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31 条记录 (耗时 0.017 秒)

    X-ray detector
    7.
    发明授权
    X-ray detector 有权
    X射线探测器

    公开(公告)号：US6060713A

    公开(公告)日：2000-05-09

    申请号：US152079

    申请日：1998-09-11

    申请人： Brian Skillicorn ,  Giovanni Pastrone

    发明人： Brian Skillicorn ,  Giovanni Pastrone

    IPC分类号： A61B6/03 ,  A61B6/06 ,  A61B6/12 ,  G01T1/20 ,  G01T1/202 ,  G01T1/29 ,  G21K1/02 ,  H01J35/14 ,  H05G1/10 ,  H05G1/64

    CPC分类号： H05G1/64 ,  A61B6/06 ,  A61B6/12 ,  A61B6/4028 ,  G01T1/2018 ,  G01T1/202 ,  G01T1/2971 ,  G21K1/025 ,  H01J35/14 ,  H05G1/10 ,  A61B6/4488 ,  A61B6/487

    摘要： A detector comprising a plurality of densely packed x-ray detectors arranged into an array. Each detector preferably comprises a scintillator element which is optically coupled to a photodetector element, preferably with a fiber optic link. Each photodetector element is preferably optically separate from adjacent photodetector elements. The detector array preferably includes integral alignment means to align the scintillator elements with the photodetector elements. The scintillator array elements are preferably formed from materials which possess a fast response and a minimum afterglow time.

    摘要翻译： 一种检测器，包括布置成阵列的多个密集堆积的x射线检测器。 每个检测器优选地包括闪光体元件，该闪烁器元件光学耦合到光电检测器元件，优选地具有光纤链路。 每个光检测器元件优选地与相邻光电检测器元件光学分离。 检测器阵列优选地包括使闪烁体元件与光电检测器元件对准的整体对准装置。 闪烁体阵列元件优选由具有快速响应和最小余辉时间的材料形成。

    Liquid flow regulator
    8.
    发明授权
    Liquid flow regulator 失效
    液体流量调节器

    公开(公告)号：US4703775A

    公开(公告)日：1987-11-03

    申请号：US856723

    申请日：1986-04-25

    申请人： Giovanni Pastrone

    发明人： Giovanni Pastrone

    IPC分类号： F16K7/00 ,  A61M5/168 ,  F16K7/06 ,  F16K7/02 ,  F16K31/50

    CPC分类号： F16K7/061 ,  A61M5/16877 ,  Y10T137/86734 ,  Y10T74/18584

    摘要： A liquid flow regulator has a housing including an axial bore, an inlet, an outlet and a plurality of axial grooves opening endwise of the inlet and laterally of the housing into the bore. The grooves, which have different axial lengths, taper axially so that the cross-sectional area of each groove gradually decreases from the inlet to nothing at a point where the groove merges with the bore. An elastomeric stock fits within the bore. A plunger for expanding the sock radially outward into sealing engagement with the housing adjacent the bore is axially movable within the bore. Flow through the grooves and the bore is regulated by the axial position of the plunger and the minimum cross-sectional area of the tapered, axial grooves at the axial location where the sock seals the bore. Axial adjustment of the plunger sequentially opens and closes passage from the grooves through the bore to the bore outlet. The upper end of the plunger is provided with threads for engagement with internal threading in a passageway so that rotation of the plunger adjusts its axial position for control of the flow. The connection between the plunger and passageway threads is flexible so that the threads can be flexed out of engagement with each other when it is desired to axially and non-rotatively move the plunger to quickly place the regulator in a fully open or fully closed condition.

    摘要翻译： 液体流量调节器具有壳体，该壳体包括轴向孔，入口，出口和多个轴向槽，所述轴向槽沿着入口的端部开口并且将壳体的侧向开口到孔中。 具有不同轴向长度的凹槽轴向渐缩，使得每个凹槽的横截面积在凹槽与孔合并的点处从入口逐渐减小到无。 弹性体坯料配合在孔内。 用于将袜子径向向外扩展以与邻近孔的壳体密封接合的柱塞可在孔内轴向移动。 通过凹槽和孔的流动由柱塞的轴向位置和楔形密封孔的轴向位置处的锥形轴向凹槽的最小横截面面积来调节。 柱塞的轴向调节顺序地打开和关闭从槽穿过孔到孔出口的通道。 柱塞的上端设置有用于与通道中的内螺纹接合的螺纹，使得柱塞的旋转调节其轴向位置以控制流动。 柱塞和通道螺纹之间的连接是柔性的，使得当期望轴向和非旋转地移动柱塞以将调节器快速放置在完全打开或完全关闭状态时，螺纹可以彼此偏离接合。