Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate
2006-11-14
2006-11-14
Tran, Dalena (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
C060S039250, C701S101000
Reexamination Certificate
active
07136738
ABSTRACT:
Fuel control systems for use with a gas turbine engines which accounts for real-time thermodynamic engine effects when attempting to match or track the NDOTActualrate to the NDOTDemandrate. The fuel control system includes a mechanism for measuring several engine operating parameters and a mechanism for determining an initial engine fuel demand based on the measured engine operating parameters. The control system further includes a mechanism for estimating, during engine operation and based on the measured operating parameters, the amount of heat transferred between fuel combustion gases and the engine metal and estimating an effective fuel flow adjustment based therefrom. The control system disclosed herein also includes a mechanism for determining a final engine fuel demand based on the initial predicted engine fuel demand and the estimated effective fuel flow adjustment.
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Crainic Cristina
Mannarino John
Zagranski Raymond D.
Edwards Angell Palmer & & Dodge LLP
Goodrich Pump & Engine Control Systems, Inc.
Pratt & Whitney Canada Corp.
Silvia David J.
Tran Dalena
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