Gas turbine with heat exchanger for cooling compressed air...

Power plants – Combustion products used as motive fluid – Combustion products generator

Reexamination Certificate

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C060S791000, C060S039170

Reexamination Certificate

active

07810332

ABSTRACT:
A gas turbine includes a compressor for compressing the combustion air, at least one combustion chamber, in which a fuel is burned while compressed combustion air is supplied, and at least one first turbine arranged downstream of the combustion chamber and in which the hot combustion gases from the combustion chamber are expanded to perform work. Part of the compressed combustion air is branched off, cooled in a cooling air cooler, brought to a lower cooling air pressure by a second turbine and supplied to the gas turbine for cooling purposes.

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Franz Joos, Philipp Brunner; Marcel Stalder, Stefan Tschirren, “Field experience with the sequential combustion system of the GT24/GT26 gas turbine family”, ABB Review May 1998, Gas Turbines, pp. 12-20.

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