[특허]Underdrain system

RG Delaware, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Underdrain system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-024/22
미국특허분류(USC)	210/232; 210/293
출원번호	US-0373105 (2011-11-04)
등록번호	US-8409437 (2013-04-02)
발명자 / 주소	Roberts, R. Lee Addison, Mark Kevin
출원인 / 주소	RG Delaware, Inc.
대리인 / 주소	Merek, Blackmon & Voorhees, LLC
인용정보	피인용 횟수 : 1 인용 특허 : 12

초록
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A filter system for filtering water and/or wastewater which includes an underdrain system having a plurality of laterals that are anchored to the floor of a filter by a hold-down assembly. Preferably, the hold-down assembly does not rely on grout or other substance that is applied in a viscous or semi-viscous state and subsequently hardened as the primary means for connecting the underdrain laterals to the floor of the filter. Preferably, the hold-down assembly includes hold-down clips that can move relative to an anchor assembly and corresponding underd...

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1. An apparatus for use in a filter system for filtering water or wastewater, said apparatus comprising: (a) an underdrain lateral having at least one underdrain block for supporting at least a portion of a filter bed, said underdrain block having a plurality of exterior walls forming a substantially hollow interior; said underdrain block having a plurality of openings through which a fluid passes between said substantially hollow interior of said underdrain block and the filter bed during operation of the filter system;(b) a first anchor spaced from a second anchor, said first anchor and said second anchor each having a longitudinal axis that extends substantially perpendicular to a longitudinal axis of said underdrain lateral;(c) an elongated member having a longitudinal axis extending substantially parallel to said longitudinal axis of said underdrain lateral, said elongated member having a height greater than its width, said elongated member having a first opening and a second opening, said first anchor extends through said first opening of said elongated member and said second anchor extends through said second opening of said elongated member, at least a portion of said elongated member extends from said first anchor to said second anchor, said first opening and said second opening permit adjustment of the position of said elongated member along said longitudinal axis of said first anchor and said longitudinal axis of said second anchor to locate said elongated member in a desired position relative to said underdrain lateral;(d) said first opening and said second opening having a fixed size that does not vary during a process of operably connecting said elongated member to said first anchor and said second anchor; and,(e) at least one hold down member engaging said underdrain block and said elongated member for holding said underdrain block down against a floor of said filter system. 2. An apparatus as set forth in claim 1, wherein: (a) said elongated member is spaced from said at least one underdrain lateral. 3. An apparatus as set forth in claim 1, wherein: (a) said elongated member is disposed below an upper wall of said underdrain block, said upper wall of said underdrain block having a plurality of openings to permit a fluid to pass through said upper wall. 4. An apparatus as set forth in claim 3, wherein: (a) said underdrain block includes a side wall disposed adjacent said elongated member, a lug extends outwardly from said side wall of said underdrain block, an uppermost portion of said elongated member is disposed above said lug, said lug extends only a minor portion of the length of said underdrain block. 5. An apparatus as set forth in claim 4, wherein: (a) a flume is disposed between said first anchor and said second anchor. 6. An apparatus as set forth in claim 1, wherein: (a) said underdrain block includes an upper wall, said plurality of openings through which a fluid passes between said substantially hollow interior of said underdrain block and the filter bed during operation of the filter system are formed in said upper wall of said underdrain block, no portion of said elongated member is in direct contact with said upper wall of said underdrain block. 7. An apparatus as set forth in claim 1, wherein: (a) said first opening and said second opening of said elongated member are elongated. 8. An apparatus for use in a filter system for filtering water or wastewater, said apparatus comprising: (a) first and second underdrain laterals, each of said first and second underdrain laterals having at least one underdrain block for supporting at least a portion of a filter bed, said at least one underdrain block having an upper wall, a first side wall and a second side wall, said at least one underdrain block having a plurality of openings through which a fluid passes;(b) a first anchor spaced from a second anchor, said first anchor and said second anchor each having a longitudinal axis that extends substantially perpendicular to a longitudinal axis of said first and second underdrain laterals, at least one of said first anchor and said second anchor is an all-thread threaded over substantially an entire length of said at least one of said first anchor and said second anchor;(c) an elongated member having a longitudinal axis extending substantially parallel to said longitudinal axis of said underdrain lateral, said elongated member be operably connected to said first anchor and said second anchor, said elongated member being configured to permit adjustment of the position of said elongated, member along said longitudinal axis of said first anchor and said longitudinal axis of said second anchor to locate said elongated member in a desired position relative to said first and second underdrain laterals, said first anchor, said second anchor and said elongated member being disposed between said first underdrain lateral and said second underdrain lateral;(d) grout disposed between said first underdrain lateral and said second underdrain lateral, said grout acts with said elongated member to resist uplift forces on said first underdrain lateral and second underdrain lateral;(e) said elongated member having a first segment, a first opening and a second opening, said first opening and said second opening having a fixed size such that the size of said first opening and the size of said second opening is the same when the elongated member is detached from said first anchor and said second anchor and when the elongated member is operably connected to said first anchor and said second anchor; and,f) at least one hold down member engaging said underdrain block and said elongated member for holding said underdrain block down against a floor of said filter system. 9. An apparatus as set forth in claim 8, wherein: (a) said first anchor and said second anchor are all-threads threaded over substantially their entire length, a first nut is threaded on said first anchor and a second nut is threaded on said second anchor to restrict upward movement of said elongated member during operation of the filter. 10. An apparatus as set forth in claim 8, further comprising a first lug extending from a side of at least one of said underdrain blocks that is engaged by a first said at least one hold down member. 11. An apparatus as set forth in claim 10, further comprising a second lug extending from a side of at least one of said underdrain blocks that is engaged by a second said at least one hold down member. 12. An apparatus as set forth in claim 9, wherein: (a) said first anchor extends through a first opening in said elongated member and said second anchor extends through a second opening in said elongated member. 13. An apparatus as set forth in claim 12, wherein: (a) said elongated member has a height greater than its width. 14. An apparatus as set forth in claim 13, wherein: (a) at least a first portion of said elongated member completely surrounds said first anchor and at least a second portion of said elongated member completely surrounds said second anchor. 15. An apparatus as set forth in claim 14, wherein: (a) said first side wall of at least one underdrain block of said first underdrain lateral is disposed adjacent said first side wall of at least one underdrain block of said second underdrain lateral, each of said first sidewalls having a plurality of outwardly extending lugs, an uppermost portion of said elongated member is disposed above said plurality of outwardly extending lugs on each of said first sidewalls. 16. An apparatus as set forth in claim 15, wherein: (a) said elongated member includes a first segment extending between said first anchor and said second anchor, said first segment having a substantially rectangular cross-section. 17. An apparatus as set forth in claim 16, wherein: (a) said first segment extends between said first opening and said second opening of said elongated member.

이 특허에 인용된 특허 (12)

이 특허를 인용한 특허 피인용횟수: 1

Geibel, John L.; Bates, Brian J.. Grout support installation method for filter underdrain system. USP2017099764259.

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Underdrain system

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이 특허에 인용된 특허 (12)

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