CN101668576B - 波形过滤介质和元件 - Google Patents

波形过滤介质和元件 Download PDF

Info

Publication number
CN101668576B
CN101668576B CN2008800126303A CN200880012630A CN101668576B CN 101668576 B CN101668576 B CN 101668576B CN 2008800126303 A CN2008800126303 A CN 2008800126303A CN 200880012630 A CN200880012630 A CN 200880012630A CN 101668576 B CN101668576 B CN 101668576B
Authority
CN
China
Prior art keywords
layer
filter media
filter
fibers
fiber
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.)
Active
Application number
CN2008800126303A
Other languages
English (en)
Chinese (zh)
Other versions
CN101668576A (zh
Inventor
大卫·托马斯·希利
理查德·E·加恩
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.)
Hollingsworth and Vose Co
Original Assignee
Hollingsworth and Vose Co
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 Hollingsworth and Vose Co filed Critical Hollingsworth and Vose Co
Publication of CN101668576A publication Critical patent/CN101668576A/zh
Application granted granted Critical
Publication of CN101668576B publication Critical patent/CN101668576B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • 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
    • 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
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2003—Glass or glassy material
    • B01D39/2017—Glass or glassy material the material being filamentary or fibrous
    • 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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/16—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces arranged on non-filtering conveyors or supports
    • 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
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/522—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with specific folds, e.g. having different lengths
    • 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
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/523—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with means for maintaining spacing between the pleats or folds
    • 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
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0216—Bicomponent or multicomponent fibres
    • B01D2239/0225—Side-by-side
    • 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
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0216—Bicomponent or multicomponent fibres
    • B01D2239/0233—Island-in-sea
    • 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
    • B01D2239/0654—Support layers
    • 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
    • B01D2239/1258—Permeability
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10—Multiple layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)
  • Chemically Coating (AREA)
CN2008800126303A 2007-02-28 2008-02-27 波形过滤介质和元件 Active CN101668576B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US89202507P 2007-02-28 2007-02-28
US60/892,025 2007-02-28
US98662607P 2007-11-09 2007-11-09
US60/986,626 2007-11-09
PCT/US2008/055088 WO2008106490A1 (en) 2007-02-28 2008-02-27 Waved filter media and elements

Publications (2)

Publication Number Publication Date
CN101668576A CN101668576A (zh) 2010-03-10
CN101668576B true CN101668576B (zh) 2013-07-24

Family

ID=39714337

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008800126303A Active CN101668576B (zh) 2007-02-28 2008-02-27 波形过滤介质和元件

Country Status (5)

