Gas turbine engine fuel control system

Details Gas turbine engine fuel control system Gas turbine engine fuel control system

1986-11-26

1988-04-12

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

F02C 928

Patent

active

047365820

ABSTRACT:
A gas turbine engine fuel control has spill value responsive to an input control signal, for spilling fuel from a supply passage. A pressurizing valve controls flow from the supply passage to the engine, in response to the pressure in the supply passage. A throttle valve in series with the pressurizing valve maintains the pressure difference across the pressurizing valve substantially constant. A selector valve is operable to shut both the pressurizing valve and a shut-off element in the throttle valve.

REFERENCES:
patent: 3049139 (1962-08-01), Thompson et al.
patent: 3672163 (1972-06-01), White
patent: 3808801 (1974-05-01), Taylor
patent: 3958415 (1976-05-01), Lewis

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