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    • 12. 发明授权
    • Flap-type two-dimensional nozzle
    • 翼型二维喷嘴
    • US3973731A
    • 1976-08-10
    • US640377
    • 1975-12-12
    • Edward B. Thayer
    • Edward B. Thayer
    • F02K1/00F02K1/12B64C15/06
    • F02K1/12F02K1/006
    • A flap-type, two-dimensional nozzle for use with thrust creating vehicles which operate at both subsonic and supersonic speeds includes a rectangular exhaust with a convergent-divergent balanced flap system at the top and the bottom thereof. The top and bottom flap systems can be controlled individually or together in order to achieve their desired objective. The flap systems move between a position of minimum throat area and maximum throat area to achieve one range of control while both flap systems can move to an inner position providing for thrust reversal. Thrust vector control can be obtained by assymmetric individual positioning of the flap systems with respect to the engine centerline.
    • 用于以亚音速和超音速操作的推力产生车辆的翼形二维喷嘴包括在顶部和底部具有会聚发散平衡翼片系统的矩形排气口。 顶部和底部襟翼系统可以单独控制或一起控制,以达到其期望的目的。 翼片系统在最小喉部区域和最大喉部区域的位置之间移动,以实现一个范围的控制,同时两个翼片系统可以移动到提供推力反转的内部位置。 推力矢量控制可以通过翼片系统相对于发动机中心线的不对称单独定位来获得。
    • 17. 发明授权
    • Two dimensional gas turbine engine exhaust nozzle
    • 二维燃气轮机发动机排气喷嘴
    • US4753392A
    • 1988-06-28
    • US667708
    • 1984-11-02
    • Edward B. ThayerGeorge H. McLafferty
    • Edward B. ThayerGeorge H. McLafferty
    • F02K9/86F02K1/12F02K1/60F02K1/62
    • F02K1/60F02K1/12F02K1/1223
    • A two dimensional exhaust nozzle for a gas turbine engine having reverse thrust capability includes a pair of spaced apart converging flaps which are able to rotate about their respective axes until their downstream edges meet along the engine centerline to block the flow of gases through the engine and to redirect the flow through fixed area reverser outlet ports. The axes about which each convergent flap rotates are spaced inwardly from their respective convergent flap surfaces. The flaps themselves cover the outlet ports when the flaps are in forward thrust operating positions. The flaps move away from and unblock the outlets as they rotate to their reverse thrust position. The distance between the flap axis and its convergent surface is critical to being able to use short flaps while obtaining large reverser outlet areas.
    • 用于具有反向推力能力的燃气涡轮发动机的二维排气喷嘴包括一对间隔开的会聚翼片,其能够围绕它们各自的轴线旋转,直到它们的下游边缘沿着发动机中心线相遇,以阻挡气体通过发动机的流动, 将流量重定向通过固定区域反向器出口端口。 每个收敛翼片旋转的轴线与它们各自的收敛翼片表面间隔开。 当襟翼处于向前推力操作位置时,襟翼本身覆盖出口。 当它们旋转到其反向推力位置时,翼片离开和解除插座。 襟翼轴与其收敛表面之间的距离对于能够在获得大的逆向出口区域时能够使用短襟翼是至关重要的。