ATE253966T1 - Filterunterdrainagesystem - Google Patents

Filterunterdrainagesystem

Info

Publication number
ATE253966T1
ATE253966T1 AT00924992T AT00924992T ATE253966T1 AT E253966 T1 ATE253966 T1 AT E253966T1 AT 00924992 T AT00924992 T AT 00924992T AT 00924992 T AT00924992 T AT 00924992T AT E253966 T1 ATE253966 T1 AT E253966T1
Authority
AT
Austria
Prior art keywords
water
cover
passageway
filter
welding
Prior art date
Application number
AT00924992T
Other languages
English (en)
Inventor
Philip Hambley
David Hambley
Cole Carothers
Govert Ii Bassett
Original Assignee
Philip Hambley
David Hambley
Cole Carothers
Govert Ii Bassett
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/303,306 external-priority patent/US7138056B2/en
Application filed by Philip Hambley, David Hambley, Cole Carothers, Govert Ii Bassett filed Critical Philip Hambley
Application granted granted Critical
Publication of ATE253966T1 publication Critical patent/ATE253966T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/001—Making filter elements not provided for elsewhere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
    • B01D24/24—Downward filtration, the container having distribution or collection headers or pervious conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/34—Seals or gaskets for filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/44—Special measures allowing the even or uniform distribution of fluid along the length of a conduit

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Removal Of Specific Substances (AREA)
  • Cyclones (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Drying Of Gases (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)
  • Sampling And Sample Adjustment (AREA)
AT00924992T 1999-04-30 2000-05-01 Filterunterdrainagesystem ATE253966T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/303,306 US7138056B2 (en) 1999-04-30 1999-04-30 Filter underdrain system for backwash flow and method for measuring same
US09/561,767 US6797166B1 (en) 1999-04-30 2000-04-29 Underdrain apparatus
PCT/CA2000/000442 WO2001010531A1 (en) 1999-04-30 2000-05-01 Filter underdrain system for backwash flow and method for measuring same

Publications (1)

Publication Number Publication Date
ATE253966T1 true ATE253966T1 (de) 2003-11-15

Family

ID=26973382

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00924992T ATE253966T1 (de) 1999-04-30 2000-05-01 Filterunterdrainagesystem

Country Status (8)

Country Link
US (1) US7410578B2 (de)
EP (1) EP1185348B1 (de)
AT (1) ATE253966T1 (de)
AU (1) AU781527B2 (de)
BR (1) BR0010175A (de)
DE (1) DE60006528T2 (de)
MX (1) MXPA01011035A (de)
WO (1) WO2001010531A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2440305A4 (de) * 2009-06-12 2013-10-16 Sev Trent Water Purification Inc Abflussvorrichtung
US20110162289A1 (en) * 2010-01-06 2011-07-07 Sal Cangialosi Gutter screen
US9199186B2 (en) * 2010-09-21 2015-12-01 Xylem Water Solutions Zelienople Llc Underdrain flume plate
USD684597S1 (en) 2011-12-23 2013-06-18 Xylem Water Solutions Zelienople Llc Granular filter media retainer
US8871093B2 (en) * 2012-01-12 2014-10-28 Xylem Water Solutions Zelienople Llc Filter media retainer assembly
USD687861S1 (en) 2012-01-17 2013-08-13 Xylem Water Solutions Zelienople Llc Filter media retainer
US9138665B2 (en) * 2012-07-20 2015-09-22 Xylem Water Solutions Zelienople Llc Filter media retainer assembly
BR112015005190A2 (pt) 2012-09-14 2017-07-04 Xylem Water Solutions Zelienople Llc bloco de subdrenagem para um sistema de filtragem, retentor para um meio de filtragem e sistema de filtragem
EP2964847B1 (de) 2013-03-05 2019-12-11 Xylem Water Solutions Zelienople, LLC Bodenabfluss und verfahren zur übertragung von kräften und flusslenkung
US20150231534A1 (en) * 2014-01-03 2015-08-20 Xylem Water Solutions Zelienople Llc In-situ Flush Apparatus for Water or Waste Water Filters
US10173150B2 (en) 2014-11-05 2019-01-08 Xylem Water Solutions Zelienople Llc Wall adaptor for filter underdrain
US10913014B2 (en) 2015-03-05 2021-02-09 Xylem Water Solutions Zelienople Llc Multiple rate filter underdrain lateral gas metering plate
USD773018S1 (en) 2015-04-13 2016-11-29 Xylem Water Solutions Zelienople Llc Wall adaptor for filter underdrain
WO2018213563A1 (en) * 2017-05-17 2018-11-22 Xylem Water Solutions Zelienople Llc Filter media retainer and underdrain system having a filter media retainer
CN108744686A (zh) * 2018-09-10 2018-11-06 净化控股集团股份有限公司 一种滤头
US12246271B2 (en) * 2023-04-04 2025-03-11 De Nora Water Technologies, LLC Media retention plate for a block underdrain system
US20250237028A1 (en) * 2024-01-23 2025-07-24 Anthratech, U.S., Inc. Underdrain systems, devices, and methods

