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    • 1. 发明申请
    • Ultrasonic flow meter
    • 超声波流量计
    • US20050139014A1
    • 2005-06-30
    • US11070034
    • 2005-03-02
    • Hiroshi ImaiAkira TakadaMasahiro Hasunuma
    • Hiroshi ImaiAkira TakadaMasahiro Hasunuma
    • G01F1/66
    • G01F1/667G01F1/662
    • The present invention proposes an ultrasonic flow meter, comprising a conduit for measurement in which a liquid flows therein, and a pair of measurement sections which are provided in said conduit for measurement and are spaced apart by a certain interval along its longitudinal direction, and which obtains the flow velocity of said flowing liquid from the difference in the propagation time periods of ultrasonic in the two opposite directions between these measurement sections, and thereby measures the flow rate thereof, wherein a pair of fixing portions are provided which respectively support said conduit for measurement at the exterior side and also at the interior side in the longitudinal direction of said measurement sections.
    • 本发明提出了一种超声波流量计,其包括用于测量流体的流体管道,以及一对测量部分,其设置在所述测量管道中,并沿着其纵向间隔一定间隔,并且其中 从这些测量部之间的两个相反方向上的超声波的传播时间段的差中获得所述流动液体的流速,由此测量其流量,其中设置一对固定部分,其分别支撑所述管道 在所述测量部分的外侧和在纵向的内侧测量。
    • 3. 发明授权
    • Ultrasonic flow meter
    • 超声波流量计
    • US07024944B2
    • 2006-04-11
    • US10870317
    • 2004-06-16
    • Hiroshi ImaiAkira TakadaMasahiro Hasunuma
    • Hiroshi ImaiAkira TakadaMasahiro Hasunuma
    • G01F1/66
    • G01F1/667G01F1/662
    • The present invention proposes an ultrasonic flow meter, comprising a conduit for measurement in which a liquid flows therein, and a pair of measurement sections which are provided in said conduit for measurement and are spaced apart by a certain interval along its longitudinal direction, and which obtains the flow velocity of said flowing liquid from the difference in the propagation time periods of ultrasonic in the two opposite directions between these measurement sections, and thereby measures the flow rate thereof; wherein a pair of fixing portions are provided which respectively support said conduit for measurement at the exterior side and also at the interior side in the longitudinal direction of said measurement sections.
    • 本发明提出了一种超声波流量计,其包括用于测量流体的流体管道,以及一对测量部分,其设置在所述测量管道中,并沿着其纵向间隔一定间隔,并且其中 从这些测量部之间的两个相反方向上的超声波的传播时间段的差中获得所述流动液体的流速,从而测量其流量; 其中,设置有一对固定部分,它们分别支撑所述测量部分的外侧和内侧的用于测量的导管。
    • 4. 发明授权
    • Ultrasonic flow meter
    • 超声波流量计
    • US06978683B2
    • 2005-12-27
    • US11070034
    • 2005-03-02
    • Hiroshi ImaiAkira TakadaMasahiro Hasunuma
    • Hiroshi ImaiAkira TakadaMasahiro Hasunuma
    • G01F1/66
    • G01F1/667G01F1/662
    • The present invention proposes an ultrasonic flow meter, comprising a conduit for measurement in which a liquid flows therein, and a pair of measurement sections which are provided in said conduit for measurement and are spaced apart by a certain interval along its longitudinal direction, and which obtains the flow velocity of said flowing liquid from the difference in the propagation time periods of ultrasonic in the two opposite directions between these measurement sections, and thereby measures the flow rate thereof; wherein a pair of fixing portions are provided which respectively support said conduit for measurement at the exterior side and also at the interior side in the longitudinal direction of said measurement sections.
    • 本发明提出了一种超声波流量计,其包括用于测量流体的流体管道,以及一对测量部分,其设置在所述测量管道中,并沿着其纵向间隔一定间隔,并且其中 从这些测量部之间的两个相反方向上的超声波的传播时间段的差中获得所述流动液体的流速,从而测量其流量; 其中,设置有一对固定部分,它们分别支撑所述测量部分的外侧和内侧的用于测量的导管。
    • 6. 发明授权
    • Ultrasonic flow meter
    • 超声波流量计
    • US06782761B2
    • 2004-08-31
    • US10061915
    • 2002-02-01
    • Hiroshi ImaiMasahiro Hasunuma
    • Hiroshi ImaiMasahiro Hasunuma
    • G01F166
    • G01F1/667G01F15/18
    • This ultrasonic flow meter is provided for measuring flow volume by determining the flow rate of a liquid from the difference in propagation times of ultrasonic waves in both directions between measuring units by providing measuring units having transducer at an interval in the lengthwise direction on a measuring pipe through which liquid flows. A pair of mounting members are provided in a lower case of a case serving as a base at an interval wider than that of measuring units. The measuring pipe is held by respective retaining indentations to the outside in the axial direction of measuring units by facing a left mounting member and a right mounting member that compose the mounting members. In addition, an insulating material is filled into the case so as to cover the measuring units and the measuring pipe.
    • 该超声波流量计提供用于通过在测量管上设置长度方向上具有换能器的测量单元来确定来自测量单元之间的两个方向上的超声波的传播时间差的液体的流量, 液体流过。 一对安装构件以比测量单元更宽的间隔设置在用作基座的壳体的下壳体中。 测量管通过面对构成安装构件的左安装构件和右安装构件,通过相对于测量单元的轴向方向的外侧保持凹部来保持。 此外,将绝缘材料填充到壳体中以覆盖测量单元和测量管。
    • 8. 发明授权
    • Ultrasonic flow meter having a tubular elastic transducer holding unit
    • 超声波流量计具有管状弹性换能器保持单元
    • US06644130B2
    • 2003-11-11
    • US10061894
    • 2002-02-01
    • Hiroshi ImaiAkira Takada
    • Hiroshi ImaiAkira Takada
    • G01F166
    • G01F1/667
    • The ultrasonic flow meter of the present invention comprising a measuring pipe through which liquid flows, and two measuring units provided at an interval in the lengthwise direction on measuring pipe. A tightly adhered tube having elasticity is attached to an attaching indentation formed in the measuring pipe over the peripheral direction, and its inner peripheral surface is tightly adhered to the outer peripheral surface of measuring pipe. A transducer is arranged on the outer peripheral surface of tightly adhered tube in the state in which it is pressed against the outer peripheral surface of the tightly adhered tube. In this ultrasonic flow meter, the transmission of vibrations between the transducer and fluid inside the measuring pipe can be carried out uniformly.
    • 本发明的超声波流量计包括液体流过的测量管和在测量管上沿长度方向间隔设置的两个测量单元。 将具有弹性的紧密粘合的管附接到在测量管上形成的在周向上的安装凹部,并且其内周面紧密地粘附在测量管的外周面上。 传感器在紧贴在紧密粘合的管的外周表面的状态下布置在紧密粘合的管的外周表面上。 在这种超声波流量计中,传感器与测量管内的流体之间的振动传输可以均匀地进行。