Nacelle anti ice system
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United States of America Patent
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Oct 22, 2019
Grant Date -
Jan 11, 2018
app pub date -
Jul 6, 2016
filing date -
Jul 6, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An anti-icing system of a nacelle inlet of an engine of an aircraft includes first and second direct acting valves and first and second control valve assemblies fluidly connected to the nacelle inlet. The first direct acting valve includes a first inlet, outlet, valve chamber, and piston. The first piston is positioned in the first direct acting valve. The first control valve assembly is fluidly connected to the first valve. The second direct acting valve includes a second inlet, outlet, valve chamber, and piston. The second piston is positioned in the second direct acting valve. The second direct acting valve is fluidly connected to the first direct acting valve in a series configuration. The second control valve assembly is fluidly connected to the second valve chamber.
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