Patent ID: 7266946

Claim:
A gas turbine engine comprising a compressor, a combustor, a turbine and an apparatus for supplying inlet gas to the compressor of the gas turbine engine and fuel to the combustor of the gas turbine engine, the apparatus comprising a first heat exchanger, a second heat exchanger and cooling means, the cooling means receiving gas bled from the compressor of the gas turbine engine, the cooling means reducing the thermal energy of the gas, the first heat exchanger comprising a first input for receiving the gas from the cooling means and a second input for receiving a fuel, the first heat exchanger transferring thermal energy from the fuel to the gas, the second heat exchanger comprising a first input for receiving inlet gas from the compressor, the second heat exchanger transferring thermal energy from the inlet gas to the fuel, a first output of the second heat exchanger providing inlet gas to the compressor of the gas turbine engine and a second output of the second heat exchanger providing fuel to the combustor of the gas turbine engine.