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    • 6. 发明申请
    • FLUID FILTER HAVING A FILTER ENVELOPE FORMED OF PANELS HAVING DECREASING PERMEABILITIES
    • 具有减少渗透性的面板的过滤器的流体过滤器
    • WO99042026A1
    • 1999-08-26
    • PCT/US1999/003873
    • 1999-02-23
    • A47J37/12A47J37/00B01D46/10
    • B01D46/10A47J37/1223B01D46/0036B01D2275/305Y10S210/08
    • A filter (10) for removing undesired materials from a fluid, such as used cooking oil, includes a filter envelope (11) including first and second panels (12, 14). The first panel (12) has a permeability greater than that of the second panel (14). The first panel (12) of the filter envelope (11) may be formed of a filter pad, and the second panel (14) may be formed of a filter paper and may enclose a metal spacer grid (18). When the filter (10) is connected to a pump for drawing the oil through the filter (10), the flow of the oil is directed selectively through the filter pad (12), whereby undesired materials are removed from the oil. The filter (10) provides for efficient flow of the oil to be filtered while removing undesired materials therefrom.
    • 用于从诸如使用过的烹饪油的流体中去除不需要的材料的过滤器(10)包括包括第一和第二面板(12,14)的过滤器外壳(11)。 第一面板(12)的导磁率大于第二面板(14)的磁导率。 过滤器封套(11)的第一面板(12)可以由滤垫形成,并且第二面板(14)可以由滤纸形成并且可以包围金属间隔栅格(18)。 当过滤器(10)连接到用于通过过滤器(10)抽油的泵时,油的流动选择性地通过过滤垫(12),由此从油中除去不期望的材料。 过滤器(10)提供待过滤的油的有效流动,同时从中除去不期望的物料。