TURBOJET ENGINE NACELLE COMPRISES A SECONDARY LOOP NOZZLE WITH ROTATABLE FLAPS Russian patent published in 2019 - IPC F02K1/09 F02K1/12 F02K1/72 

Abstract RU 2688082 C2

FIELD: engines and pumps.

SUBSTANCE: invention relates to a turbojet engine nacelle comprising an outer cowl, said hood comprising an inner wall forming, together with the fixed inner structure, an annular channel of the secondary airflow, and a jet nozzle for ejecting said secondary airflow. Nozzle comprises at least one opening, at least one rear continuous end segment located downstream of said opening, at least one flap alternating between a closed position and an open position allowing passage of a portion of the secondary airflow through said opening. Nacelle according to invention comprises flap drive made so that, when it is actuated to switch flap from closed position into open position, said drive drives said flap into combined movement consisting of translational movement to front part of nacelle and turning outwards from nacelle.

EFFECT: invention increases aerodynamic characteristics of the nacelle.

9 cl, 14 dwg

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RU 2 688 082 C2

Authors

Tisso Sara

Buteje Ksave

Kerbler Olive

Gonidek Patrik

Dates

2019-05-17Published

2015-05-20Filed