Country Link
US (4) US7883562B2 (enExample)
EP (2) EP2620205B1 (enExample)
JP (1) JP5346301B2 (enExample)
CN (1) CN101668576B (enExample)
WO (1) WO2008106490A1 (enExample)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7883562B2 (en) 2007-02-28 2011-02-08 Hollingsworth & Vose Company Waved filter media and elements
US8202340B2 (en) * 2007-02-28 2012-06-19 Hollingsworth & Vose Company Waved filter media and elements
US8257459B2 (en) 2007-02-28 2012-09-04 Hollingsworth & Vose Company Waved filter media and elements
JP5425388B2 (ja) * 2007-10-19 2014-02-26 日本ゴア株式会社 エアフィルター及びこのエアフィルターを用いた掃除機用エアフィルター
PT2214800E (pt) * 2007-11-12 2016-06-23 Mgf Gutsche Gmbh & Co Kg Elemento filtrante
US8080488B2 (en) * 2008-03-10 2011-12-20 H. B. Fuller Company Wound glass filament webs that include formaldehyde-free binder compositions, and methods of making and appliances including the same
US8105411B2 (en) * 2008-08-28 2012-01-31 Illinois Tool Works Inc. Fluid filter system and method
JP5319380B2 (ja) * 2009-04-24 2013-10-16 北越紀州製紙株式会社 低坪量エアフィルタ用濾材
US20100314333A1 (en) * 2009-06-10 2010-12-16 Hollingsworth & Vose Company Flutable fiber webs with low surface electrical resistivity for filtration
KR20120047228A (ko) * 2009-06-12 2012-05-11 클라르코르 에어 필트레이션 프로덕츠, 인크. 멤브레인 프리 필터 및/또는 필터용 인티그럴 프레이밍
US8083828B2 (en) * 2009-06-19 2011-12-27 Hollingsworth & Vose Company Fiber web having a high stiffness
US8236082B2 (en) 2009-06-19 2012-08-07 Hollingsworth & Vose Company Flutable fiber webs with high dust holding capacity
BRPI1012760A2 (pt) 2009-06-24 2016-10-25 Donaldson Co Inc métodos e arranjo de filtro
US8398752B2 (en) * 2009-08-04 2013-03-19 Jerry M. Brownstein High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials
DE102009041401A1 (de) * 2009-09-12 2011-03-24 Hydac Filtertechnik Gmbh Filterelement mit einem Filtermedium sowie Verfahren zum Herstellen desselben
CN105709501B (zh) 2010-02-12 2019-01-08 唐纳森公司 液体过滤介质
JP2011161429A (ja) * 2010-02-15 2011-08-25 Shinwa Corp 袋型エアフィルタ
CN107648934B (zh) * 2011-08-12 2020-10-16 唐纳森公司 含有熔喷纤维的液体过滤介质
US20130048579A1 (en) * 2011-08-30 2013-02-28 Lawrence Livermore National Security, Llc Ceramic Filter with Nanofibers
US8496088B2 (en) 2011-11-09 2013-07-30 Milliken & Company Acoustic composite
WO2013112793A1 (en) * 2012-01-27 2013-08-01 Zeus Industrial Products, Inc. Electrospun porous media
DE102012010307B4 (de) * 2012-05-24 2021-07-08 Neenah Gessner Gmbh Mehrlagiges Filtermaterial zur Flüssigkeitsfiltration sowie daraus hergestelltes Filterelement
US9186608B2 (en) * 2012-09-26 2015-11-17 Milliken & Company Process for forming a high efficiency nanofiber filter
US10058808B2 (en) * 2012-10-22 2018-08-28 Cummins Filtration Ip, Inc. Composite filter media utilizing bicomponent fibers
DE102012219344A1 (de) * 2012-10-23 2014-04-24 BSH Bosch und Siemens Hausgeräte GmbH Filtersystem für ein Raumpflegegerät
US20140190137A1 (en) * 2013-01-10 2014-07-10 Tdc Filter Manufacturing, Inc. Media and Filter for Coastal and High Humidity Areas
US9463594B2 (en) 2013-03-13 2016-10-11 Braden Manufacturing, Llc Method and apparatus for corrugating filter media
AU2014237819B2 (en) 2013-03-15 2018-12-06 Donaldson Company, Inc. Filter media and elements
US9474994B2 (en) 2013-06-17 2016-10-25 Donaldson Company, Inc. Filter media and elements
US20150128803A1 (en) * 2013-11-11 2015-05-14 Bha Altair, Llc Assembly and Method for a Bag Filter
US20150174509A1 (en) * 2013-12-20 2015-06-25 Hollingsworth & Vose Company Filter media with fine staple fibers
US10441909B2 (en) * 2014-06-25 2019-10-15 Hollingsworth & Vose Company Filter media including oriented fibers
CN107073374B (zh) * 2014-09-08 2020-03-27 克拉克空气过滤产品有限公司 具有高容尘量的过滤器
US10343095B2 (en) 2014-12-19 2019-07-09 Hollingsworth & Vose Company Filter media comprising a pre-filter layer
US20160175751A1 (en) * 2014-12-19 2016-06-23 The Procter & Gamble Company Composite filter substrate comprising a mixture of fibers
