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    • 5. 发明授权
    • Meter
    • 仪表
    • US07827870B2
    • 2010-11-09
    • US12351233
    • 2009-01-09
    • David CottamMark Andrew FairmanNeil Furmidge
    • David CottamMark Andrew FairmanNeil Furmidge
    • G01F1/20
    • G01F1/3227G01F1/3245G01F1/58
    • A fluidic oscillator liquid flow meter comprising a body having an inlet portion to receive a flow of liquid to be measured, an outlet portion, a main channel defining a flow path between the inlet and outlet, the flow path including feedback structure to induce oscillations in the flowing fluid, the oscillations being detected by detector comprising means to apply a magnetic field across the flow path and sensing electrodes to detect the resulting e.m.f., the electrodes being positioned such that they protrude from the body into the flow path. A meter having driving signal means, which applies an alternating driving signal to the sensing electrodes, is also disclosed.
    • 一种流体振荡器液体流量计,其包括具有入口部分的主体,所述入口部分用于接收要测量的液体流,出口部分,限定入口和出口之间的流动路径的主通道,所述流动路径包括用于引起振荡的反馈结构 流动的流体,由检测器检测的振荡器包括用于在流路上施加磁场和感测电极以检测所得到的emf的装置,电极被定位成使得它们从主体突出到流动路径中。 还公开了一种具有向感测电极施加交替驱动信号的驱动信号装置的仪表。
    • 6. 发明申请
    • METER
    • 仪表
    • US20090173168A1
    • 2009-07-09
    • US12351233
    • 2009-01-09
    • David CottamMark Andrew FairmanNeil Furmidge
    • David CottamMark Andrew FairmanNeil Furmidge
    • G01F1/20
    • G01F1/3227G01F1/3245G01F1/58
    • A fluidic oscillator liquid flow meter comprising a body having an inlet portion to receive a flow of liquid to be measured, an outlet portion, a main channel defining a flow path between the inlet and outlet, the flow path including feedback structure to induce oscillations in the flowing fluid, the oscillations being detected by detector comprising means to apply a magnetic field across the flow path and sensing electrodes to detect the resulting e.m.f., the electrodes being positioned such that they protrude from the body into the flow path. A meter having driving signal means, which applies an alternating driving signal to the sensing electrodes, is also disclosed.
    • 一种流体振荡器液体流量计,其包括具有入口部分的主体,所述入口部分用于接收要测量的液体流,出口部分,限定入口和出口之间的流动路径的主通道,所述流动路径包括用于引起振荡的反馈结构 流动的流体,由检测器检测的振荡器包括用于在流路上施加磁场和感测电极以检测所得到的emf的装置,电极被定位成使得它们从主体突出到流动路径中。 还公开了一种具有向感测电极施加交替驱动信号的驱动信号装置的仪表。