Patent ID: 6553753
Filing Date: 2003-04-29
Classification: F01K,F02C,F04D,F05B,F05D,Y02T

Abstract:
A turbine engine comprising:a low pressure compressor comprising an inlet and an outlet; a high pressure compressor comprising an inlet and an outlet, said high pressure compressor in axial flow relationship with, and downstream from, said low pressure compressor, said high pressure compressor is a multi-stage compressor; a combustor downstream from said high pressure compressor; a high pressure turbine downstream from said combustor; a low pressure turbine in axial flow relationship with, and downstream from, said high pressure turbine; a water injection system comprising: a plurality of nozzles for injecting water into a gas flow through said engine, said nozzles comprising a plurality of long nozzles and short nozzles, said nozzles arranged in alternating configuration such that at least one of said short nozzles is circumferentially intermediate each pair of long nozzles; a water source; a water manifold; a water supply line extending from said water source to said water manifold; a water metering valve for controlling flow through said water supply line; an air manifold; an air flow pipe coupled to all intermediate stage of said high pressure compressor and to said air manifold; a plurality of air feeder tubes extending from said air manifold to said nozzles; an air bleed valve for controlling a size of water droplets discharged from said nozzle; a plurality of water feeder tubes extending from said water manifold to said nozzles.