US10300420B2 (en) 2014-12-19 2019-05-28 The Procter & Gamble Company Method of filtering particulates from the air using a composite filter substrate comprising a mixture of fibers
CN107405512B (zh) 2015-02-27 2021-02-19 3M创新有限公司 具有端部出口的柔性过滤元件
US10561972B2 (en) 2015-09-18 2020-02-18 Hollingsworth & Vose Company Filter media including a waved filtration layer
US10449474B2 (en) * 2015-09-18 2019-10-22 Hollingsworth & Vose Company Filter media including a waved filtration layer
KR102581153B1 (ko) 2015-10-21 2023-09-20 에스더블유엠 룩셈부르크 하나 이상의 습식 합성 섬유 층을 포함하는 연료 필터
US10315141B2 (en) * 2015-10-29 2019-06-11 Parker Hannifin Filtration (Us), Inc. Thermally bonded multi-layer felt filtration media
US10252200B2 (en) 2016-02-17 2019-04-09 Hollingsworth & Vose Company Filter media including a filtration layer comprising synthetic fibers
US11014030B2 (en) 2016-02-17 2021-05-25 Hollingsworth & Vose Company Filter media including flame retardant fibers
EP4324542A1 (en) 2016-02-19 2024-02-21 Baldwin Filters, Inc. Surface coated filter
US11161070B2 (en) 2016-05-13 2021-11-02 Donaldson Company, Inc. Filter media, elements, and methods
JP2018001063A (ja) * 2016-06-28 2018-01-11 Jnc株式会社 フィルター濾材及びその製造方法
US20180001244A1 (en) * 2016-07-01 2018-01-04 Hollingsworth & Vose Company Multi-layered electret-containing filtration media
US12420221B2 (en) 2016-07-01 2025-09-23 Hollingsworth & Vose Company Multi-layered electret-containing filtration media
EP3503992A4 (en) * 2016-08-26 2020-01-22 3M Innovative Properties Company IMPROVED ROOM AIR CLEANER AND FILTER MEDIA
JP2019531880A (ja) 2016-08-26 2019-11-07 スリーエム イノベイティブ プロパティズ カンパニー 縁部ダムを有するプリーツフィルタメディアを備えるプリーツフィルタエレメント並びにこれを製造及び使用する方法
US10350533B2 (en) 2016-08-30 2019-07-16 Filtereasy, Inc. Folding air filter assembly and apparatus
US10543441B2 (en) 2016-12-15 2020-01-28 Hollingsworth & Vose Company Filter media including adhesives and/or oleophobic properties
US10898838B2 (en) * 2016-12-15 2021-01-26 Hollingsworth & Vose Company Filter media including adhesives
US11077394B2 (en) * 2017-02-21 2021-08-03 Hollingsworth & Vose Company Electret-containing filter media
US10814261B2 (en) 2017-02-21 2020-10-27 Hollingsworth & Vose Company Electret-containing filter media
CN110446538B (zh) * 2017-03-22 2022-10-14 霍林斯沃思和沃斯有限公司 包括波形过滤层的过滤介质
US20180272258A1 (en) * 2017-03-22 2018-09-27 Hollingsworth & Vose Company Filter media including a waved filtration layer having a gradient
US10981096B2 (en) 2017-03-29 2021-04-20 Knowlton Technologies, Llc Process for making high efficiency synthetic filter media
US20180290087A1 (en) * 2017-04-11 2018-10-11 Hollingsworth & Vose Company Polyethersulfone fiber webs
KR102647818B1 (ko) * 2017-10-06 2024-03-13 캔두 에너지 인코포레이티드 원자력 발전에서 유체를 여과하기 위한 방법 및 장치
US11583797B2 (en) * 2018-01-04 2023-02-21 Nxtnano, Llc Dual density nanofiber media
EP3759401B1 (en) 2018-02-28 2025-04-02 Filtereasy, Llc Variable air filter assemblies
US11420143B2 (en) 2018-11-05 2022-08-23 Hollingsworth & Vose Company Filter media with irregular structure and/or reversibly stretchable layers
US11433332B2 (en) 2018-11-05 2022-09-06 Hollingsworth & Vose Company Filter media with irregular structure
US12239930B2 (en) 2019-03-28 2025-03-04 Donaldson Company, Inc. Filter media with improved dust loading
CN112439264A (zh) * 2019-08-28 2021-03-05 鼎朋企业股份有限公司 排气过滤装置
KR102221361B1 (ko) * 2019-12-02 2021-03-02 (주)쓰리에이씨 공기정화 필터
KR200497260Y1 (ko) * 2020-02-11 2023-09-14 (주)쓰리에이씨 공기정화 필터 및 공기정화 필터의 적층체
KR102252602B1 (ko) * 2020-04-17 2021-05-17 (주)쓰리에이씨 공기정화 필터의 필터코어 및 이를 포함하는 공기정화 필터
WO2021226049A1 (en) * 2020-05-04 2021-11-11 Hollingsworth & Vose Company Filter media with irregular structure and/or reversibly stretchable layers
CN116528961A (zh) * 2020-09-28 2023-08-01 唐纳森公司 具有改进的灰尘负载的过滤器元件
CN112619284A (zh) * 2021-01-26 2021-04-09 宁夏嘉铂睿环保科技集团有限公司 一种油漆生产用的杂质过滤装置
US20220362696A1 (en) * 2021-05-13 2022-11-17 Purafil, Inc. Antimicrobial filter media
WO2023025774A2 (en) 2021-08-27 2023-03-02 Johns Manville Corrugated filter media
KR20240052845A (ko) * 2021-09-07 2024-04-23 콜럼버스 인더스트리즈, 인코포레이티드 다층, 오일-저항성, 전기-기계식 합성 헤파 매체

