Flexible aft cowls for aircraft
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United States of America Patent
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Nov 8, 2022
Grant Date -
Jun 24, 2021
app pub date -
Dec 19, 2019
filing date -
Dec 19, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
Flexible aft cowls are disclosed. In some examples, an aircraft engine having a flexible aft cowl is disclosed. In some examples, the aircraft engine comprises an aft cowl having a flexible portion defining a throat area adjacent an engine core nozzle of the aircraft engine. In some examples, the flexible portion to move radially between a first radial position in response to pressure within a nacelle not exceeding a pressure threshold and a second radial position in response to pressure within the nacelle exceeding the pressure threshold. In some examples, the throat area defined by the flexible portion is greater when the flexible portion is in the second radial position than when the flexible portion is in the first radial position.
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