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    • 4. 发明申请
    • FLOW SENSING METHOD WITH TEMPERATURE COMPENSATION
    • 流量传感方法与温度补偿
    • US20120239336A1
    • 2012-09-20
    • US13508643
    • 2010-10-15
    • Alain-Jean DelacheSteven Adam Kimmel
    • Alain-Jean DelacheSteven Adam Kimmel
    • G06F19/00G01F25/00
    • G01F25/0007G01F15/024G01F15/046
    • A method for calibrating a temperature compensation coefficient for a device (12) that utilizes flow. The device includes a flow path (16) and a flow restriction portion (14) in the flow path to create a pressure differential in the flow path. The method includes calculating a temperature compensation coefficient and obtaining a first temperature and a first differential pressure reading at a first time period before flow is generated through the device, and obtaining a second temperature and a second differential pressure reading at a second time period after flow is generated through the device. The method further includes obtaining a compensated differential pressure value based on the temperature compensation coefficient, the measured first temperature, the first differential pressure reading, the measured second temperature, and the second differential pressure reading. The method also includes obtaining the flow within the flow path as a function of the compensated differential pressure value.
    • 一种用于校准利用流量的装置(12)的温度补偿系数的方法。 该装置包括在流动路径中的流动路径(16)和流动限制部分(14),以在流动路径中产生压力差。 该方法包括计算温度补偿系数,并且在通过装置产生流量之前的第一时间段获得第一温度和第一差压读数,以及在流动之后的第二时间段获得第二温度和第二压差读数 是通过设备生成的。 该方法还包括基于温度补偿系数,所测量的第一温度,第一差压读数,测量的第二温度和第二差压读数来获得补偿压差值。 该方法还包括根据补偿差压值获得流路内的流量。