Patent ID: 6092546
Filing Date: 2000-07-25
Classification: F02C,Y02T,Y10T

Abstract:
A pressurizing valve for use in a fuel control system for supplying fuel to an engine, the pressurizing valve having a valve housing including a sidewall inlet port and at least two sidewall outlet ports, one sidewall outlet port adapted to supply start-up fuel to the engine and the other sidewall port adapted to supply running fuel to the engine, a movable valve spool disposed within the valve housing for reciprocable motion along an axis, the valve spool having a hollow spool interior and having one extreme position where both sidewall outlet ports are closed to prevent fuel flow to the engine and another extreme position where both sidewall outlet ports are open for full fuel flow from the inlet port through the hollow spool interior and out both outlet ports to the engine, the valve housing being closed at each end by an endwall, one endwall including an annular seal for engaging one end of the valve spool to prevent fuel from entering the hollow spool interior from the sidewall inlet port when the valve spool is in said one extreme position.