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    • 5. 发明申请
    • FLOW CONTROL ACTUATORS
    • 流量控制执行器
    • WO2008029095A1
    • 2008-03-13
    • PCT/GB2007/003301
    • 2007-08-31
    • BAE SYSTEM PLCCOOK, Michael, VictorWARSOP, Clyde
    • COOK, Michael, VictorWARSOP, Clyde
    • B64C9/38B64C15/14B64C21/04
    • B64C9/38B64C15/14
    • A flow control actuator (10) for a body exposed to fluid flow comprises first and second flow surfaces (14, 16) spaced to define an elongate gap (20) therebetween. An elongate control element is disposed in or adjacent the gap and has an externally facing arcuate surface and defines a first slot (24) between the control element and said first flow surface and a second slot between said control element and said second flow surface (26). The control element (22) is moveable to allow the width of said slots to be adjusted generally proportionally. The flow of pressurised flow control fluid passes from a plenum chamber (30) out through one or both slots (24, 26) to be deflected around the arcuate surface under the influence of the Coanda effect. The flow control actuator (10) may be provided in the trailing or leading edge of an aerofoil; alternatively it may be provided between two surfaces spaced to provide said gap but otherwise providing a generally continuous surface.
    • 用于暴露于流体流动的主体的流量控制致动器(10)包括间隔开并限定其间的细长间隙(20)的第一和第二流动表面(14,16)。 细长的控制元件设置在间隙中或邻近间隙并且具有外部面对的弓形表面并且在控制元件和所述第一流动表面之间限定第一槽(24),并且在所述控制元件和所述第二流动表面(26 )。 控制元件(22)可移动以允许所述槽的宽度大致成正比地调节。 加压流量控制流体的流动从集气室(30)通过一个或两个狭槽(24,26)流出,以在柯恩达效应的影响下绕弧形表面偏转。 流量控制致动器(10)可以设置在机翼的后缘或前缘; 或者可以在间隔开的两个表面之间提供以提供所述间隙,但是另外提供大致连续的表面。
    • 8. 发明申请
    • LOW TURBULENCE DIE ASSEMBLY FOR MELTBLOWING APPARATUS
    • 用于熔化设备的低涡度组件
    • WO2006071346A1
    • 2006-07-06
    • PCT/US2005/038413
    • 2005-10-24
    • KIMBERLY-CLARK WORLDWIDE, INC.HAYNES, Bryan, D.COOK, Michael, C.
    • HAYNES, Bryan, D.COOK, Michael, C.
    • D01D4/02
    • D01D4/025
    • An apparatus for forming meltblown material from a molten polymer includes a die configured with channels in the tip of the die through which molten polymer is extruded for forming meltblown fibers. Air plates are disposed relative to the die tip to define air channels proximate to the die tip for directing attenuating air against the molten polymer fibers extruded from the tip. The air channels include a zone of convergence adjacent the apex of the die tip at an included angle that is within a range of about 10 degrees to about 20 degrees such that each of the air channels defines a convergence angle with respect to a longitudinal axis of the polymer channels of between about 5 degrees to about 10 degrees.
    • 用于从熔融聚合物形成熔喷材料的设备包括:模具顶端设置有通道的模具,通过该模具挤出熔融聚合物以形成熔喷纤维。 空气板相对于模具顶端布置以限定靠近模头尖端的空气通道,用于将衰减的空气引导到从尖端挤出的熔融聚合物纤维上。 空气通道包括以约10度至约20度的范围内的夹角相对于模尖的顶点会聚的区域,使得每个空气通道限定相对于纵向轴线的纵向轴线的会聚角 聚合物通道在约5度至约10度之间。