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133766A (en) * 1977-03-11 1979-01-09 Koppers Company, Inc. Filter media support and containment system
US4627923A (en) * 1984-09-20 1986-12-09 International Tectonics Incorporated Apparatus and method of filtering solids from a liquid effluent
US4619765A (en) * 1984-10-10 1986-10-28 Roberts Filter Manufacturing Company Filter bottom construction
US4771804A (en) * 1987-06-17 1988-09-20 Morales Julio A Liquid level sensing and control assembly
US5019259A (en) * 1989-06-15 1991-05-28 Hambley John B Filter underdrain apparatus with partitioned distributor conduits
WO1991010493A1 (en) * 1990-01-16 1991-07-25 Ametek, Inc.-Plymouth Products Division Multi-function filter cartridge with flow distribution control
US5232592A (en) * 1991-04-03 1993-08-03 The F. B. Leopold Company, Inc. Cap for underdrains in gravity filters
US5149427A (en) * 1991-04-03 1992-09-22 The F.B. Leopold Company, Inc. Cap for underdrains in gravity filters
US5269920A (en) * 1991-04-03 1993-12-14 The F. B. Leopold Co., Inc. Cap system for underdrains in gravity filters
US5332497A (en) * 1991-10-25 1994-07-26 Baker Hughes Incorporated Nozzleless underdrain for granular filtration system
DE69710453D1 (de) * 1996-04-26 2002-03-21 Tetra Tech Trägersystem für fluidbehandlungsmedien
US5976370A (en) * 1997-07-07 1999-11-02 Westech Engineering, Inc. Underdrain structure for media filters
US7138056B2 (en) * 1999-04-30 2006-11-21 Hambley David M Filter underdrain system for backwash flow and method for measuring same
US6569327B2 (en) * 2001-01-23 2003-05-27 Rg Delaware, Inc. Apparatus for directing fluids through a filter system
US6951077B1 (en) * 2002-08-08 2005-10-04 Edward Alan Higginbotham Non clogging screen

Also Published As

Publication number Publication date
US7410578B2 (en) 2008-08-12
AU4387500A (en) 2001-03-05
BR0010175A (pt) 2003-07-01
EP1185348B1 (de) 2003-11-12
EP1185348A1 (de) 2002-03-13
US20050133434A1 (en) 2005-06-23
DE60006528T2 (de) 2004-05-13
AU781527B2 (en) 2005-05-26
WO2001010531A1 (en) 2001-02-15
DE60006528D1 (de) 2003-12-18
MXPA01011035A (es) 2004-04-21

Similar Documents

Publication Publication Date Title
ATE253966T1 (de) Filterunterdrainagesystem
PL363083A1 (pl) Filtr i sposób wytwarzania filtru
DE69637128D1 (de) Membranfiltervorrichtung
DE69524928D1 (de) Wasser-absorbent, verfahren zu dessen herstellung und den enthaltender absorbent-gegenstand
NL300388I2 (nl) Een werkwijze voor het maken van opthalmische suspensies die brinozolamide bevatten
BR9509763A (pt) Disposição e método de filtro de ar de fluxo invertido
DE69525756D1 (de) Wellenlängen selektiver filter
ID16072A (id) Metode untuk mengukur kecepatan aliran fluida secara akustik
DE69525549D1 (de) Dreilagiger, mikroporöser Batterieseparator und Herstellverfahren
FR2743077B1 (fr) Polyamide et un procede de fabrication de celui-ci, et des compositions le contenant
DE69636014D1 (de) Ionenaustauschermembrane aus polyethylen, herstellungsverfahren und verwendung
DE69810352D1 (de) Membranfilter
DE69528045D1 (de) Dna konstruktionen, zellen und die davon abgeleiteten pflanzen
EP1563895A4 (de) Poröse verbundmembran und verfahren zur herstellung der membran
WO2004071683A3 (en) Airborne pathogen isolation system and method
DE50300931D1 (de) Vogelkäfig
NO992949L (no) Fremgangsmåte og anlegg for produksjon av ferskvann fra saltholdig vann
AU2003257118A8 (en) Perforated electret articles and method of making the same
EP1301256A4 (de) Verfahren zur modifikation der durchlässigkeitscharakteristik von membranen
DE19735773B4 (de) Vorrichtung zum wasserdichten Verschließen von Öffnungen
DE50202672D1 (de) Piezoelektrischer schwingkreis, verfahren zu dessen herstellung und filteranordnung
ATA141894A (de) Vorrichtung zum herstellen von knoten
FR2775460B1 (fr) Servomoteur utilisant un filtre a densite controlee
DE60118409D1 (de) Herstellungsverfahren von immunglobulinen, die gegen menschlische thymozyten gerichtet sind
DE59607190D1 (de) Membranelement, damit ausgerüstetes Membranventil und Verfahren zur Herstellung des Membranelements

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties