Gas turbine engine fuel system

Details Gas turbine engine fuel system Gas turbine engine fuel system

1989-05-17

1990-10-23

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

With safety device

60 39141, 60734, F02C 7232, F02C 726

Patent

active

049642707

ABSTRACT:
A gas turbine engine fuel system comprises a main fuel manifold and starter fuel manifold which direct fuel into the combustion apparatus of a gas turbine engine. During normal engine operation, fuel flow to the starter manifold is prevented by a solenoid valve. Air from within the combustion apparatus then flows back through the starter manifold and into a fuel drains system of the engine to purge the starter manifold of fuel. This purging of fuel in the starter manifold engine operation prevents the undesirable leakage of fuel into the combustion apparatus from the starter manifold.

REFERENCES:
patent: 2543366 (1951-02-01), Haworth et al.
patent: 2846845 (1958-08-01), Parker
patent: 3344602 (1967-10-01), Davies et al.
patent: 4897994 (1990-02-01), Shekleton

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