Aircraft propulsion unit comprising an unducted-fan turbine engine and an attachment pylon
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United States of America Patent
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Jul 28, 2020
Grant Date -
Mar 8, 2018
app pub date -
Feb 18, 2016
filing date -
Feb 19, 2015
priority date (Note) -
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Abstract
A propulsion assembly for aircraft, the assembly including a turbojet having at least one unducted propulsion propeller; and an attachment pylon for attaching the turbojet to a structural element of the aircraft, the pylon being positioned on the turbojet upstream from the propeller and having an airfoil extending transversely between a leading edge and a trailing edge, the trailing edge of the airfoil of the pylon includes a cutout extending longitudinally over a fraction of the trailing edge facing at least a portion of the propeller, the cutout being configured to increase locally the distance between the trailing edge and the propeller, the cutout presenting an outline having a curved shape presenting at least two points of inflection.
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