Turbofan comprising a set of rotatable blades for blocking off the bypass flow duct
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United States of America Patent
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Aug 31, 2021
Grant Date -
Jul 30, 2020
app pub date -
Jan 17, 2020
filing date -
Jan 24, 2019
priority date (Note) -
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Abstract
A turbofan having a nacelle comprising a slider translatable between an advanced position and a retracted position to open a window between a duct and the exterior, a plurality of blades, each one rotatable on the slider between a stowed position and a deployed position, and a maneuvering system that moves each blade and comprises, for each blade, a shaft rotatable on the slider and on which the blade is fixed, and a toothed sector fixed to the shaft, and a toothed arc rotatable on the slider about a longitudinal axis, where the teeth of the toothed arc mesh with the teeth of each toothed sector, a cam, as one with the toothed arc, and a groove, as one with a fixed structure, which receives the cam and where, when the slider moves, the cam follows the groove and rotates the toothed arc.
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