Patent ID: 6065282
Filing Date: 2000-05-23
Classification: F02C,F05D

Abstract:
A gas turbine comprising: a compressor;a combustor plenum downstream of said compressor;stationary and moving blades;a cooling air cooler;first and second closed cooling circuits which extract cooling air from said combustor plenum and pass the cooling air through said cooler, the first closed circuit supplying cooling air from said cooler successively through said stationary blades to cool said stationary blades and then recovering the cooling air and returning the cooling air to said compressor, and the second closed circuit supplying cooling air from said cooler successively through said moving blades to cool said moving blades and then recovering the cooling air and returning the cooling air to said compressor; anda booster returning the cooling air received from the stationary and moving blades of said first and second closed circuits to the compressor.