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    • 6. 发明授权
    • Filter with multi-purpose end cap
    • 过滤器带多功能端盖
    • US06638332B1
    • 2003-10-28
    • US10002655
    • 2001-10-31
    • Kelly R. SchmitzJon S. Wake
    • Kelly R. SchmitzJon S. Wake
    • B01D4610
    • B01D46/2414B01D46/0002B01D46/0041B01D46/521B01D2271/022F02M35/024
    • A filter (10), including an inside-out reverse flow air filter, has an annular filter element (20) with an upper end cap (24) provided by a resiliently compressible trifunctional member having: (a) a wall (50) deflecting debris radially outwardly within the housing away from the central opening (26) of the hollow filter interior (22); (b) an air entrance guide throat (52) directing air to the central opening (26) with reduced restriction; and (c) a sealing surface (54) sealed to the housing and blocking air flow from the inlet (28) to the outlet (34) otherwise bypassing the filter element. In further embodiments, simplified and cost reduced sealing is provided by a configured end cap.
    • 包括内向外逆流空气过滤器的过滤器(10)具有环形过滤器元件(20),所述环形过滤元件(20)具有由可弹性压缩的三功能构件提供的上端帽(24),所述三功能构件具有:(a) 在所述壳体内径向向外的碎屑远离所述中空过滤器内部(22)的中心开口(26); (b)空气入口引导喉部(52),其以减少的限制将空气引导到中心开口(26); 和(c)密封到壳体的密封表面(54),并阻止从入口(28)到出口(34)的气流旁路旁路过滤元件。 在另外的实施例中,通过配置的端盖提供简化和成本降低的密封。