Methods and apparatus for operating gas turbine engines

Details Methods and apparatus for operating gas turbine engines Methods and apparatus for operating gas turbine engines

2005-11-01

2009-02-10

Casaregola, Louis J (Department: 3741)

Power plants

Combustion products used as motive fluid

Process

C060S039550, C060S736000

Reexamination Certificate

active

07487642

ABSTRACT:
A method for operating a gas turbine engine including a compressor, a combustor, and a turbine, coupled together in serial flow arrangement, and a fuel heating system including a heat exchanger and an economizer. The method includes channeling fuel through the heat exchanger, channeling a working fluid through the heat exchanger to facilitate regulating the operating temperature of the fuel and the operating temperature of the working fluid, and channeling the fuel and the working fluid into the gas turbine engine combustor to facilitate increasing a fuel efficiency of the gas turbine engine.

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