Invention Grant
US09243565B2 Gas turbine engine fuel system metering valve 有权
燃气涡轮发动机燃油系统计量阀

Gas turbine engine fuel system metering valve
Abstract:
A metering valve for a gas turbine engine fuel system includes a sleeve including first, second, third, fourth, fifth and sixth ports respectively axially spaced apart from one another. A spool is slidably received in the sleeve and includes first, second and third seal lands. The first seal land selectively connects the first and second ports to one another, and the third seal land selectively connects the third and fourth ports to one another and the fifth and sixth ports to one another.
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