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1. 发明授权

US4047914A Internally supported multi-stage sleeve filter 失效
标题翻译：内置多级套筒式过滤器
公开(公告)号：US4047914A
公开(公告)日：1977-09-13
申请号：US727204
申请日：1976-09-27
申请人： Elwood F. Hansen , Arnold Goldberg , Henry Zenzie , Kermit Giroward
发明人： Elwood F. Hansen , Arnold Goldberg , Henry Zenzie , Kermit Giroward
IPC分类号： B01D39/20 , B01D46/10 , B01D46/02
CPC分类号： B01D46/10 , B01D39/2017
摘要： A self-supporting, self-gasketing, multi-stage, variable density glass fiber sleeve filter is disclosed and includes a reusable internal wire frame with a composite, low velocity fluid entry filter member on one side of the frame and a fluid egress member on the other side of the frame. The fluid entry filter member is made of two or more layers of medium to long filament puffed glass fiber that differ in thickness and density. The entry and egress members are stitched along longitudinal edge portions so as to form an open ended sleeve that can be slid on and off of the reusable frame. The sleeve is dimensioned such that when it is slid onto the frame both the entry and egress members are tensioned across the frame such that the entry member is outwardly curved with respect to the egress member.
摘要翻译：公开了一种自支撑，自密封，多级，可变密度的玻璃纤维套筒过滤器，并且包括可重复使用的内部线框架，其具有在框架的一侧上的复合低速流体入口过滤器构件和流体出口构件框架的另一边。流体入口过滤器构件由厚度和密度不同的两层或多层中长丝膨化玻璃纤维制成。入口和出口构件沿着纵向边缘部分被缝合，以形成能够在可再使用框架上滑动的开口套筒。套筒的尺寸使得当其滑动到框架上时，入口和出口构件跨过框架张紧，使得入口构件相对于出口构件向外弯曲。

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