IT1260657B - Elemento filtrante con avvolgimento ad elica. - Google Patents

Elemento filtrante con avvolgimento ad elica.

Info

Publication number
IT1260657B
IT1260657B ITTO930279A ITTO930279A IT1260657B IT 1260657 B IT1260657 B IT 1260657B IT TO930279 A ITTO930279 A IT TO930279A IT TO930279 A ITTO930279 A IT TO930279A IT 1260657 B IT1260657 B IT 1260657B
Authority
IT
Italy
Prior art keywords
layers
filter element
filter medium
treatment
propeller winding
Prior art date
Application number
ITTO930279A
Other languages
English (en)
Inventor
Peter J Degen
Original Assignee
Pall Corp
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
Application filed by Pall Corp filed Critical Pall Corp
Publication of ITTO930279A0 publication Critical patent/ITTO930279A0/it
Publication of ITTO930279A1 publication Critical patent/ITTO930279A1/it
Application granted granted Critical
Publication of IT1260657B publication Critical patent/IT1260657B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/111—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B01D29/216—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets with wound sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtration Of Liquid (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'elemento per il trattamento di un fluido che scorre attraverso l'elemento, che comprende almeno due strati di mezzo filtrante avvolti ad elica intorno ad un tubo cavo permeabile, gli strati di mezzo filtrante forando una struttura globale di pori graduata per l'elemento per il trattamento di fluidi e/oppure almeno uno stato di diffusione disposto tra gli strati del mezzo filtrante.
ITTO930279A 1992-06-10 1993-04-23 Elemento filtrante con avvolgimento ad elica. IT1260657B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/896,171 US5290446A (en) 1992-06-10 1992-06-10 Helical wrapped filter element

Publications (3)

Publication Number Publication Date
ITTO930279A0 ITTO930279A0 (it) 1993-04-23
ITTO930279A1 ITTO930279A1 (it) 1994-10-23
IT1260657B true IT1260657B (it) 1996-04-22

Family

ID=25405748

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO930279A IT1260657B (it) 1992-06-10 1993-04-23 Elemento filtrante con avvolgimento ad elica.

Country Status (8)

Country Link
US (1) US5290446A (it)
JP (1) JP2892907B2 (it)
CN (1) CN1048911C (it)
CA (1) CA2076158C (it)
DE (1) DE4319261C2 (it)
FR (1) FR2692163B1 (it)
GB (1) GB2267656B (it)
IT (1) IT1260657B (it)

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DE19540876A1 (de) * 1995-11-02 1997-05-07 Gessner & Co Gmbh Mehrschichtige Separationseinheiten
US5711879A (en) * 1996-03-04 1998-01-27 American Metal Fibers Radial-flow filter and method of manufacture
JP3418060B2 (ja) * 1996-05-21 2003-06-16 株式会社日立ユニシアオートモティブ フィルタ
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US5730766A (en) * 1996-11-05 1998-03-24 Bha Group, Inc. Non-round unitary filter cartridge
US6190557B1 (en) * 1996-12-09 2001-02-20 Nitto Denko Corporation Spiral wound type membrane element, running method and washing method thereof
US5985004A (en) * 1998-03-17 1999-11-16 Boyd; Edward Lee Mist eliminator
US20030006186A1 (en) * 1998-10-05 2003-01-09 Pulek John L. Spiral wound depth filter
US6391200B2 (en) * 1998-10-05 2002-05-21 Cuno Incorporated Filter and method of filtering a fluid
US6755970B1 (en) 1999-06-22 2004-06-29 Trisep Corporation Back-flushable spiral wound filter and methods of making and using same
USD435640S (en) * 1999-08-26 2000-12-26 Bha Group Holdings, Inc. Combined cartridge filter and tube frame structure
US7163625B1 (en) 1999-12-16 2007-01-16 Kimberly-Clark Worldwide, Inc. Filtration device
US7347937B1 (en) * 2000-01-28 2008-03-25 Entegris, Inc. Perfluorinated thermoplastic filter cartridge
US6364247B1 (en) 2000-01-31 2002-04-02 David T. Polkinghorne Pneumatic flotation device for continuous web processing and method of making the pneumatic flotation device
US20020030008A1 (en) * 2000-03-31 2002-03-14 Kimberly-Clark Worldwide, Inc. Multi-component filter design
US6358292B1 (en) 2000-06-02 2002-03-19 Bha Group Holdings, Inc. Pleated filter element with reusable mounting plate
GB2364255B (en) * 2000-06-29 2002-11-27 Albert Edward Tromans Filter apparatus
JP2002201963A (ja) * 2000-12-28 2002-07-19 Mitsubishi Heavy Ind Ltd ガスタービン吸気部用のフィルタ及びガスタービン
US20040118779A1 (en) * 2002-12-23 2004-06-24 Rawson James Rulon Young Unitary water filter assembly for removal of chemical and microbiological contaminants
US7387656B2 (en) * 2005-01-07 2008-06-17 Mecs, Inc. Fiber collecting media strip for a mist eliminator
FR2891747B1 (fr) * 2005-10-10 2007-12-14 Maco Pharma Sa Unite de filtration pour l'elimination selective d'une substance cible
DE102006009164B4 (de) 2006-02-20 2011-06-09 Alantum Corporation, Seongnam Vorrichtung zur Separation von in Abgasen von Verbrennungskraftmaschinen enthaltenen Partikeln
US8951420B2 (en) 2009-04-03 2015-02-10 Hollingsworth & Vose Company Filter media suitable for hydraulic applications
US8950587B2 (en) 2009-04-03 2015-02-10 Hollingsworth & Vose Company Filter media suitable for hydraulic applications
US8679218B2 (en) 2010-04-27 2014-03-25 Hollingsworth & Vose Company Filter media with a multi-layer structure
US8696035B2 (en) 2010-10-27 2014-04-15 Bha Altair, Llc Venturi adapter
US8580004B1 (en) 2011-01-21 2013-11-12 iFil USA, LLC Unitary filter cartridge with flow transition mouth
CN104147848A (zh) * 2013-05-13 2014-11-19 东丽纤维研究所（中国）有限公司 一种复合滤材及其用途
US9694306B2 (en) 2013-05-24 2017-07-04 Hollingsworth & Vose Company Filter media including polymer compositions and blends
US9616371B1 (en) 2014-05-06 2017-04-11 iFil USA, LLC Cartridge filter with flow transition insert
US9744484B2 (en) 2014-06-26 2017-08-29 Pall Corporation Helically wrapped filter
US10343095B2 (en) 2014-12-19 2019-07-09 Hollingsworth & Vose Company Filter media comprising a pre-filter layer

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US5108604A (en) * 1991-08-23 1992-04-28 Desalination Systems, Inc. Semipermeable membrane cartridge and method of making

Also Published As

Publication number Publication date
DE4319261A1 (de) 1993-12-16
FR2692163A1 (fr) 1993-12-17
US5290446A (en) 1994-03-01
FR2692163B1 (fr) 1996-01-19
GB9307998D0 (en) 1993-06-02
DE4319261C2 (de) 1999-09-02
JPH0663316A (ja) 1994-03-08
GB2267656B (en) 1996-01-03
JP2892907B2 (ja) 1999-05-17
ITTO930279A0 (it) 1993-04-23
CN1087024A (zh) 1994-05-25
CA2076158A1 (en) 1993-12-11
CN1048911C (zh) 2000-02-02
ITTO930279A1 (it) 1994-10-23
CA2076158C (en) 1996-05-14
GB2267656A (en) 1993-12-15

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970429