ITTO930874A1 - Materiale di filtrazione triboelettrico e filtro che lo comprende. - Google Patents

Materiale di filtrazione triboelettrico e filtro che lo comprende.

Info

Publication number
ITTO930874A1
ITTO930874A1 ITTO930874A ITTO930874A1 IT TO930874 A1 ITTO930874 A1 IT TO930874A1 IT TO930874 A ITTO930874 A IT TO930874A IT TO930874 A1 ITTO930874 A1 IT TO930874A1
Authority
IT
Italy
Prior art keywords
filter
filtration material
triboelectric filtration
triboelectric
filtration
Prior art date
Application number
Other languages
English (en)
Inventor
Ray Wnenchak
Original Assignee
Gore & Ass
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 Gore & Ass filed Critical Gore & Ass
Publication of ITTO930874A0 publication Critical patent/ITTO930874A0/it
Publication of ITTO930874A1 publication Critical patent/ITTO930874A1/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28—Plant or installations without electricity supply, e.g. using electrets
    • B03C3/30—Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/50—FELT FABRIC
    • Y10T442/56—From synthetic organic fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
    • Y10T442/613—Microcellular strand or fiber material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
    • Y10T442/635—Synthetic polymeric strand or fiber material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ITTO930874 1992-11-23 1993-11-22 Materiale di filtrazione triboelettrico e filtro che lo comprende. ITTO930874A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US97994692A 1992-11-23 1992-11-23

Publications (2)

Publication Number Publication Date
ITTO930874A0 ITTO930874A0 (it) 1993-11-22
ITTO930874A1 true ITTO930874A1 (it) 1994-05-23

Family

ID=25527238

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO930874 ITTO930874A1 (it) 1992-11-23 1993-11-22 Materiale di filtrazione triboelettrico e filtro che lo comprende.

Country Status (8)

Country Link
US (1) US5368734A (it)
EP (1) EP0669849B1 (it)
AU (1) AU669207B2 (it)
CA (1) CA2145650A1 (it)
DE (1) DE69306973T2 (it)
FR (1) FR2698285A1 (it)
IT (1) ITTO930874A1 (it)
WO (1) WO1994012262A1 (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9202360D0 (en) * 1992-02-04 1992-03-18 Gore W L & Ass Uk Ostomy filter
US6211100B1 (en) 1996-04-30 2001-04-03 Minnesota Mining And Manufacturing Company Synthetic filter media
US5928414A (en) * 1996-07-11 1999-07-27 W. L. Gore & Associates, Inc. Cleanable filter media and filter elements
FR2761901B1 (fr) 1997-04-10 1999-05-14 Valeo Procede de realisation d'un dispositif de filtration et dispositif de filtration en particulier pour l'aeration et/ou la climatisation de locaux ou de vehicules
US6484723B2 (en) * 1999-02-11 2002-11-26 Eileen Haas Tracheostomy air filtration system
US6444312B1 (en) 1999-12-08 2002-09-03 Fiber Innovation Technology, Inc. Splittable multicomponent fibers containing a polyacrylonitrile polymer component
US6743273B2 (en) 2000-09-05 2004-06-01 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
ATE303170T1 (de) * 2001-06-11 2005-09-15 Boston Scient Ltd Komposit eptfe/textil prothese
CA2517023A1 (en) * 2002-12-31 2004-07-22 Ahlstrom Air Media Llc Two fiber filtration material
US20040177758A1 (en) * 2003-03-14 2004-09-16 Tsai Peter P. Triboelectric air filter media
DE102004035967A1 (de) * 2004-07-23 2006-03-16 Carl Freudenberg Kg Filteranordnung
ES2877817T3 (es) 2010-10-25 2021-11-17 Swm Luxembourg Sarl Material de filtración que utilizan mezclas de fibras que contienen fibras conformadas estratégicamente y/o agentes de control de carga
WO2017164112A1 (ja) * 2016-03-22 2017-09-28 パナソニックＩｐマネジメント株式会社 エアフィルタ濾材
US10814261B2 (en) 2017-02-21 2020-10-27 Hollingsworth & Vose Company Electret-containing filter media
US11077394B2 (en) 2017-02-21 2021-08-03 Hollingsworth & Vose Company Electret-containing filter media

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307332A (en) * 1964-12-11 1967-03-07 Du Pont Electrostatic gas filter
GB1198027A (en) * 1967-04-06 1970-07-08 Thermo Electron Corp Electrostatic Aerosol Filters
US3500618A (en) * 1968-06-07 1970-03-17 Johnson & Johnson Extended area air filter
CA962021A (en) * 1970-05-21 1975-02-04 Robert W. Gore Porous products and process therefor
US4177149A (en) * 1978-07-21 1979-12-04 Pall Corporation Filter assembly for intravenous liquid administration apparatus
US4664812A (en) * 1983-11-10 1987-05-12 Max Klein Liquid filtration apparatus and process
DD235831A1 (de) * 1985-04-02 1986-05-21 Ilka Luft Und Kaeltetechnik K Verfahren zur abscheidung von in gasen dispergierten teilchen
GB8612070D0 (en) * 1986-05-19 1986-06-25 Brown R C Blended-fibre filter material
US4798760A (en) * 1987-09-09 1989-01-17 Asten Group, Inc. Superimposed wet press felt
US5066319A (en) * 1989-02-08 1991-11-19 Lippold Hans Joachim Filter cartridge
JP2788976B2 (ja) * 1989-04-26 1998-08-20 ジャパンゴアテック株式会社 フィルター材
GB9006146D0 (en) * 1990-03-19 1990-05-16 Wheway Plc Filter
JPH05214A (ja) * 1990-11-30 1993-01-08 Mitsui Petrochem Ind Ltd エレクトレツトフイルター
US5216204A (en) * 1991-08-02 1993-06-01 International Business Machines Corp. Static dissipative electrical cable
US5229200A (en) * 1991-12-18 1993-07-20 W. L. Gore & Associates, Inc. Static dissipative nonwoven textile material
US5213882A (en) * 1991-12-18 1993-05-25 W. L. Gore & Associates, Inc. Static dissipative nonwoven textile material

Also Published As

Publication number Publication date
ITTO930874A0 (it) 1993-11-22
EP0669849B1 (en) 1996-12-27
DE69306973T2 (de) 1997-05-22
WO1994012262A1 (en) 1994-06-09
US5368734A (en) 1994-11-29
AU669207B2 (en) 1996-05-30
EP0669849A1 (en) 1995-09-06
DE69306973D1 (de) 1997-02-06
CA2145650A1 (en) 1994-06-09
FR2698285A1 (fr) 1994-05-27
AU4789393A (en) 1994-06-22

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Legal Events

Date Code Title Description
0003 Withdrawn