DE69722933T2 - Gefaltetes filtermaterial - Google Patents

Gefaltetes filtermaterial Download PDF

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Publication number
DE69722933T2
DE69722933T2 DE69722933T DE69722933T DE69722933T2 DE 69722933 T2 DE69722933 T2 DE 69722933T2 DE 69722933 T DE69722933 T DE 69722933T DE 69722933 T DE69722933 T DE 69722933T DE 69722933 T2 DE69722933 T2 DE 69722933T2
Authority
DE
Germany
Prior art keywords
filter medium
groove
corrugated
edge
upstream
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
DE69722933T
Other languages
German (de)
English (en)
Other versions
DE69722933D1 (de
Inventor
M. Wayne WAGNER
R. Gary GILLINGHAM
C. Joseph TOKAR
T. Daniel RISCH
C. Jim ROTHMAN
H. Fred WAHLQUIST
A. Bernard MATTHYS
W. Stephen SABELKO
D. Bryan PATTEN
L. Gregory REICHTER
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.)
Donaldson Co Inc
Original Assignee
Donaldson Co Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24563213&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69722933(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Donaldson Co Inc filed Critical Donaldson Co Inc
Application granted granted Critical
Publication of DE69722933D1 publication Critical patent/DE69722933D1/de
Publication of DE69722933T2 publication Critical patent/DE69722933T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001Making filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/001Making filtering elements not provided for elsewhere
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/22Cell-type filters
    • B01D25/24Cell-type roll filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/22Cell-type filters
    • B01D25/26Cell-type stack filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/30Feeding devices ; Discharge devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/30Feeding devices ; Discharge devices
    • B01D25/305Feeding devices ; Discharge devices for discharging filtrate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0084Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/0095Means acting upon failure of the filtering system, e.g. in case of damage of the filter elements; Failsafes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0084Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/0097Special means for preventing bypass around the filter, i.e. in addition to usual seals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/525Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material which comprises flutes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/44Special measures allowing the even or uniform distribution of fluid along the length of a conduit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10Filtering material manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2271/00Sealings for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2271/02Gaskets, sealings
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1002Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007Running or continuous length work
    • Y10T156/1016Transverse corrugating
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1002Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007Running or continuous length work
    • Y10T156/1016Transverse corrugating
    • Y10T156/102Transverse corrugating with deformation or cutting of corrugated lamina
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1002Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1025Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1052Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1084Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing of continuous or running length bonded web
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/2457Parallel ribs and/or grooves

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)
  • Glass Compositions (AREA)
  • Cereal-Derived Products (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Filters And Equalizers (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Centrifugal Separators (AREA)
DE69722933T 1996-04-26 1997-04-25 Gefaltetes filtermaterial Expired - Lifetime DE69722933T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US63922096A 1996-04-26 1996-04-26
US639220 1996-04-26
PCT/US1997/007050 WO1997040918A1 (en) 1996-04-26 1997-04-25 Fluted filter media

Publications (2)

Publication Number Publication Date
DE69722933D1 DE69722933D1 (de) 2003-07-24
DE69722933T2 true DE69722933T2 (de) 2004-05-13

Family

ID=24563213

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69722933T Expired - Lifetime DE69722933T2 (de) 1996-04-26 1997-04-25 Gefaltetes filtermaterial

Country Status (13)

