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

1983-10-11

1986-07-01

Scott, Samuel

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

1374925, 251 28, G05D 1100

Patent

active

045974071

ABSTRACT:
A fuel control for a gas turbine engine comprises a metering device and a pressure relief valve for spilling fuel from an upstream side of the metering device. The relief valve is also responsive to a servo pressure which is regulated by a valve which is operated when a speed of the engine rises above a predetermined level, so that in these circumstances an increased amount of fuel is spilled to reduce flow to the engine. A further valve is operable to vent the servo pressure completely, and to effect spill of substantially all of the fuel, when engine shut-down is required.

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