Methods for operating gas turbine engines

Details Methods for operating gas turbine engines Methods for operating gas turbine engines

2005-08-30

2005-08-30

Casaregola, Louis J. (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S039300, C060S794000

Reexamination Certificate

active

06935119

ABSTRACT:
A method for operating a gas turbine engine including a high pressure compressor, a variable inlet guide vane assembly and a water injection apparatus for injecting water into a flow of the engine is provided. The method comprises transmitting engine operating parameters including a temperature of the gas flow at an outlet of the high pressure compressor, T3, to an engine controller, using the controller to regulate a flow of water injected into the gas flow and to adjust a relative position of the inlet guide vane assembly until engine full power is about reached as determined by a pre-defined T3 operating parameter limit, and adjusting the controller to then facilitate operation of the engine with an increased output without exceeding the pre-defined T3 operating parameter limit.

REFERENCES:
patent: 5867977 (1999-02-01), Zachary et al.
patent: 6449953 (2002-09-01), Hook, Jr. et al.
patent: 6470667 (2002-10-01), Payling et al.
patent: 6679060 (2004-01-01), Hellat et al.
patent: 2001/0003979 (2001-06-01), Oki et al.

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