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    • 9. 发明申请
    • PROCESS LIQUID FLOWMETER
    • 过程液体流量计
    • US20130345996A1
    • 2013-12-26
    • US14003774
    • 2012-02-15
    • Takami SatohRyoji AndoKoji Uchimura
    • Takami SatohRyoji AndoKoji Uchimura
    • G01F1/66
    • G01F1/66G01F1/667G01F1/74
    • A flowmeter of the present invention is adapted to measure a flow velocity of a process liquid flowing through a supply pipe, and includes: a pair of ultrasonic oscillators located with a spacing therebetween of a predetermined distance along a flow direction of the supply pipe; a flow velocity calculating part calculating a flow velocity of the process liquid based on a first arrival time elapsed for an ultrasonic wave generated from one of the pair of ultrasonic oscillators to arrive at the other of the pair of ultrasonic oscillators and a second arrival time elapsed for an ultrasonic wave generated from the other of the pair of ultrasonic oscillators to arrive at the one of the pair of ultrasonic oscillators; and a bubble inclusion determining part determining, based on a time-varying amount of the calculated process liquid flow velocity, whether air bubbles are included in the process liquid.
    • 本发明的流量计适于测量流经供给管的处理液的流速,并包括:一对超声波振荡器,沿着供给管的流动方向间隔开一定距离; 流速计算部,其基于从所述一对超声波振荡器之一产生的超声波所经过的第一到达时间来计算所述处理液的流速,以到达所述一对超声波振荡器中的另一个,并且经过第二到达时间 用于从所述一对超声波振荡器中的另一个产生的超声波到达所述一对超声波振荡器中的一个; 以及气泡夹杂物确定部件,基于计算出的处理液体流速的时间变化量来确定处理液体中是否包含气泡。