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6656400B2 (en) * 2000-03-31 2003-12-02 Firma Carl Freudenberg Method for producing a pleatable filter material from a nonwoven fabric
US6743273B2 (en) * 2000-09-05 2004-06-01 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures

Family Cites Families (107)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2409066A (en) 1943-01-23 1946-10-08 Johns Manville Manufacture of felted products
US2500690A (en) 1945-11-21 1950-03-14 Owens Corning Fiberglass Corp Apparatus for making fibrous products
US2862542A (en) 1955-08-24 1958-12-02 Gen Motors Corp Apparatus and method for corrugating resin-impregnated sheet material
US3012923A (en) 1957-09-30 1961-12-12 Owens Corning Fiberglass Corp Fibrous products and method and apparatus for producing same
US3180775A (en) 1960-09-09 1965-04-27 Johnson & Johnson Method of making non-woven fabrics
US3214323A (en) 1964-02-11 1965-10-26 Johnson & Johnson Nonwoven fabrics and methods of making the same
JPS4831954B1 (enExample) 1968-02-14 1973-10-03
US3616035A (en) 1968-12-26 1971-10-26 Procter & Gamble Method of continuously making a uniform nonwoven fabric
US3949128A (en) 1972-08-22 1976-04-06 Kimberly-Clark Corporation Product and process for producing a stretchable nonwoven material from a spot bonded continuous filament web
US4089783A (en) 1974-02-08 1978-05-16 Crosland Filters Limited Filter
NL160303C (nl) 1974-03-25 1979-10-15 Verto Nv Werkwijze voor het vervaardigen van een vezelfilter.
US4111733A (en) 1975-07-23 1978-09-05 S.P.R.L. Limatex Method and apparatus for continuous manufacture of undulating or corrugated material
JPS5888019A (ja) * 1981-11-18 1983-05-26 Kanai Hiroyuki 高性能フイルタ−エレメント及びその製造方法
GR79970B (enExample) 1983-08-15 1984-10-31 Personal Products Co
US4576853A (en) 1983-11-10 1986-03-18 C. H. Masland & Sons Multi-layer pleated textile fiber product
JPH0340335Y2 (enExample) * 1985-07-29 1991-08-26
JPH0243468Y2 (enExample) * 1985-11-21 1990-11-19
US4650506A (en) 1986-02-25 1987-03-17 Donaldson Company, Inc. Multi-layered microfiltration medium
US4701197A (en) * 1986-10-07 1987-10-20 Allied Corp. Molded panel filter
US4874399A (en) 1988-01-25 1989-10-17 Minnesota Mining And Manufacturing Company Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene)
US4874457A (en) 1988-04-21 1989-10-17 Mcneil-Pc, Inc. Web corrugating apparatus
US5084178A (en) * 1988-06-15 1992-01-28 Pall Corporation Corrugated filter arrangement with support layer and flow channels
US5098767A (en) 1989-02-15 1992-03-24 Pall Corporation Filter device with micropleats and macropleats
US4961974A (en) 1989-03-03 1990-10-09 Ahlstrom Filtration, Inc. Laminated filters
CA2027687C (en) 1989-11-14 2002-12-31 Douglas C. Sundet Filtration media and method of manufacture
DE4002078C1 (enExample) 1990-01-25 1991-05-02 Fa. Carl Freudenberg, 6940 Weinheim, De
JP2949789B2 (ja) * 1990-06-08 1999-09-20 東レ株式会社 フィルターユニット
JP2981533B2 (ja) * 1990-11-13 1999-11-22 旭化成工業株式会社 成形フィルター
DE4143390A1 (en) 1991-04-26 1993-04-01 Fluorine contg. (co)polymers, useful for water- and oil repellent treatment of substrates
US5855783A (en) 1991-11-15 1999-01-05 Memtec America Corporation Pleated poly(tetra-fluoro ethylene) filter cartridge
US5558924A (en) 1992-02-26 1996-09-24 Shinih Enterprise Co., Ltd Method for producing a corrugated resin-bonded or thermo-bonded fiberfill and the structure produced thereby
US5753343A (en) 1992-08-04 1998-05-19 Minnesota Mining And Manufacturing Company Corrugated nonwoven webs of polymeric microfiber
US5686050A (en) 1992-10-09 1997-11-11 The University Of Tennessee Research Corporation Method and apparatus for the electrostatic charging of a web or film
US5401446A (en) 1992-10-09 1995-03-28 The University Of Tennessee Research Corporation Method and apparatus for the electrostatic charging of a web or film
SE502310C2 (sv) * 1992-11-09 1995-10-02 Mikroklimat Sweden Ab Luftfilterelement
US5580459A (en) 1992-12-31 1996-12-03 Hoechst Celanese Corporation Filtration structures of wet laid, bicomponent fiber