Country Link
US (3) US7329326B2 (cg-RX-API-DMAC7.html)
EP (1) EP0904143B1 (cg-RX-API-DMAC7.html)
JP (2) JP4303318B2 (cg-RX-API-DMAC7.html)
KR (1) KR20000065029A (cg-RX-API-DMAC7.html)
CN (1) CN1079275C (cg-RX-API-DMAC7.html)
AT (1) ATE243062T1 (cg-RX-API-DMAC7.html)
AU (1) AU722679B2 (cg-RX-API-DMAC7.html)
BR (1) BR9709744A (cg-RX-API-DMAC7.html)
DE (1) DE69722933T2 (cg-RX-API-DMAC7.html)
ES (1) ES2205220T3 (cg-RX-API-DMAC7.html)
PL (1) PL329557A1 (cg-RX-API-DMAC7.html)
WO (1) WO1997040918A1 (cg-RX-API-DMAC7.html)
ZA (1) ZA973639B (cg-RX-API-DMAC7.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101932372A (zh) * 2008-02-04 2010-12-29 唐纳森公司 用于形成槽纹过滤介质的方法和装置
US11298645B2 (en) 2007-06-26 2022-04-12 Donaldson Company, Inc. Filtration media pack, filter element, and methods
US11612845B2 (en) 2007-02-02 2023-03-28 Donaldson Company, Inc. Air filtration media pack, filter element, air filtration media, and methods
US12048888B2 (en) 2008-07-25 2024-07-30 Donaldson Company, Inc. Pleated filtration media, media packs, filter elements, and methods for filtering fluids

