公开(公告)号：US3824790A

公开(公告)日：1974-07-23

申请号：US34112273

申请日：1973-03-14

申请人： GRANLIN CORP

发明人： THOMAIDES L

IPC分类号： F01N3/28 ,  F02B3/06 ,  F01N3/14

CPC分类号： F01N3/2846 ,  F01N2260/10 ,  F01N2330/08 ,  F01N2450/30 ,  F01N2510/06 ,  F02B3/06

摘要： A catalytic exhaust purifier for diesel engines has a housing with means forming an inlet opening substantially centrally in one end of the housing and means forming an outlet opening substantially centrally in the other end of the housing. Within the housing there is a hollow cylindrical catalyst bed having a pair of opposed end walls, inner and outer spaced cylindrical grids secured to said end walls and oxidation catalyst pellets disposed between said grids. One bed end wall is secured to the inlet end of the housing and has a central opening communicating with the inlet opening in the housing. The other bed end wall is spaced from the other end of the housing and the outer cylindrical grid is spaced from the interior of the housing to provide a path for the flow of gas from the outer grid to the outlet opening of the housing. Support members spaced to provide for the passage of gas are fixedly secured to the bed end wall adjacent the outlet opening in the housing and slidably engage the means forming said outlet opening to support the catalyst bed and accommodate the longitudinal expansion and the contraction of the catalyst bed incident to temperature changes.

摘要翻译： 用于柴油发动机的催化排气净化器具有壳体，该壳体具有形成在壳体的一端中基本中心的入口开口，以及在壳体的另一端基本中心地形成出口开口的装置。 在壳体内部有一个中空的圆柱形催化剂床，其具有一对相对的端壁，固定在所述端壁上的内部和外部间隔开的圆柱形网格和设置在所述网格之间的氧化催化剂颗粒。 一个床端壁固定到壳体的入口端，并且具有与壳体中的入口开口连通的中心开口。 另一个床端壁与壳体的另一端间隔开，并且外圆柱形栅格与壳体的内部间隔开，以提供用于从外格栅流到壳体的出口开口的气流。 间隔开以提供气体通过的支撑构件被固定地固定到邻近壳体中的出口开口的床端壁上并且可滑动地接合形成所述出口的装置以支撑催化剂床并适应催化剂的纵向膨胀和收缩 床事件温度变化。