DE69705600D1 - Elektrostatischer Filter - Google Patents

Elektrostatischer Filter

Info

Publication number
DE69705600D1
DE69705600D1 DE69705600T DE69705600T DE69705600D1 DE 69705600 D1 DE69705600 D1 DE 69705600D1 DE 69705600 T DE69705600 T DE 69705600T DE 69705600 T DE69705600 T DE 69705600T DE 69705600 D1 DE69705600 D1 DE 69705600D1
Authority
DE
Germany
Prior art keywords
electrostatic filter
electrostatic
filter
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69705600T
Other languages
English (en)
Other versions
DE69705600T2 (de
Inventor
Kazushi Kimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koken Co Ltd
Original Assignee
Koken Co Ltd
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 Koken Co Ltd filed Critical Koken Co Ltd
Publication of DE69705600D1 publication Critical patent/DE69705600D1/de
Application granted granted Critical
Publication of DE69705600T2 publication Critical patent/DE69705600T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • 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
    • B01D39/1615—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of natural origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0435—Electret
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0464—Impregnants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0618—Non-woven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0622—Melt-blown
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/064—The fibres being mixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/08—Special characteristics of binders
    • B01D2239/086—Binders between particles or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1233—Fibre diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1291—Other parameters
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/08—Fibrillating cellular materials
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/48—Processes of making filters
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/05—Methods of making filter
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/39—Electrets separator
    • 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.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2418—Coating or impregnation increases electrical conductivity or anti-static quality
    • 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]
    • Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
DE69705600T 1996-12-26 1997-08-14 Elektrostatischer Filter Expired - Lifetime DE69705600T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP35725596A JP3566477B2 (ja) 1996-12-26 1996-12-26 静電フィルター

Publications (2)

Publication Number Publication Date
DE69705600D1 true DE69705600D1 (de) 2001-08-16
DE69705600T2 DE69705600T2 (de) 2002-05-16

Family

ID=18453191

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69705600T Expired - Lifetime DE69705600T2 (de) 1996-12-26 1997-08-14 Elektrostatischer Filter

Country Status (5)

Country Link
US (1) US5935303A (de)
EP (1) EP0850692B1 (de)
JP (1) JP3566477B2 (de)
KR (1) KR100479285B1 (de)
DE (1) DE69705600T2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340053B (en) * 1997-04-04 2001-07-11 Ronald More A filter and filter assembly
US6238466B1 (en) * 1997-10-01 2001-05-29 3M Innovative Properties Company Electret articles and filters with increased oily mist resistance
US6432175B1 (en) * 1998-07-02 2002-08-13 3M Innovative Properties Company Fluorinated electret
US6627563B1 (en) * 1999-08-19 2003-09-30 3M Innovative Properties Company Oily-mist resistant filter that has nondecreasing efficiency
WO2001060496A1 (en) 2000-02-15 2001-08-23 Hollingsworth & Vose Company Melt blown composite hepa filter media and vacuum bag
JP4747255B2 (ja) * 2000-12-27 2011-08-17 Ｊｎｃ株式会社 帯電性を有するトウおよびそれを用いた積層体
US6802315B2 (en) * 2001-03-21 2004-10-12 Hollingsorth & Vose Company Vapor deposition treated electret filter media
WO2002089956A1 (en) * 2001-05-02 2002-11-14 Hollingsworth & Vose Company Filter media with enhanced stiffness and increased dust holding capacity
US6514324B1 (en) * 2001-08-10 2003-02-04 Rick L. Chapman High efficiency active electrostatic air filter and method of manufacture
US20030203696A1 (en) * 2002-04-30 2003-10-30 Healey David Thomas High efficiency ashrae filter media
US7553440B2 (en) * 2005-05-12 2009-06-30 Leonard William K Method and apparatus for electric treatment of substrates
JP5173593B2 (ja) * 2007-05-28 2013-04-03 花王株式会社 換気扇又はレンジフード用防汚フィルタ
WO2008146820A1 (ja) * 2007-05-28 2008-12-04 Kao Corporation 換気扇又はレンジフード用防汚フィルタ
CN101674872B (zh) * 2007-05-28 2013-01-09 花王株式会社 通风扇或抽油烟机用防污过滤器
US8246649B2 (en) * 2008-03-19 2012-08-21 Schneider M Bret Electrostatic vascular filters
US10167137B2 (en) * 2008-09-24 2019-01-01 Efip Holdings Lp Flame resistant viscose filter apparatus and method
US9599350B2 (en) * 2008-09-24 2017-03-21 Ellis Fibre Usa Flame resistant filter apparatus and method
US11434068B2 (en) 2008-09-24 2022-09-06 Restaurant Technologies, Inc. Flame resistant filter apparatus and method
US8277530B2 (en) * 2008-09-24 2012-10-02 Ellis Fibre Usa Grease removal apparatus, systems and methods
US20100212272A1 (en) * 2009-02-24 2010-08-26 Hollingsworth & Vose Company Filter media suitable for ashrae applications
KR101144448B1 (ko) * 2009-12-03 2012-06-14 현대자동차주식회사 정전필터제조방법 및 이를 적용한 정전필터
KR101962406B1 (ko) 2010-10-25 2019-03-26 릭 엘. 채프먼 전략적 이형단면 섬유 및/또는 전하 제어제를 함유하는 섬유 블렌드를 사용하는 여과 물질
JP2013034941A (ja) * 2011-08-08 2013-02-21 Toyobo Co Ltd 耐油性フィルター
US8935910B2 (en) 2011-10-24 2015-01-20 General Electric Company Rotary oil degradation byproducts removal system
CN105188877A (zh) * 2013-02-06 2015-12-23 达斯帝私人有限公司达斯帝联合信托公司 过滤介质
US10343095B2 (en) * 2014-12-19 2019-07-09 Hollingsworth & Vose Company Filter media comprising a pre-filter layer
KR102010953B1 (ko) * 2019-04-10 2019-08-14 주식회사 티엔솔루션 공기투과도가 우수한 초미세먼지 방진 나노섬유 복합메쉬
JP7453797B2 (ja) 2020-01-24 2024-03-21 キヤノン株式会社 静電フィルター用ユニット及び静電フィルター