Families Citing this family (133)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4303318B2 (ja) * 1996-04-26 2009-07-29 ドナルドソン カンパニー,インコーポレイティド 縦溝が付けられたフィルター媒体
DE19742439C1 (de) * 1997-09-26 1998-10-22 Boehringer Ingelheim Int Mikrostrukturiertes Filter
US6190432B1 (en) 1999-02-26 2001-02-20 Donaldson Company, Inc. Filter arrangement; sealing system; and methods
ATE390193T1 (de) 1999-02-26 2008-04-15 Donaldson Co Inc Luftfilter
US7488365B2 (en) * 2001-12-03 2009-02-10 Donaldson Company, Inc. Filter element using corrugated media sheet
US6966940B2 (en) 2002-04-04 2005-11-22 Donaldson Company, Inc. Air filter cartridge
EP2269709B1 (en) 2002-05-09 2012-02-01 Donaldson Company, Inc. Air filter having side-entry
AU2003216131B2 (en) 2002-07-10 2009-04-23 Donaldson Company, Inc. Fluted filter medium and process for its manufacture
AU2003296350A1 (en) 2002-12-11 2004-06-30 Donaldson Company, Inc. Z-filter media with reverse-flow cleaning systems and methods
KR20050098922A (ko) 2003-02-11 2005-10-12 도널드선 컴파니 인코포레이티드 에어 크리너 배열과 서비스가능한 필터 구성 요소 및 방법
DE602004027472D1 (de) 2003-03-18 2010-07-15 Donaldson Co Inc Verbessertes verfahren zum wickeln von z-filtermedien
CN1890013B (zh) 2003-11-12 2010-10-27 唐纳森公司 用于过滤元件的带滑架的空气过滤器
JP4664926B2 (ja) 2003-12-22 2011-04-06 ドナルドソン カンパニー,インコーポレイティド シール構造を備えるフィルタエレメントおよびその製造方法
WO2005079954A1 (en) 2004-02-17 2005-09-01 Donaldson Company, Inc. Air cleaner arrangements; serviceable filter elements; and, methods
EP1729621B1 (en) 2004-03-24 2013-03-20 Donaldson Company, Inc. Air filter cartridge and making method
EP1748831B1 (en) 2004-04-30 2012-06-13 Donaldson Company, Inc. Filter assemblies and method
JP2005344581A (ja) * 2004-06-02 2005-12-15 Hino Motors Ltd パティキュレートフィルタ
CN100484601C (zh) 2004-06-08 2009-05-06 唐纳森公司 Z-过滤介质包结构和方法
US8034145B2 (en) 2004-06-14 2011-10-11 Donaldson Company, Inc. Air filter arrangement; assembly; and, methods
ATE457810T1 (de) 2004-07-20 2010-03-15 Donaldson Co Inc Z-filtermedienpackungsanordnung, filterpatrone, luftreinigungsvorrichtungsanordnung und verfahren
DE102004037706A1 (de) * 2004-08-04 2006-03-16 Purem Abgassysteme Gmbh & Co. Kg Filterplatte für einen Partikelfilter
EP2239039B1 (en) 2004-08-06 2021-10-06 Donaldson Company, Inc. Air filter cartridge
US20060090431A1 (en) * 2004-11-02 2006-05-04 Baldwin Filters, Inc. Filter assembly with combination filter element
US7931725B2 (en) 2004-11-02 2011-04-26 Baldwin Filters, Inc. Fluted filter apparatus
US8042694B2 (en) * 2004-11-02 2011-10-25 Baldwin Filters, Inc. Gathered filter media for an air filter and method of making same
US7318851B2 (en) 2004-11-02 2008-01-15 Baldwin Filters, Inc. Filter element
US20070186528A1 (en) * 2006-02-15 2007-08-16 Baldwin Filters, Inc. Fluted filter apparatus
US20060091064A1 (en) * 2004-11-02 2006-05-04 Baldwin Filters, Inc. Filter apparatus with separable seal support frame
US20060091061A1 (en) * 2004-11-02 2006-05-04 Baldwin Filters, Inc. Filter assembly with sealing system
US20110197556A1 (en) * 2004-11-02 2011-08-18 Baldwin Filters, Inc. Filter element
US20060091084A1 (en) * 2004-11-02 2006-05-04 Baldwin Filters, Inc. Fluted filter media with intermediate flow restriction and method of making same
US7909954B2 (en) * 2004-11-03 2011-03-22 Baldwin Filters, Inc. Method and apparatus for winding a filter media pack
US7569090B2 (en) 2004-11-12 2009-08-04 Donaldson Company, Inc. Method of forming filter arrangements; and, apparatus
MX388613B (es) 2005-01-13 2025-03-20 Donaldson Co Inc Cartucho de filtro de aire y montaje de purificador de aire.
BRPI0606628A2 (pt) 2005-01-13 2009-07-07 Donaldson Co Inc disposição de filtro de ar
US7520913B2 (en) 2005-02-04 2009-04-21 Donaldson Company, Inc. Non-cylindrical filter elements, and methods
