Fuel control system for gas turbine engine

Details Fuel control system for gas turbine engine Fuel control system for gas turbine engine

1975-07-03

1976-11-16

Gordon, Clarence R.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

F02C 908, F02C 910

Patent

active

039915697

ABSTRACT:
A fuel control system for a gas turbine engine has a pump, a variable metering device and a servo-operated throttle valve connected in series. A spill valve at the pump outlet is responsive to a servo pressure which is dependent on engine speed and on the total pressure drop across the metering device and the throttle valve. A selector valve is effective in one of its positions to shut the throttle valve and simultaneously to modify the servo pressure to the spill valve so as to increase spill flow to a maximum.

REFERENCES:
patent: 3672163 (1972-06-01), White
patent: 3808797 (1974-05-01), Robinson

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