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    • 75. 发明公开
    • FLOW MEASURING METHOD AND DEVICE
    • 流量测量方法和设置
    • EP1546661A1
    • 2005-06-29
    • EP03791501.4
    • 2003-07-10
    • Corrocean ASA
    • BRAATEN, Nils, Arne
    • G01F1/28G01P5/04
    • G01F1/74G01F1/86G01F11/28G01N9/10
    • Flow measuring method and device for measuring the velocity of a single-phase or multi-phase flow, such as a multi-phase flow in a process pipe etc. The method comprises calculating the flow velocity U only by measuring consecutive values of pressure p, temperature T and momentum D, and then calculating the change in pressure Δp, change in temperature ΔT and change in momentum ΔD. The device comprises a probe (1) with a housing (2) comprising electronic components connected to different sensors in the probe (1). The probe comprises a long, hollow momentum tube (3), fastened by its first end (3A) to the housing (2) and a hollow, cylindrical sensor tube (4), located inside the momentum tube (3) fastened by its first end (4A) to the first end (3A) of the momentum tube (3). The sensor tube (4) comprises plate capacitors (CA1, CA2, CA3, CA4) located on the outside of the second end (B), thereby being able to measure the conductance between the momentum tube (3) and the plate capacitors (CA1, CA2, CA3, CA4) on the sensing tube (4). The probe comprises a pressure sensor and a temperature sensor.
    • 77. 发明申请
    • FORCE METER
    • 力量表
    • WO2011123170A3
    • 2012-01-12
    • PCT/US2011000486
    • 2011-03-17
    • GUIXIAN LU
    • GUIXIAN LU
    • G01F1/34G01L7/00G01L9/14G01P5/04
    • A61B5/0826A61B5/09A61B5/6803
    • The primary application of this force meter is measurement of fluid flow. An external force to the force sensor push the force sensor away from the original position. The deviation of the force sensor is detected by a proximity sensor. An electronic unit takes a position signal from the proximity sensor as a feedback. The electronic unit generates electric current to an electromagnetic anti-force means. The electromagnetic anti-force means generates an anti- torque to prevent the force sensor from moving away from the original position. A display unit measures the electric current and calculates velocity and rate of fluid before displays the results.
    • 该力计的主要应用是测量流体流量。 力传感器的外力将力传感器推离原位置。 力传感器的偏差由接近传感器检测。 电子单元从接近传感器获取位置信号作为反馈。 电子单元产生电流到电磁抗力装置。 电磁抗力装置产生防扭矩以防止力传感器离开原始位置。 显示单元测量电流,并在显示结果之前计算流体的速度和速率。