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    • 2. 发明公开
    • ACTIVE MAGNETOHYDRODYNAMIC RATE SENSOR
    • AKTIVER MAGNETODYNAMISCHER DREHGESCHWINDIGKEITSMESSAUFNEHMER
    • EP0979412A4
    • 2000-02-16
    • EP97932419
    • 1997-07-02
    • A TECH CORP
    • LAUGHLIN DARREN R
    • G01C19/00G01C19/14G01P3/46G01P9/00G01P15/08
    • G01P3/46G01P9/00G01P15/08
    • A magnetohydrodynamic sensor having an annular sense channel containing a conductive liquid proof mass (11, 12). A radial flow is introduced into the annular channel (14) which, in response to rotation of the device, produces a coriolis force and resulting circumferential velocity of the fluid. An electromagnetic winding produces an alternating electromagnetic field directed perpendicular to the annular channel. First and second electrodes (17, 18) sense a time varying electric potential induced between the center of the annular channel and the circumference of the annular channel. The time varying electrical potential is proportional to the strength of the time varying electric field and rotational velocity of the channel with respect to said proof mass. The transformer (23) connected to the electrodes provides for amplification of the signal representing the rotational velocity of the channel with respect to the proof mass.
    • 一种磁流体动力学传感器,其具有包含导电液体检测质量体(11,12)的环形检测通道。 径向流动被引入到环形通道(14)中,该环形通道响应于装置的旋转而产生科里奥利力和所产生的流体的圆周速度。 电磁线圈产生垂直于环形通道的交变电磁场。 第一和第二电极(17,18)感测在环形通道的中心和环形通道的圆周之间感应的随时间变化的电势。 时变电势与时变电场的强度和通道相对于所述检验质量的旋转速度成比例。 连接到电极的变压器(23)提供表示通道相对于检测质量的旋转速度的信号的放大。
    • 3. 发明公开
    • ACTIVE MAGNETOHYDRODYNAMIC RATE SENSOR
    • 主动式磁流变液速率传感器
    • EP0979412A1
    • 2000-02-16
    • EP97932419.1
    • 1997-07-02
    • A-TECH Corporation
    • LAUGHLIN, Darren, R.
    • G01P9/00
    • G01P3/46G01P9/00G01P15/08
    • A magnetohydrodynamic sensor having an annular sense channel containing a conductive liquid proof mass (11, 12). A radial flow is introduced into the annular channel (14) which, in response to rotation of the device, produces a coriolis force and resulting circumferential velocity of the fluid. An electromagnetic winding produces an alternating electromagnetic field directed perpendicular to the annular channel. First and second electrodes (17, 18) sense a time varying electric potential induced between the center of the annular channel and the circumference of the annular channel. The time varying electrical potential is proportional to the strength of the time varying electric field and rotational velocity of the channel with respect to said proof mass. The transformer (23) connected to the electrodes provides for amplification of the signal representing the rotational velocity of the channel with respect to the proof mass.
    • 一种磁流体动力学传感器,其具有包含导电液体检测质量体(11,12)的环形检测通道。 径向流动被引入到环形通道(14)中,该环形通道响应于装置的旋转而产生科里奥利力和所产生的流体的圆周速度。 电磁线圈产生垂直于环形通道的交变电磁场。 第一和第二电极(17,18)感测在环形通道的中心和环形通道的圆周之间感应的随时间变化的电势。 时变电势与时变电场的强度和通道相对于所述检验质量的旋转速度成比例。 连接到电极的变压器(23)提供表示通道相对于检测质量的旋转速度的信号的放大。