Patent ID: 6460324
Filing Date: 2002-10-08
Classification: F01D,F02C,F23C,F23D,F23R

Abstract:
A gas turbine engine comprising:a fluid compressor having a first inlet and a second inlet, a first outlet which communicates with the atmosphere and a second outlet; a power turbine, said power turbine being mounted downstream of said fluid compressor; a fluid compression turbine for powering said fluid compressor mounted downstream of said power turbine to rotate in a direction opposite to the rotation direction of said power turbine, said fluid compression turbine having an outlet for discharging waste fluid, said waste fluid having a temperature; a heated fluid source upstream of said power turbine; a fuel source connected to said heated fluid source; a heat exchanger having at least a first inlet and a second inlet and at least a first outlet and a second outlet; said fluid compressor first inlet being connected to said heat exchanger first outlet; said fluid compressor second inlet communicating with the atmosphere; said heat exchanger first inlet being connected to said fluid compression turbine outlet; said heat exchanger second inlet being connected to said fluid compressor first outlet; a mixer for preparing a mixture of said waste fluid and said combustion air, said mixer having an outlet connected to said heated fluid source, a first inlet, and a second inlet; said mixer first inlet being connected to said fluid compressor second outlet; said mixer second inlet being connected to said heat exchanger second outlet; a means for controlling the temperature of said waste fluid; a first flow control means upstream of said fluid compressor second inlet; a second flow control means between said heat exchanger second outlet and said mixer.