GAS-TURBINE AIR-COOLING SYSTEM FOR AUXILIARY GAS-TURBINE PLANT Russian patent published in 1995 - IPC

FIELD: thermal engineering turbomachines. SUBSTANCE: booster compressor is arranged in axial direction between flow path and dummy piston of axial-flow compressor; booster compressor case is built integral with axial-flow compressor stator; centrifugal wheel of booster compressor is mounted on axial-flow compressor shaft and abuts with its entrance extraction stage; the latter is, essentially, annular flow section axial channel formed by external surface of shaft and concentric bore in stator. EFFECT: improved design. 8 cl, 11 dwg