Invention Grant
US08741138B2 Filter with end cap features 有权
过滤器带端盖功能

Filter with end cap features
Abstract:
A filter element is removably supported within a housing comprising a filter head and a collection bowl. The element is removed from the lower end of the housing when the collection bowl is removed. The element includes an annular side wall which supports the element on radial ribs within the collection bowl; and a series of projections or posts which engage ribs on the bowl and cause the element to rotate in conjunction with the bowl when the collection bowl is screwed off of the head. The rotation of the element breaks the seal stiction between an upper seal on the element and the filter head, such that the element remains with the bowl. Openings around the sidewall facilitate fluid flow around the lower end cap. The element is supported by the collection bowl as the bowl is removed, and easily removed from the bowl and replaced.
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