Patent ID: 6990815
Filing Date: 2006-01-31
Classification: F01D,F02C

Abstract:
1. A gas turbine comprising a compressor for compressing air, a combustor for mixing air compressed by said compressor with fuel and burning them, and a turbine driven by combustion gas burned by said combustor; said gas turbine further comprising; a cooling air system for supplying part of said air compressed by said compressor to a high temperature section of said turbine; a heat exchanger for exchanging heat of said part of air compressed by said compressor to cool said part of said compressed air, said heat exchanger being installed on said cooling air system; and a bypass system for bypassing said heat exchanger, said bypass system being installed on said cooling air system and provided with a means for gradually adjusting a flow rate of a portion of said part of said compressed air passing through said bypass system.