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 2, 2022
Grant Date -
Oct 15, 2020
app pub date -
Apr 10, 2020
filing date -
Apr 15, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A turbofan having a nacelle including a slider translationally mobile to open a window between a duct and the exterior, a plurality of blades, each rotationally mobile on the slider, and a maneuvering system moving each blade and comprising for each blade, a shaft rotationally mobile on the slider and onto which the blade is fixed, an arm having a first end fixed to the shaft, an arc coaxial with the longitudinal axis, mounted rotationally mobile on the slider about the longitudinal axis, a rectilinear rod fixed by its base to the arc, the rectilinear rod inserted into a through-bore of a stock, wherein the stock is mounted translationally free relative to the rectilinear rod, and the stock is mounted rotationally free on the arm at its second end about a rocking axis parallel to the rotational axis, and an actuation system producing arc rotation in two opposite directions.
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