Aircraft engine fuel system

Details Aircraft engine fuel system Aircraft engine fuel system

1996-01-19

1998-09-22

Miller, Carl S.

Power plants

Combustion products used as motive fluid

With safety device

123447, F02G 300

Patent

active

058097716

ABSTRACT:
A fuel system for a gas turbine aircraft engine including a ecology valve and a flow divider valve, both of simple and compact construction. The ecology valve is connected to the fuel manifolds supplied by the splitter valve, and serves to suction fuel from the fuel manifolds upon engine shutdown. The fuel is temporarily stored in reservoirs in the ecology valve and upon the next engine operating cycle, is returned to the manifold so that it can be burned. The splitter valve is of simplified light-weight construction and includes a single piston operated in two regions, a first for modulating primary and second flow depending on fuel pressure, and a second region for providing a fixed, port geometry determined split between the primary and secondary.

REFERENCES:
patent: 2846845 (1958-08-01), Parker
patent: 2881827 (1959-04-01), Roche
patent: 3033277 (1962-05-01), Cowles
patent: 3103229 (1963-09-01), Smith
patent: 4041695 (1977-08-01), Harper
patent: 4118926 (1978-10-01), Curvino
patent: 4719749 (1988-01-01), Greune
patent: 5010727 (1991-04-01), Cox
patent: 5339636 (1994-08-01), Donnelly
patent: 5465570 (1995-11-01), Szillat
patent: 5528897 (1996-06-01), Halin

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