NACELLE FOR A BOUNDARY LAYER INGESTION PROPULSOR
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United States of America Patent
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Oct 29, 2020
app pub date -
Apr 26, 2019
filing date -
Apr 26, 2019
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Abstract
An aircraft is disclosed having a boundary layer ingestion propulsor. The aircraft comprises an elongated fuselage extending between a nose section and a tail section. The fuselage has an upswept underside in the tail section. The boundary layer ingestion propulsor is positioned in the tail section. The propulsor comprises a fan radially encased by a nacelle circumscribing the fuselage. The nacelle defines a leading edge line extending from a top dead center to a bottom dead center of the nacelle intersecting an axis of rotation of the fan at an angle no greater than seventy degrees.
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