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公开(公告)号：US5324168A
公开(公告)日：1994-06-28
申请号：US061128
申请日：1993-05-13
摘要： The present invention is the use of stellite material for all contact surfaces between moving parts and a metering pump pumping silver photographic emulsion. All parts that are in contact with the solutions containing silver made of stellite will prevent failure of rotating assemblies due to metallic silver plateout between rotating parts. Prior art pumps exhibited silver plateout after very few hours of operation.
摘要翻译： 本发明是在运动部件和泵浦银照相乳剂的计量泵之间的所有接触表面上使用司太立药物。 与含有由钨铬钴合金制成的银的溶液接触的所有部件将防止由于旋转部件之间的金属银压平导致的旋转组件的故障。 现有技术的泵在经过几个小时的操作之后显示出银平板。
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公开(公告)号：US5147545A
公开(公告)日：1992-09-15
申请号：US510354
申请日：1990-04-16
IPC分类号： B01D29/05
CPC分类号： B01D29/05
摘要： Disclosed herein is a housing for a disk of filter material. The housing includes two disk-shaped parts. One of the housing parts includes a radially-inwardly facing cylindrical surface for locating a filter disk. The other housing part includes a radially-outwardly facing cylindrical surface. The two cylindrical surfaces telescope together during assembly and serve to locate the housing parts relative to one another in directions parallel to the general plane of a filter disk in the housing. The radially inwardly facing cylindrical surface serves to locate a filter disk during assemble. Radially inwardly of the cylindrical surfaces is resilient means for engaging and squeezing the annular peripheral margin of the filter disk for at least partially preventing material being filtered passing radially outwardly of the filter disk and for totally preventing material bypassing the filter disk. Radially outwardly of the cylindrical surfaces is second resilient means providing a seal between the two housing parts for preventing any leakage out of the filter disk, passing to the exterior of the housing.
摘要翻译： 本文公开了一种用于过滤材料盘的壳体。 壳体包括两个盘形部件。 壳体部件之一包括用于定位过滤盘的径向向内的圆柱形表面。 另一个壳体部分包括径向向外的圆柱形表面。 两个圆柱形表面在组装期间望远镜一起并且用于在壳体中与过滤盘的总平面平行的方向上相对于彼此定位壳体部件。 径向向内的圆柱形表面用于在组装期间定位过滤盘。 圆柱形表面的径向向内是用于接合和挤压过滤盘的环形周边边缘的弹性装置，用于至少部分地防止通过径向向外过滤盘的过滤材料，并完全防止材料绕过滤盘。 在圆柱形表面的径向外侧是第二弹性装置，其在两个壳体部件之间提供密封，以防止任何从过滤盘泄漏出来，通过外壳的外部。
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3.发明授权
公开(公告)号：US5304312A
公开(公告)日：1994-04-19
申请号：US920403
申请日：1992-07-27
CPC分类号： B01D25/24 , B01D29/21 , B01D2313/21 , B01D35/30
摘要： A sealed filter unit is provided having end caps which engage fluid connectors which are in turn connectable to external piping conveying fluid through the filter and which provide a preliminary seal upon mounting the filter unit in the filter holder. The filter unit assures that all fluid passing through the unit is filtered in a single pass without wetting the filter holder into which the filter unit is mounted via the fluid connectors. The filter holder allows rapid and reliable insertion and removal of the filter unit to and from the filter holder. The filter holder will accept various sizes of filter units as required by the process. In the preferred embodiment, the fluid connectors are a part of the filter holder. In the absence of fluid pressure, the filter unit can be manually removed from the filter holder fluid connectors for replacement of the filter unit. The end caps deform under internal fluid pressure to lock the filter unit in place and to improve the fluid-tight seals between the end caps and the fluid connectors. A dutchman is provided for operations in which a filter element is not required or cleaning is required.
摘要翻译： 密封的过滤器单元设置有端盖，其接合流体连接器，流体连接器又可连接到通过过滤器输送流体的外部管道，并且在将过滤器单元安装在过滤器保持器中时提供初步密封。 过滤器单元确保通过单元的所有流体都被单次过滤，而不会通过流体连接器润湿过滤器单元所安装的过滤器保持器。 过滤器支架允许将过滤器单元快速可靠地插入和移出过滤器保持器。 过滤器保持器将接受过程要求的各种尺寸的过滤器单元。 在优选实施例中，流体连接器是过滤器保持器的一部分。 在没有流体压力的情况下，过滤器单元可以从过滤器保持器流体连接器手动地移除以更换过滤器单元。 端盖在内部流体压力下变形，以将过滤器单元锁定在适当位置，并改善端盖和流体连接器之间的流体密封。 提供荷兰人用于不需要过滤元件或需要清洁的操作。
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