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    Preload means for ceramic substrate in exhaust gas purifiers
    1.
    发明授权
    Preload means for ceramic substrate in exhaust gas purifiers 失效
    废气净化器中的陶瓷衬底的预压装置

    公开(公告)号：US3892537A

    公开(公告)日：1975-07-01

    申请号：US41954073

    申请日：1973-11-28

    申请人： CORNING GLASS WORKS

    发明人： GULATI SURESH T ,  HAGY HENRY E ,  MCCARTNEY JOHN S

    IPC分类号： F01N3/28 ,  B01J9/04 ,  B32B3/20 ,  F01N3/14

    CPC分类号： F01N3/2853

    摘要： A catalyst support for an exhaust gas purifier having a cylindrical, ceramic substrate with a helical groove on the periphery of the substrate and being contained within a cylindrical casing having a radially outward helical channel complimentarily aligned with the helical groove of the substrate, such that the helical groove and helical channel define a helical conduit between the casing and the substrate. A compressible wire mesh rope of cross-sectional area slightly larger than the cross sectional area of the helical conduit is compressed within the helical conduit along substantially the entire length of the helical conduit to apply a radial pressure on the substrate periphery, thereby fixing the position of the substrate while allowing thermal expansion of the substrate into an annular space between the casing and the substrate.

    摘要翻译： 一种用于排气净化器的催化剂载体，其具有圆柱形陶瓷基板，在基板的周边上具有螺旋槽，并且包含在具有与基板的螺旋槽相辅相对的径向向外的螺旋通道的圆柱形壳体内，使得 螺旋槽和螺旋通道在壳体和衬底之间限定螺旋管。 横截面积略大于螺旋管道横截面面积的可压缩丝网绳沿着螺旋导管的大致整个长度在螺旋导管内被压缩，以在基片周边施加径向压力，由此固定位置 同时允许衬底热膨胀到壳体和衬底之间的环形空间中。