Patent ID: 8572947
Filing Date: 2013-11-05
Classification: B64C,B64D,F02K,F05D

Abstract:
1. An apparatus comprising: a gas turbine engine having an outer casing that enclosed by a nacelle, the gas turbine is capable of producing an exhaust flow, wherein the nacelle having opening therethrough for receiving external air; a nozzle structured to convey the exhaust flow from the gas turbine engine; an airflow surface forming by the nacelle having a boundary layer of moving fluid when the external air is flowed along the airflow surface, when at least a portion of the boundary layer is received through the nacelle opening; a conduit disposed between the nozzle and the airflow surface; a moveable nozzle ejector operable to extract at least a portion of the boundary layer through the conduit and entrain the at least a portion of the boundary layer with the exhaust flow; and a moveable member connected to the nacelle; and wherein the moveable member is moveable to a first position that provides for the passage of the at least a portion of the boundary layer, and to a second position that provides for a passage of an external air during a takeoff of the aircraft.