发明名称 Plastic molded center tube assembly
摘要 A filter for a fluid system includes a housing having an interior cavity. A filter media is disposed in the housing and defines a central opening. A center tube assembly is arranged within the central opening and includes discs which are stackable upon one another. Each disc includes a central portion having base received by an inner wall of the central portion of the adjacent disc. An outer portion extends radially outwardly from the central portion and is positioned adjacent to the filter media. The central portion, base, and outer portion may include openings to permit the flow of fluid through the center tube assembly. The center tube assembly provides the desired structural integrity while permitting fluid to flow through the center tube. The present invention center tube assembly may be produced by a plastic molding process.
申请公布号 US7168572(B2) 申请公布日期 2007.01.30
申请号 US20050217558 申请日期 2005.09.01
申请人 PUROLATOR FILTERS NA LLC 发明人 NGUYEN LEDU QUOC;WRIGHT ALLEN BUHR
分类号 B01D27/06;F01M11/03;B01D29/07;B01D35/02;F16L55/24 主分类号 B01D27/06
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