Helicopter with engine air intakes
AssigneeAirbus Helicopters Deutschland GmbH
InventorRalf BRAEUTIGAM
Life of this patent
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Abstract
A helicopter with a fuselage, at least two engines substantially inside said fuselage, an air intake for each of said two engines and at least two separate lateral air inlet ports for said at least two engines in said fuselage. Said separate lateral air inlet ports being arranged on sides opposed to each other relative to an essentially vertical midplane of said fuselage and oriented with their respective cross section substantially parallel to a forward flight direction of the helicopter. At least one frontal air inlet port with a forward portion is provided separate from said lateral air inlet ports, said frontal air inlet port being located on a gear cowling of the fuselage oriented with its cross section substantially perpendicular to the forward flight direction of the helicopter.
Claims4
A helicopter with a fuselage, at least two engines substantially inside said fuselage, an air intake for each of said two engines and at least two separate lateral air inlet ports for said at least two engines in said fuselage, said separate lateral air inlet ports being arranged on sides opposed to each other relative to an essentially vertical midplane of said fuselage and oriented with their respective cross section substantially parallel to a forward flight direction of the helicopter, wherein further at least one frontal air inlet port with a forward portion is provided separate from said lateral air inlet ports, said at least one frontal air inlet port being located on a gear cowling of the fuselage and being oriented with its cross section substantially perpendicular to a forward flight direction, whereby a straight path for airflow through the at least one frontal air inlet port aligned with the longitudinal airflow and two further separate paths through said separate lateral air inlet ports are provided to each air intake for each engine from forward and both sideways.
Dependencies are inferred from the claim text.