Power plants – Combustion products used as motive fluid – Process
Reexamination Certificate
2005-12-13
2005-12-13
Gartenberg, Ehud (Department: 3746)
Power plants
Combustion products used as motive fluid
Process
C060S725000, C060S039281
Reexamination Certificate
active
06973791
ABSTRACT:
Methods and apparatus for operating a gas turbine engine without sustained detrimental levels of dynamic pressure are provided. The engine includes a combustor. The method includes determining the combustor acoustic level amplitude, comparing the acoustic level to a predetermined upper acoustic limit, and adjusting a fuel flow distribution to the combustor using a closed loop controller to facilitate reducing the acoustic level to a predetermined lower acoustic limit that is less than the upper acoustic limit.
REFERENCES:
patent: 5323604 (1994-06-01), Ekstedt et al.
patent: 5396760 (1995-03-01), Hines
patent: 5685157 (1997-11-01), Pandalai et al.
patent: 6354071 (2002-03-01), Tegel et al.
patent: 6742341 (2004-06-01), Ryan et al.
Barrow William Lee
Durling Michael Richard
Handelsman Steven Keith
Lipton Mark Stephen
Pearson Robert John
Andes William Scott
Armstrong Teasdale LLP
Gartenberg Ehud
General Electric Company
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