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    • 7. 发明授权
    • Flowmeter
    • 流量计
    • US4223557A
    • 1980-09-23
    • US23810
    • 1979-03-26
    • John A. Brinkman
    • John A. Brinkman
    • G01F1/22G01F1/24G01F1/36
    • G01F1/24G01F1/22
    • The flowmeter is basically a curved rotameter, having a tapered conduit which is curved in the vertical plane. Inlet and outlet plenum chambers are provided for passing the fluid through the curved rotameter. A ball is positioned within the curved rotameter so that it can move up the conduit under the influence of the stream of fluid. A differential pressure sensor (which may be mounted on a partition separating the plenum chambers) determines the pressure differential between both sides of the ball. This pressure differential is an indication of the rate of flow of fluid through the meter. In a preferred embodiment, two conduits with opposed curves are used to compensate for variations in vertical alignment of the flowmeter.
    • 流量计基本上是一个弯曲的转子流量计,具有在垂直平面上弯曲的锥形导管。 提供入口和出口增压室,用于使流体通过弯曲的转子流量计。 一个球定位在弯曲的转子流量计内,使得它可以在流体流的影响下向上移动导管。 差压传感器(其可以安装在分隔压力室的隔板上)确定球的两侧之间的压力差。 该压力差表示流经仪表的流速。 在优选实施例中,使用具有相对曲线的两个管道来补偿流量计的垂直对准的变化。