Ducted boundary layer diverter
AssigneeThe Boeing Company
InventorsJoseph L. Koncsek, Steven L. McMahon
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Abstract
Boundary layer control apparatus is provided (22). The boundary layer control apparatus (22) is for use with an aircraft propulsion nacelle (12) positioned such that the air inlet (14) of the propulsion nacelle is located proximate an aircraft surface (10), wherein a boundary layer is established on the surface when the aircraft is propelled through an atmosphere, causing air to flow over the surface. The boundary layer control apparatus (22) includes a duct having an entrance (24) positioned between the aircraft surface (10) and the inlet (14) of the propulsion nacelle (12) for capturing the boundary layer air passing over the aircraft surface and diverting the boundary layer air away from the inlet.
Claims20
Boundary layer control apparatus for use with a propulsion nacelle positioned such that the air inlet of the propulsion nacelle is located adjacent an aircraft surface that establishes a boundary layer when the aircraft is propelled through an atmosphere, causing air to pass over said aircraft surface, said boundary layer control apparatus comprising, a duct means having an entrance positioned between said aircraft surface that establishes the boundary layer and said inlet of said propulsion nacelle for capturing the boundary layer air passing over said aircraft surface and diverting the boundary layer air away from the inlet.
Boundary layer control apparatus for use with a propulsion nacelle positioned such that the air inlet of the propulsion nacelle is located adjacent an aircraft surface that establishes a boundary layer when the aircraft is propelled through an atmosphere, causing air to pass over said aircraft surface, said boundary layer control apparatus comprising a duct means having an entrance positioned between said aircraft surface that establishes the boundary layer and said inlet of said propulsion nacelle for capturing the boundary layer air passing over said aircraft surface and diverting the boundary layer air away from the inlet, wherein said duct means exits at a point external to the propulsion nacelle.
Boundary layer control apparatus for use with a propulsion nacelle positioned such that the air inlet of the propulsion nacelle is located adjacent an aircraft surface that establishes a boundary layer when the aircraft is propelled through an atmosphere, causing air to pass over said aircraft surface, said boundary layer control apparatus comprising a duct means having an entrance positioned between said aircraft surface that establishes the boundary layer and said inlet of said propulsion nacelle for capturing the boundary layer air passing over said aircraft surface and diverting the boundary layer air away from the inlet, wherein said propulsion nacelle includes a nozzle and said duct means exits into said nozzle.
Dependencies are inferred from the claim text.