Passively actuated variable area nozzle for an aircraft propulsion system
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United States of America Patent
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-
Aug 15, 2023
Grant Date -
Dec 22, 2022
app pub date -
May 2, 2022
filing date -
May 15, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
An aircraft system includes a propulsion system structure, a variable area nozzle and a linkage system. The propulsion system structure is moveable between a first position and a second position. The variable area nozzle is fluidly coupled with a duct in the propulsion system structure. The variable area nozzle is moveable between a first configuration and a second configuration. An exit area of the variable area nozzle has a first value when the variable area nozzle is in the first configuration and a second value when the variable area nozzle is in the second configuration. The variable area nozzle includes a flap moveably connected to the propulsion system structure. The linkage system mechanically links the variable area nozzle with the propulsion system structure. The linkage system includes a driver linkage, a first bell crank, a bridge linkage, a second bell crank, a follower linkage and a crank arm.
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