Fuel system for a gas turbine engine

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

1997-04-16

1999-03-23

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60734, F02C 7228

Patent

active

058844830

ABSTRACT:
A staged fuel system for a gas turbine engine in which the main burners are supplied with fuel through fluid pressure actuated, servo-controlled valves. All pilot and main burners are supplied from a single manifold. However, fuel flow to the main burners is controlled by the servo-valves which are controlled by pressure in a servo-manifold fed with fuel tapped from a high pressure region of the fuel system. Thus, a simple variable control valve on the outlet of the servo-manifold is able to control fuel staging.

REFERENCES:
patent: 4027473 (1977-06-01), Baker
patent: 4305255 (1981-12-01), Davies et al.
patent: 4817389 (1989-04-01), Holladay et al.
patent: 4920740 (1990-05-01), Shekleton
patent: 5289685 (1994-03-01), Hoffa
patent: 5339636 (1994-08-01), Donnelly et al.
patent: 5442922 (1995-08-01), Dyer et al.

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