Deceleration fuel control system for a turbine engine

Details Deceleration fuel control system for a turbine engine Deceleration fuel control system for a turbine engine

1995-05-31

1997-01-28

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 39281, F02C 928

Patent

active

055968716

ABSTRACT:
An improved deceleration fuel control system and related method are provided for regulating fuel flow to a combustor of a gas turbine engine to permit deceleration as a maximum rate without risk of combustor blowout. The system includes a controller responsive to combustor air flow and engine shaft speed to calculate a minimum fuel-air ratio to sustain a combustor flame during a maximum rate deceleration condition. The controller then regulates fuel supply to maintain a deceleration fuel-air ratio at a selected safety margin higher than the calculated minimum to sustain combustion.

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