Fuel control system for a gas turbine engine

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

1997-02-21

1998-12-08

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

60739, F02C 928

Patent

active

058454845

ABSTRACT:
A fuel control system for a gas turbine engine having a plurality of burner manifolds, comprising a spill valve for spilling excess fuel from a high pressure fuel supply line and a plurality of control arrangements, each of which is arranged to control fuel flow rate to a respective one of the manifolds and comprises a metering valve and a regulator for regulating the pressure drop across the metering valve, the spill valve having a cylinder containing a piston which is movable to close the spill valve and each of the regulators having a valve for connecting the cylinder of the spill valve to high pressure fuel when the pressure drop across the metering valve is less than a predetermined value.

REFERENCES:
patent: 5339636 (1994-08-01), Donnelly et al.
patent: 5448882 (1995-09-01), Dyer et al.
patent: 5709079 (1998-01-01), Smith

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