US5397632A (en) 1993-05-14 1995-03-14 Reemay, Inc. Nonwoven laminated composite article capable or readily undergoing pleating to form a stable pleated depth gaseous filtration medium
US5491016A (en) 1994-03-15 1996-02-13 Fibertech Group, Inc. Bulkable porous nonwoven fabric
US5674302A (en) * 1994-07-12 1997-10-07 Nippondenso Co., Ltd. Automobile filter element
JPH0824546A (ja) * 1994-07-12 1996-01-30 Nippondenso Co Ltd フィルタ及び流体濾過器
US6146436A (en) * 1994-08-05 2000-11-14 Firma Carl Freudenberg Cartridge filter
US5645627A (en) 1995-02-28 1997-07-08 Hollingsworth & Vose Company Charge stabilized electret filter media
US5955174A (en) 1995-03-28 1999-09-21 The University Of Tennessee Research Corporation Composite of pleated and nonwoven webs
CN1068795C (zh) * 1995-04-21 2001-07-25 唐纳森公司 褶皱式过滤器制造方法
US6090469A (en) 1995-04-21 2000-07-18 The University Of Tennessee Research Corporation Mechanically interlocked and thermally fused staple fiber pleated and non-pleated webs
US5804512A (en) 1995-06-07 1998-09-08 Bba Nonwovens Simpsonville, Inc. Nonwoven laminate fabrics and processes of making same
US6171684B1 (en) 1995-11-17 2001-01-09 Donaldson Company, Inc. Filter material construction and method
US5672399A (en) 1995-11-17 1997-09-30 Donaldson Company, Inc. Filter material construction and method
US5792242A (en) 1996-02-26 1998-08-11 Minnesota Mining And Manufacturing Co. Electrostatic fibrous filter web
DE19613463A1 (de) * 1996-04-04 1997-10-09 G U T Ges Fuer Umwelttechnolog Für einen Gasfilter bestimmtes Filtermedium
JP3273735B2 (ja) * 1996-05-17 2002-04-15 日東電工株式会社 ポリテトラフルオロエチレン多孔質膜およびその製造方法、シート状ポリテトラフルオロエチレン成形体、並びに、エアーフィルター用濾材
US6056809A (en) 1996-10-18 2000-05-02 Rick L. Chapman High efficiency permanent air filter and method of manufacture
US5800586A (en) * 1996-11-08 1998-09-01 Johns Manville International, Inc. Composite filter media
US5858045A (en) 1996-11-27 1999-01-12 Air Kontrol, Inc. Multiple layer air filter media
US5785725A (en) 1997-04-14 1998-07-28 Johns Manville International, Inc. Polymeric fiber and glass fiber composite filter media
US5820645A (en) 1997-05-23 1998-10-13 Reemay, Inc. Pleatable nonwoven composite article for gas filter media
FR2766197B1 (fr) 1997-07-17 1999-09-03 Nyltech Italia Copolyamide thermoplastique, composition a base de ce copolyamide thermoplastique
DE19752143A1 (de) 1997-11-25 1999-05-27 Mann & Hummel Filter Filterelement
FR2779662B1 (fr) * 1998-06-10 2000-07-13 Valeo Dispositif de filtration combine susceptible de retenir des particules ainsi que des gaz
US6432175B1 (en) 1998-07-02 2002-08-13 3M Innovative Properties Company Fluorinated electret
KR20010087356A (ko) 1998-09-09 2001-09-15 와이너 길버트 피. 유체 처리 요소, 유체 처리 요소 세척 방법 및 유체 처리방법
US20010009711A1 (en) 1998-12-16 2001-07-26 Margaret Gwyn Latimer Resilient fluid management materials for personal care products
US6588080B1 (en) 1999-04-30 2003-07-08 Kimberly-Clark Worldwide, Inc. Controlled loft and density nonwoven webs and method for producing
US6867156B1 (en) 1999-04-30 2005-03-15 Kimberly-Clark Worldwide, Inc. Materials having z-direction fibers and folds and method for producing same
DE19920983C5 (de) 1999-05-06 2004-11-18 Fibermark Gessner Gmbh & Co. Ohg Zwei- oder mehrlagiges Filtermedium für die Luftfiltration und daraus hergestelltes Filterelement
WO2001008781A2 (en) * 1999-07-30 2001-02-08 Donaldson Company, Inc. Cellulose based filter media and cartridge apparatus
US6627563B1 (en) 1999-08-19 2003-09-30 3M Innovative Properties Company Oily-mist resistant filter that has nondecreasing efficiency
JP3584855B2 (ja) 1999-10-07 2004-11-04 ダイキン工業株式会社 エアフィルター濾材
US6554881B1 (en) 1999-10-29 2003-04-29 Hollingsworth & Vose Company Filter media
JP2001179028A (ja) * 1999-12-27 2001-07-03 Tokyo Electric Power Co Inc:The 洗浄再生形ガスタービン用エアフィルタ
US6428610B1 (en) 2000-01-18 2002-08-06 The University Of Tennessee Research Corporation Hepa filter
GB0005037D0 (en) 2000-03-03 2000-04-26 Secr Defence Combined vapour and particulate filter
US6635136B2 (en) 2000-03-30 2003-10-21 Kimberly-Clark Worldwide, Inc. Method for producing materials having z-direction fibers and folds
