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    • 10. 发明公开
    • THRUST VECTORING NOZZLE
    • 推力矢量喷嘴
    • EP3315753A1
    • 2018-05-02
    • EP17194709.6
    • 2017-10-04
    • Rolls-Royce plc
    • Colebrooke, Jack
    • F02K1/00
    • F02K1/70F02K1/004F02K1/06F02K1/1207F02K1/1261F02K1/30F02K9/80F05D2220/90F05D2250/90F05D2260/50
    • A variable geometry exhaust nozzle arrangement (20) comprises a plurality of hingeable exhaust petals (22) defining a perimeter of an exhaust duct (21) and an annular ring (24) slidably engagable against a radially outer surface of each petal (22). The annular ring is coupled to a plurality of circumferentially spaced actuator arrangements (32), each comprising first and second circumferentially spaced parallel actuator arms (34, 36) pivotably coupled to the annular ring (24) at a first end and to a slide arrangement (38) at a second end. Each slide arrangement (38) is mounted for linear sliding movement relative to the annular ring (24), such that sliding movement of each slide arrangement (38) causes pivoting of the first and second actuator arms (34, 36) to thereby translate the annular ring (24) in one or both of a longitudinal direction and a lateral direction.
    • 可变几何排气喷嘴装置(20)包括限定排气管道(21)的周边的多个可铰接的排气阀瓣(22)和可滑动地接合每个阀瓣(22)的径向外表面的环形圈(24)。 环形环与多个周向间隔的致动器装置(32)耦合,每个致动器装置包括第一端和第二周向隔开的平行致动器臂(34,36),第一端和第二端可枢转地联接到环形圈(24) (38)在第二端。 每个滑动装置(38)被安装用于相对于环形圈(24)进行线性滑动运动,使得每个滑动装置(38)的滑动运动引起第一和第二致动器臂(34,36)的枢转,从而平移 (24)在纵向方向和横向方向中的一者或两者上。