Patent 7266946 was granted and assigned to Rolls-Royce on September, 2007 by the United States Patent and Trademark Office.
An apparatus for supplying inlet gas 29 and fuel 17 to a gas turbine engine 10, the apparatus comprising: a heat exchanger 28 for transferring thermal energy from the inlet gas 29 to a fuel 17 for the gas turbine engine 10, the heat exchanger 28 comprising a first input for receiving fuel 17, a second input for receiving inlet gas 29, a first output for providing inlet gas 31 after heat exchange to the gas turbine engine 10 and a second output for providing fuel 33 after heat exchange to the gas turbine engine 10.