JP3074719U (ja) * 2000-07-10 2001-01-26 オーベルランド マンゴルド ゲーエムベーハー ガス流から固体を捕集するためのフィルタ構造体
EP1247558A1 (en) 2001-04-07 2002-10-09 3M Innovative Properties Company A combination filter for filtering fluids
US7045029B2 (en) 2001-05-31 2006-05-16 Kimberly-Clark Worldwide, Inc. Structured material and method of producing the same
EP1266681B1 (en) 2001-06-13 2013-12-25 Nitto Denko Corporation Filter medium for turbine and methods of using and producing the same
US6397632B1 (en) 2001-07-11 2002-06-04 Praxair Technology, Inc. Gryogenic rectification method for increased argon production
US6514324B1 (en) 2001-08-10 2003-02-04 Rick L. Chapman High efficiency active electrostatic air filter and method of manufacture
JP3777120B2 (ja) * 2001-12-21 2006-05-24 呉羽テック株式会社 再使用可能なフィルターユニット
US6872311B2 (en) * 2002-01-31 2005-03-29 Koslow Technologies Corporation Nanofiber filter media
JP4361263B2 (ja) 2002-02-07 2009-11-11 本田技研工業株式会社 フィルタエレメント
US20030203696A1 (en) 2002-04-30 2003-10-30 Healey David Thomas High efficiency ashrae filter media
US20030203695A1 (en) 2002-04-30 2003-10-30 Polanco Braulio Arturo Splittable multicomponent fiber and fabrics therefrom
GB2389326B (en) * 2002-05-22 2005-09-28 Fenchurch Environmental Group A filter for use with high temperature gases
US20060272303A1 (en) 2003-03-20 2006-12-07 Ambic Co., Ltd. Nonwoven fabric air filter for internal combustion engine
US7008465B2 (en) 2003-06-19 2006-03-07 Donaldson Company, Inc. Cleanable high efficiency filter media structure and applications for use
DE10332439B3 (de) 2003-07-16 2004-12-30 Sandler Ag Zweilagen-Synthetik Filterelement
US7501003B2 (en) 2004-03-02 2009-03-10 Gore Enterprise Holdings Composite filter media
US7789930B2 (en) 2006-11-13 2010-09-07 Research Triangle Institute Particle filter system incorporating nanofibers
US7278187B2 (en) 2004-08-27 2007-10-09 Dan-Web Holding A/S Manufacture of a multi-layer fabric
US8042694B2 (en) 2004-11-02 2011-10-25 Baldwin Filters, Inc. Gathered filter media for an air filter and method of making same
BRPI0520889B1 (pt) 2004-11-05 2020-11-03 Donaldson Company, Inc. método de filtração de uma corrente líquida e método de filtração de um fluido aquecido
US20070084786A1 (en) 2005-10-14 2007-04-19 General Electric Company Filter, filter media, and methods for making same
US20070220852A1 (en) * 2006-03-27 2007-09-27 Hollingsworth And Vose Company High Capacity Filter Medium
US7955455B2 (en) 2006-06-14 2011-06-07 Marketing Technology Service, Inc. Wave-like structures bonded to flat surfaces in unitized composites and methods for making same
US7959751B2 (en) 2006-06-14 2011-06-14 Marketing Technology Service, Inc. Unitized composite fabrics with cross machine wave-like shaping and methods for making same
US20080067121A1 (en) * 2006-09-15 2008-03-20 Lpd Technologies, Inc. Fluid filter element with reinforcing scrim
US7883562B2 (en) 2007-02-28 2011-02-08 Hollingsworth & Vose Company Waved filter media and elements
US8257459B2 (en) * 2007-02-28 2012-09-04 Hollingsworth & Vose Company Waved filter media and elements
US8202340B2 (en) 2007-02-28 2012-06-19 Hollingsworth & Vose Company Waved filter media and elements
US20080217241A1 (en) 2007-03-05 2008-09-11 Alan Smithies Composite filter media and methods of manufacture
US8679216B2 (en) 2007-06-07 2014-03-25 E I Du Pont De Nemours And Company Process for forming a laminate of a nanoweb and a substrate and filters using the laminate
JP5383146B2 (ja) 2007-10-29 2014-01-08 信越ポリマー株式会社 非対称膜及びこれを用いた空調システム
WO2009057557A1 (ja) 2007-10-29 2009-05-07 Shin-Etsu Polymer Co., Ltd. 非対称膜及びこれを用いた空調システム
US8262780B2 (en) 2009-07-22 2012-09-11 Bha Group, Inc High performance gas turbine inlet filter (HEPA) using membrane media
US8715391B2 (en) 2012-04-10 2014-05-06 Milliken & Company High temperature filter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6656400B2 (en) * 2000-03-31 2003-12-02 Firma Carl Freudenberg Method for producing a pleatable filter material from a nonwoven fabric
US6743273B2 (en) * 2000-09-05 2004-06-01 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures

