发明名称 Underdrain filter block including a grout chamber
摘要 An underdrain filter block for use in draining and backwashing a filtering media in a filter bed includes a top wall, a pair of side walls extending from the top wall, and a bottom wall extending between the pair of side walls. The top wall, the pair of side walls, and the bottom wall define an upper portion and a lower portion. The lower portion includes a grout chamber having a plurality of openings defined by at least one of the bottom wall and the pair of side walls.
申请公布号 US8889003(B2) 申请公布日期 2014.11.18
申请号 US201112983465 申请日期 2011.01.03
申请人 Xylem Water Solutions Zelienople LLC 发明人 Berkebile Dean T.;Bruce Daniel E.;Ball Christopher J.
分类号 B01D24/24;B01D24/46 主分类号 B01D24/24
代理机构 The Webb Law Firm, P.C. 代理人 The Webb Law Firm, P.C.
主权项 1. An underdrain filter block for use in draining and backwashing a filtering media in a filter bed, the block comprising: a top wall; a pair of side walls extending from the top wall; a bottom wall extending between the pair of side walls, wherein the top wall, the pair of side walls, and the bottom wall define an upper portion and a lower portion, the lower portion including a grout chamber having a plurality of openings defined by at least one of the bottom wall and the pair of side walls, a ceiling of the grout chamber defined by an imperforate transverse wall positioned between the top wall and the bottom wall, the imperforate transverse wall extending continuously from one of said side walls to the other of said side walls, the grout chamber configured to receive grout during installation of the underdrain filter block.
地址 Zelienople PA US