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    • 26. 发明授权
    • Differential pressure wind meter
    • 差压风力计
    • US07093483B2
    • 2006-08-22
    • US10848533
    • 2004-05-18
    • Francis Scott CoreyBen Lane
    • Francis Scott CoreyBen Lane
    • G01P5/00
    • G01P5/14G01P13/02
    • A wind meter comprising a plurality of micro-electro-mechanical (MEM) differential pressure sensors positioned in a lobed housing, with an even number of circumferential ports arranged in an equally-spaced, circular pattern at the distal ends of the lobes of the housing, with tubes leading inward from the ports to the MEM sensors. The MEM sensors and other control system electronics are contained in the housing and are fully enclosed therein. The lobed housing structure does not impede or influence the movement of the wind as it passes and yet serves to prevent the ingress of moisture into the housing, thereby preventing fouling of the sensors. The tubular structures include an internal coating of hydrophobic material and are oriented at a slight angle from the horizontal in order to accomplish this protection. The openings at the ends of the tubular structures are positioned outside the fluid boundary layer.
    • 一种风量计,其包括定位在叶状壳体中的多个微电机械(MEM)差压传感器,其中偶数个周向端口以等间隔的圆形图案布置在壳体的凸角的远端 ,从端口向内传导到MEM传感器。 MEM传感器和其他控制系统电子装置包含在壳体中并被完全封闭在其中。 叶片的壳体结构不会阻碍或影响风在其通过时的运动,并且还用于防止湿气进入壳体,从而防止传感器的结垢。 管状结构包括疏水材料的内部涂层,并且与水平方向成微小的角度定向以实现该保护。 管状结构端部的开口位于流体边界层的外侧。