Fuel control arrangements for a gas turbine engine

Fuel injection apparatus 54, for a gas turbine engine, includes pilot fuel injection circuits 42 which supply pilot injectors 44 with fuel from a manifold 60, through a pilot control valve 46. The state of the control valve 46 is set by pneumatic pressure in the manifold 56. Main injectors 50 are su...

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Bibliographische Detailangaben
Hauptverfasser:	Taylor, Jonathan Paul, Scully, Mark
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BASIC ELECTRONIC CIRCUITRY BLASTING CODE CONVERSION IN GENERAL CODING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS DECODING ELECTRICITY GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MECHANICAL ENGINEERING PHYSICS TESTING WEAPONS
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Beschreibung
Zusammenfassung:	Fuel injection apparatus 54, for a gas turbine engine, includes pilot fuel injection circuits 42 which supply pilot injectors 44 with fuel from a manifold 60, through a pilot control valve 46. The state of the control valve 46 is set by pneumatic pressure in the manifold 56. Main injectors 50 are supplied with fuel from the manifold 60 by main injection circuits 48, through main valves 52. The state of the main valves 52 is set by hydraulic pressure in a manifold 58. Accordingly, control signals to the valves 46, 52 are conveyed independently by means of the pneumatic manifold 56 and the hydraulic manifold 58.