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JPS5038169A (de) * 1973-07-05 1975-04-09
JPS5925613B2 (ja) * 1979-07-28 1984-06-19 新田ベルト株式会社 エレクトレツトフイルタ−
NL7907539A (nl) * 1979-10-11 1981-04-14 Tno Werkwijze voor het vervaardigen van elektreten.
JPS5932166A (ja) * 1982-08-16 1984-02-21 Nippon Telegr & Teleph Corp <Ntt> ポリアセチレン半導体素子
JPS6044015A (ja) * 1983-08-23 1985-03-08 Koken Kk 静電式空気ろ過フィルタ
JPS6171814A (ja) * 1984-09-14 1986-04-12 Koken Kk 静電式空気ろ過フイルタ
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JPH0331483A (ja) * 1989-06-27 1991-02-12 Nkk Corp 差厚絶縁皮膜電磁鋼板
JPH05214A (ja) * 1990-11-30 1993-01-08 Mitsui Petrochem Ind Ltd エレクトレツトフイルター
US5443606A (en) * 1992-03-26 1995-08-22 The University Of Tennessee Reserch Corporation Post-treatment of laminated nonwoven cellulosic fiber webs
JP2849291B2 (ja) * 1992-10-19 1999-01-20 三井化学株式会社 エレクトレット化不織布およびその製造方法
US5384337A (en) * 1993-02-05 1995-01-24 Budinger; William D. Poromeric material having uniformly distributed electrets for maintaining an electrostatic charge
AU669420B2 (en) * 1993-03-26 1996-06-06 Minnesota Mining And Manufacturing Company Oily mist resistant electret filter media
US5419953A (en) * 1993-05-20 1995-05-30 Chapman; Rick L. Multilayer composite air filtration media
DE9414040U1 (de) * 1994-08-30 1995-01-19 Hoechst Ag, 65929 Frankfurt Vliese aus Elektretfasermischungen mit verbesserter Ladungsstabilität
US5597645A (en) * 1994-08-30 1997-01-28 Kimberly-Clark Corporation Nonwoven filter media for gas
US5645627A (en) * 1995-02-28 1997-07-08 Hollingsworth & Vose Company Charge stabilized electret filter media
US5620785A (en) * 1995-06-07 1997-04-15 Fiberweb North America, Inc. Meltblown barrier webs and processes of making same
KR0126828B1 (ko) * 1995-06-26 1997-12-26 김태구 푸쉬너트 끼움용 공구
US5610455A (en) * 1995-06-29 1997-03-11 Minnesota Mining And Manufacturing Company Electret containing syndiotactic vinyl aromatic polymer
ZA965786B (en) * 1995-07-19 1997-01-27 Kimberly Clark Co Nonwoven barrier and method of making the same
US5709735A (en) * 1995-10-20 1998-01-20 Kimberly-Clark Worldwide, Inc. High stiffness nonwoven filter medium
KR970061323A (ko) * 1996-02-16 1997-09-12 고다 시게노리 일렉트렛화 부직포 필터재 및 그 제조방법

Also Published As

Publication number Publication date
KR100479285B1 (ko) 2005-08-31
US5935303A (en) 1999-08-10
JPH10180021A (ja) 1998-07-07
EP0850692B1 (de) 2001-07-11
EP0850692A1 (de) 1998-07-01
KR19980063458A (ko) 1998-10-07
JP3566477B2 (ja) 2004-09-15
DE69705600T2 (de) 2002-05-16

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