US20070056444A1 (en) * 2005-07-12 2007-03-15 Garikipati Vijay K Electronic Enclosure Filter Containing Fluted Media
KR101463630B1 (ko) 2005-10-11 2014-11-19 도날드슨 컴파니, 인코포레이티드 에어 필터 배열, 조립체, 및 방법
ATE518576T1 (de) 2005-11-09 2011-08-15 Donaldson Co Inc Dichtungsanordnung für filterpatrone
US8702830B2 (en) * 2005-11-14 2014-04-22 Dcl International Inc. Diesel exhaust filtering apparatus
DE102005058612B4 (de) * 2005-12-07 2008-07-31 Carl Freudenberg Kg Filterelement und Anordnung
US7753982B2 (en) 2006-02-17 2010-07-13 Baldwin Filters, Inc. Filter with drained jacket, seal indicator/lock means, and seal baffle
US7625419B2 (en) 2006-05-10 2009-12-01 Donaldson Company, Inc. Air filter arrangement; assembly; and, methods
USD600790S1 (en) 2006-05-10 2009-09-22 Donaldson Company, Inc. Filter cartridge
WO2007145939A2 (en) * 2006-06-12 2007-12-21 Donaldson Company, Inc. Rolled axial flow filter and methods
CN103084021B (zh) 2006-06-22 2015-07-01 唐纳森公司 空气滤清器结构,其部件及方法
EP2664372A1 (en) 2006-10-06 2013-11-20 Donaldson Company, Inc. Air cleaner, replaceable filter cartridges, and methods
US7588619B2 (en) 2006-11-28 2009-09-15 Wix Filtration Corp. Cross-flow filter media and filter assembly
US9757676B2 (en) 2006-12-06 2017-09-12 Baldwin Filters, Inc. Method and apparatus for winding a filter element
US10040020B2 (en) 2006-12-06 2018-08-07 Baldwin Filters, Inc. Fluid filter apparatus having filter media wound about a winding frame
AU2013270543B2 (en) * 2007-02-02 2016-05-12 Donaldson Company, Inc. Air filtration media pack, filter element, air filtration media, and methods
AU2016202520B2 (en) * 2007-02-02 2017-06-15 Donaldson Company, Inc. Air filtration media pack, filter element, air filtration media, and methods
CN101646479B (zh) 2007-02-26 2012-10-17 唐纳森公司 空气过滤装置;空气滤清器组件和方法
AU2014201109B2 (en) * 2007-06-26 2016-07-21 Donaldson Company, Inc. Filtration media pack, filter elements, and methods
JP2009011921A (ja) * 2007-07-04 2009-01-22 Tanaka Kikinzoku Kogyo Kk ディーゼル排ガス浄化用フィルター
US8066791B2 (en) 2007-07-20 2011-11-29 Donaldson Company, Inc. Air cleaner arrangements with internal and external support for cartridge; components; and, methods
US8292984B2 (en) 2007-07-20 2012-10-23 Donaldson Company, Inc. Air cleaner arrangments with end support for cartridge; components; and, methods
WO2009033040A1 (en) 2007-09-07 2009-03-12 Donaldson Company, Inc. Air filter assembly; components thereof; and, methods
US9545593B2 (en) * 2007-11-01 2017-01-17 Baldwin Filters, Inc. Winding core pressure relief for fluted filter
AU2008320948B2 (en) 2007-11-15 2013-08-15 Donaldson Company, Inc. Air filter arrangements; assemblies; and, methods
PL2304326T3 (pl) 2008-01-14 2019-05-31 Core Energy Recovery Solutions Inc Membranowe wkłady harmonijkowe-krzyżowe i sposób wytwarzania membranowych wkładów harmonijkowych-krzyżowych
BRPI0907604B1 (pt) 2008-02-25 2020-09-15 Donaldson Company, Inc Elemento de filtro para limpeza pulsada e métodos
US9283503B2 (en) 2008-04-04 2016-03-15 Donaldson Company, Inc. Filter element, dust collector, and methods
US7959703B2 (en) 2008-06-30 2011-06-14 Baldwin Filters, Inc. Fluted filter with integrated frame
US8048187B2 (en) 2008-06-30 2011-11-01 Baldwin Filters, Inc. Filter frame attachment and fluted filter having same
WO2010011628A2 (en) 2008-07-22 2010-01-28 Donaldson Company, Inc. Air cleaner assembly; components therefor;and, methods
EP2323749A1 (en) * 2008-08-06 2011-05-25 Donaldson Company, Inc. Z-media having flute closures, methods and apparatus
US8197687B2 (en) * 2008-08-19 2012-06-12 Perry Equipment Corporation Contaminant adsorbent fluted filter element
