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2. 发明授权

US06250151B1 Fluid flow meter incorporating magnetic detector 有权
标题翻译：含有磁性探测器的流体流量计
公开(公告)号：US06250151B1
公开(公告)日：2001-06-26
申请号：US09077741
申请日：1999-03-08
申请人： Michael Tingleff , Willi Miller , Manfred Kopl , Alfons Harding
发明人： Michael Tingleff , Willi Miller , Manfred Kopl , Alfons Harding
IPC分类号： G01F304
CPC分类号： G01F3/10
摘要： A device for measuring fluid volume output by a pump includes a meter housing having an inlet and an outlet through which the fluid flows. At least two inter-engaging screw spindles are rotatably mounted within the meter housing and are rotatable in response to fluid flow in an axial direction through the housing. An exciter disc is arranged in the fluid flow in the meter housing and connected to one of the at least two inter-engaging screw spindles for rotation therewith. The exciter disc has at least one substantially planar surface and a plurality of magnets circularly arranged thereon with their fields in an axial direction relative to the exciter disc. The meter housing is configured to form a gap and the exciter disc penetrates the gap, whereby a region of the meter housing is in close proximity to and extends over a portion of the planar surface of the exciter disc. At least two magnetic-sensitive detectors are disposed in the region of the meter housing proximate to and spaced from the exciter disc for cooperating with the magnets of the exciter disc for producing a signal representing rotation of the exciter disc.
摘要翻译：用于测量泵的流体体积输出的装置包括具有流体流过的入口和出口的仪表外壳。至少两个相互啮合的螺杆主轴可旋转地安装在仪表壳体内，并且可响应于在轴向方向上流过壳体的流体而旋转。激励器盘布置在仪表壳体中的流体流中并且连接到至少两个相互啮合的螺杆轴中的一个以与其一起旋转。激励器盘具有至少一个基本上平坦的表面和多个磁体，其圆周地布置在其上，其磁场相对于激励器盘在轴向方向上。仪表壳体被构造成形成间隙，并且激发器盘穿透间隙，由此仪表壳体的区域紧邻并延伸到激励器盘的平面表面的一部分上。至少两个磁敏检测器设置在靠近和与激励器盘隔开的仪表壳体的区域中，以与激励器盘的磁体协作以产生表示激励器盘旋转的信号。

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