초록 ▼

A gas turbine that has turbine vanes that can be cooled with either steam or air includes a compressor that compresses air, a combustor enclosed within a shell and in flow communication with the compressor, a turbine in flow communication with the combustor and receiving hot gas from the combustor a

A gas turbine that has turbine vanes that can be cooled with either steam or air includes a compressor that compresses air, a combustor enclosed within a shell and in flow communication with the compressor, a turbine in flow communication with the combustor and receiving hot gas from the combustor and turbine vanes. The turbine vanes having an airfoil, a shroud and a cooling circuit that cools the airfoil and the shrouds with either steam or air.

대표청구항 ▼

[ We claim:] [1.] A gas turbine comprising:a compressor that compresses air;a combustor enclosed within a shell and in flow communication with the compressor and producing a hot gas;a turbine section in flow communication with the combustor, the turbine section having a rotor extending therethrough;

[ We claim:] [1.] A gas turbine comprising:a compressor that compresses air;a combustor enclosed within a shell and in flow communication with the compressor and producing a hot gas;a turbine section in flow communication with the combustor, the turbine section having a rotor extending therethrough; anda vane disposed within the turbine section and comprising an airfoil, and an airfoil cooling circuit having inlet and outlet plenums running radially outward from the rotor within and through the airfoil, and a plurality of cooling channels in flow communication with the inlet plenum and to the outlet plenum, the plurality of cooling channels spaced within an outside wall of the airfoil and proximate the hot gas, the airfoil cooling circuit providing a flow path for coolant to flow from the inlet plenum, through the plurality of cooling channels and to the outlet plenum.