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    • 6. 发明授权
    • Regulator flow measurement apparatus
    • 调节器流量测量仪
    • US06895351B2
    • 2005-05-17
    • US10373209
    • 2003-02-24
    • Bruce F. GrumstrupPaul R. Adams
    • Bruce F. GrumstrupPaul R. Adams
    • G01F1/24G01F1/26G01F1/36G01F1/38G01F1/40G01F1/42G05D16/06G05D16/20G01L27/00G01F1/00G16K31/36
    • G01F1/383G01F1/24G01F1/26G01F1/363G01F1/40G01F1/42G01F25/0007G05D16/2093Y10T137/7761
    • A method and an apparatus for determining fluid flow through a pressure regulator is disclosed. The pressure regulator is disposed in a fluid flow passage and has a throttling element moveable in the flow passage. A stem is attached to the throttling element. The apparatus includes a first pressure sensor for measuring pressure upstream of the throttling element, a second pressure sensor for measuring pressure downstream of the throttling element, and a travel sensor for detecting the position of the throttling element. A processor is provided which includes a stored algorithm for determining flow rate based on the measured pressure and travel values and for calibrating the pressure regulator using a temporary flow meter disposed downstream of the throttling element. A system and method is also provided for calibrating a temperature transmitter associated with the pressure regulator.
    • 公开了一种用于确定通过压力调节器的流体流动的方法和装置。 压力调节器设置在流体流动通道中并且具有可在流动通道中移动的节流元件。 阀杆连接到节流元件。 该装置包括用于测量节流元件上游压力的第一压力传感器,用于测量节流元件下游压力的第二压力传感器,以及用于检测节流元件位置的行进传感器。 提供了一种处理器,其包括用于基于测量的压力和行进值来确定流量的存储算法,并且使用设置在节流元件下游的临时流量计来校准压力调节器。 还提供了用于校准与压力调节器相关联的温度变送器的系统和方法。