Fuel valve

Details Fuel valve Fuel valve

1980-09-16

1983-02-01

Casaregola, Louis J.

Power plants

Reaction motor

Liquid oxidizer

137538, 251368, F02K 310

Patent

active

043708544

ABSTRACT:
A valve assembly for controlling the flow of a liquid fuel. The assembly includes a spring-biased movable valve member made of tungsten carbide, a captured sleeve member also made of tungsten carbide, and a readily accessible filtering screen member disposed in the fuel duct inlet of the assembly. In assembled form, the housing comprises two releasably connected constituent portions which integrate to form a one-piece unit. The structure of the unit, and the extreme hardness of the tungsten carbide material of which the valve member and the sleeve member are made, prevent corrosion and/or galling (such as by sand particles) and/or other normally-expected wear of the valve assembly, and thereby result in continued accuracy and reliability of the valve assembly, while maintaining simplicity and compactness of it. A plurality of these valve assemblies can be effectively and economically used in combination with, and intermediate of, the fuel manifold and the fuel spraybars of the afterburner of a gas turbine engine, to keep the manifold full when not operating and to effectuate equal distribution of a given flow of fuel to all spraybars throughout the fuel flow range.

REFERENCES:
patent: 2655173 (1953-10-01), Overbeke
patent: 2896662 (1959-07-01), Thomas
patent: 3757816 (1973-09-01), Price
patent: 3793838 (1974-02-01), Nash
patent: 4161187 (1979-07-01), Bauer
patent: 4312185 (1982-01-01), Nash et al.

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