct therebetween for selectively cooling said casing; andsaid cooling duct having an inlet at an axially forward end for receiving said bay air from said bay, and an outlet at an axially aft end for discharging said bay air to said bay outlet.