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    • 3. 发明申请
    • ULTRASONIC FLOW METER
    • 超声波流量计
    • WO2010056465A1
    • 2010-05-20
    • PCT/US2009/060939
    • 2009-10-16
    • GENERAL ELECTRIC COMPANYSUI, LeiNGUYEN, Toan
    • SUI, LeiNGUYEN, Toan
    • G01F1/66
    • G01F1/668G01F1/667
    • In one embodiment, an ultrasonic flow meter (1000) is provided for measuring a flow rate of a medium flowing through a conduit (100), the ultrasonic flow meter comprising two ultrasonic emitters (110,120) and two ultrasonic receivers (130,140) mounted to the conduit. The flow rate is determined based on a first time interval of a first ultrasonic signal traveling from the first ultrasonic emitter (110) to the first ultrasonic receiver (130), and a second time interval of a second ultrasonic signal traveling from the second ultrasonic emitter (120) to the second ultrasonic receiver (140). In some embodiments, the first and second ultrasonic signals travel in a downstream direction with respect to the flow. In other embodiments, the first ultrasonic signal travels along a first transmission path that forms a first angle α between the first transmission path and the flow direction, while the second ultrasonic signal travels along a second transmission path that forms a second and different angle β between the second transmission path and the flow direction.
    • 在一个实施例中,提供了一种超声波流量计(1000),用于测量流过导管(100)的介质的流速,该超声波流量计包括两个超声波发射器(110,120)和两个超声波接收器(130,140) 导管。 基于从第一超声波发射器(110)行进到第一超声波接收器(130)的第一超声波信号的第一时间间隔和从第二超声波发射器行进的第二超声波信号的第二时间间隔来确定流量 (120)连接到第二超声波接收器(140)。 在一些实施例中,第一和第二超声波信号相对于流动沿下游方向行进。 在其他实施例中,第一超声波信号沿着第一传输路径传播,该第一传输路径在第一传输路径和流动方向之间形成第一角度α,而第二超声波信号沿第二传输路径行进,第二传输路径在第二传输路径之间形成第二和不同的角度β 第二传输路径和流向。