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    • 7. 发明授权
    • Flap-type nozzle with built-in reverser
    • 带内置反向器的翻盖式喷嘴
    • US4382551A
    • 1983-05-10
    • US264726
    • 1981-05-18
    • Edward B. Thayer
    • Edward B. Thayer
    • F02K1/58F02K1/12F02K1/62
    • F02K1/62F02K1/12F02K1/123Y02T50/671
    • A lightweight exhaust nozzle/thrust reverser for a gas turbine engine comprises a flap-type exhaust nozzle with a thrust reverser door built into a cutout within each flap. The flaps may be hinged at their forward edges to the engine exhaust duct and may either be actuated or may float freely. Preferably, when the reverser doors are stowed they blend smoothly with the internal and external surfaces of the flaps. Actuation means deploys the doors such that they extend into the gas flow path and coact with each other to form a wall which blocks the axial flow of gas, and they simultaneously open the cutout within which they are disposed and redirect the exhaust gas through the cutouts in an upstream direction. In a preferred embodiment the flaps define the divergent portion of a convergent/divergent exhaust nozzle.
    • 用于燃气涡轮发动机的轻质排气喷嘴/推力反向器包括翼形排气喷嘴,其具有内置在每个翼片内的切口中的推力反向器门。 襟翼可以在它们的前边缘处铰接到发动机排气管道,并且可以被致动或者可以自由地浮动。 优选地,当反向门被收起时,它们与襟翼的内表面和外表面平滑地混合。 致动装置部署门,使得它们延伸到气体流动路径中并且彼此协作以形成阻挡气体的轴向流动的壁,并且它们同时打开它们所设置的切口,并且通过切口重新排列废气 在上游方向。 在优选实施例中,翼片限定了收敛/发散的排气喷嘴的发散部分。