Also Published As

Publication number Publication date
EP2125158A4 (en) 2010-08-18
EP2620205B1 (en) 2018-11-07
US20080202078A1 (en) 2008-08-28
EP2125158B1 (en) 2014-01-15
US7883562B2 (en) 2011-02-08
US20140157742A1 (en) 2014-06-12
JP2010520049A (ja) 2010-06-10
EP2620205A3 (en) 2013-12-18
JP5346301B2 (ja) 2013-11-20
US8197569B2 (en) 2012-06-12
EP2620205A2 (en) 2013-07-31
US9718020B2 (en) 2017-08-01
EP2125158A1 (en) 2009-12-02
US20110162337A1 (en) 2011-07-07
WO2008106490A1 (en) 2008-09-04
CN101668576A (zh) 2010-03-10
US20120304602A1 (en) 2012-12-06

Similar Documents

Publication Publication Date Title
CN101668576B (zh) 波形过滤介质和元件
CN102438721B (zh) 波形过滤介质和元件
CN203417530U (zh) 波形过滤介质和元件
CN106687190B (zh) 包含定向纤维的过滤介质
US11123668B2 (en) Filter media including a filtration layer comprising synthetic fibers
CN108025228A (zh) 包括波形过滤层的过滤介质
CN110446538B (zh) 包括波形过滤层的过滤介质

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant