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    • 5. 发明申请
    • OSCILLATING VANE ACTUATOR APPARATUS AND METHOD FOR ACTIVE FLOW CONTROL
    • 振动叶片致动器装置和主动流量控制方法
    • WO2008057586A3
    • 2008-07-17
    • PCT/US2007023559
    • 2007-11-07
    • BOEING COPOWELL ARTHUR GSIMMONS JAY R
    • POWELL ARTHUR GSIMMONS JAY R
    • B64C21/08
    • B64C21/025B64C2230/04B64C2230/06B64C2230/08B64C2230/18B64C2230/24Y02T50/166
    • An oscillating vane actuator for active control of fluid flow over a surface includes a plurality of pivoted vanes (16a) each surrounded by a wedge-shaped chamber (18), and each having first (20) and second (26) conduits with openings (22, 28) adjacent the surface (24). The actuator also includes a rotating shaft with a connecting rod to actuate the vanes (16a) in an oscillatory manner. As the vanes travel in one direction, fluid is forced out from the chambers through the first conduits and opening into the fluid stream adjacent the surface, while fluid is simultaneously drawn in through the second openings and conduits into the opposite side of each chamber. Similarly, when the vanes travel in the opposite direction, fluid is forced out through the second conduits and openings into the fluid stream adjacent the surface, while fluid is simultaneously drawn in through the first openings and conduits.
    • 用于主动控制表面上的流体流动的振动叶片致动器包括多个枢转叶片(16a),每个枢转叶片(16a)被楔形室(18)围绕,并且每个具有第一(20)和第二(26)导管,其具有开口 22,28)。 致动器还包括具有连杆的旋转轴,以振荡的方式致动叶片(16a)。 当叶片在一个方向上行进时,流体通过第一导管被从腔室排出,并且与邻近表面的流体流打开,同时流体同时被吸入通过第二开口和管道进入每个室的相对侧。 类似地,当叶片沿相反方向行进时,流体被迫通过第二导管和开口流入邻近表面的流体流中,而流体同时被拉入第一开口和导管。