US8317890B2 (en) * 2008-08-29 2012-11-27 Donaldson Company, Inc. Filter assembly; components therefor; and, methods
US8961637B2 (en) 2009-01-14 2015-02-24 Donaldson Company, Inc. Filter element; components thereof; and methods
WO2010099317A2 (en) 2009-02-27 2010-09-02 Donaldson Company, Inc. Filter cartridge; components thereof; and methods
EP3097969B1 (en) 2009-03-31 2021-08-04 Donaldson Company, Inc. Air cleaner
US8192623B2 (en) 2009-04-01 2012-06-05 Wix Filtration Corp Llc Filter structure
US8061530B2 (en) 2009-04-09 2011-11-22 Cummins Filtration Ip, Inc. Filtration sealing system
BR112012002409B1 (pt) 2009-08-03 2020-11-10 Donaldson Company, Inc método e aparelho para formação de meio de filtração estriado que tem estrias afuniladas
CN102264452B (zh) 2009-10-02 2016-02-24 唐纳森公司 具有中心板的过滤器滤芯、集尘器和方法
EP2488276B1 (en) 2009-10-14 2015-09-02 Donaldson Company, Inc. Filter cartridge with seal member and methods
MX2012008542A (es) * 2010-01-25 2012-11-12 Donaldson Co Inc Medios de filtracion plisados con estrias conicas.
GB2491081A (en) 2010-03-17 2012-11-21 Baldwin Filters Inc Fluid filter
WO2011115979A2 (en) 2010-03-17 2011-09-22 Baldwin Filters, Inc. Fluid filter
CN103687658B (zh) 2011-06-30 2016-05-04 唐纳森公司 空气/油分离器组件、部件和方法
US9387425B2 (en) 2011-10-26 2016-07-12 Donaldson Company, Inc. Filter assemblies; components and features thereof; and, methods of use and assembly
US9970394B2 (en) 2012-07-25 2018-05-15 Baldwin Filters, Inc. Filter housing, fluted filter and safety filter
KR101440723B1 (ko) * 2013-03-14 2014-09-17 정인숙 현열교환기, 이를 포함하는 열회수 환기장치, 및 그 해빙운전과 점검운전 방법
JP6377142B2 (ja) 2013-05-22 2018-08-22 ドナルドソン カンパニー,インコーポレイティド フィルタエレメント及びエアクリーナ
KR102299897B1 (ko) 2013-06-28 2021-09-09 도날드슨 컴파니, 인코포레이티드 에어 클리너 조립체를 위한 필터 카트리지
US9630132B2 (en) 2014-07-01 2017-04-25 Caterpillar Inc. Fluid filtering system
ES2924555T3 (es) * 2014-08-06 2022-10-07 Swm Luxembourg Sarl Elemento de filtro con láminas de soporte de fluoroplástico acanaladas y perforadas para un sustrato de filtro y procedimiento para su fabricación
EP3194048B1 (en) 2014-09-15 2020-07-08 Donaldson Company, Inc. Filter cartridge and air cleaner assembly
US9752541B2 (en) 2014-12-05 2017-09-05 Caterpillar Inc. Filter media
CN107223069B (zh) 2014-12-27 2021-06-22 唐纳森公司 过滤器滤芯;空气滤清器组件;外壳;特征;部件;以及方法
EP3265209B1 (en) 2015-03-02 2021-02-24 Donaldson Company, Inc. Air filter cartridge and air cleaner assembly
TWI534006B (zh) * 2015-04-09 2016-05-21 Filter element and its forming method
EP3337588B8 (en) 2015-08-17 2020-11-11 Parker-Hannificn Corporation Methods of making filter media packs
US11278833B2 (en) 2015-08-17 2022-03-22 Parker-Hamilton Corporation Filter media packs, methods of making, and ultrasonic cutting or welding
SG10201914010TA (en) 2015-10-09 2020-03-30 Oy Halton Group Ltd Filter devices methods and system
USD786935S1 (en) 2015-11-20 2017-05-16 Baldwin Filters, Inc. Filter element
US11020698B2 (en) 2015-12-11 2021-06-01 Cummins Filtration Ip, Inc. Filter with variable cross-section axial seal
WO2017106752A1 (en) 2015-12-18 2017-06-22 Kristof Decoster Filter cartridges and air cleaner assemblies
CA3011762C (en) 2016-02-08 2023-10-10 Dcl International Inc. Filtering media member for filtering particulate matter in a fluid stream
CN108601996B (zh) * 2016-02-25 2021-01-01 康明斯过滤Ip公司 具有变化通道和深波纹的折叠的过滤介质包
CN114288725B (zh) 2016-03-18 2023-06-13 康明斯过滤Ip公司 互锁稳定的过滤器组件
US10682597B2 (en) 2016-04-14 2020-06-16 Baldwin Filters, Inc. Filter system
DE112017001554T5 (de) 2016-05-02 2018-12-13 Cummins Filtration Ip, Inc. Filter mit verriegelbarer gehäuseschnittstelle
EP4268930B1 (en) 2016-07-06 2025-08-20 Donaldson Company, Inc. Air cleaner assemblies
CN109890666B (zh) 2016-10-20 2022-03-11 康明斯滤清系统知识产权公司 平坦的片的间断的定向凸起
US11426691B2 (en) 2016-11-04 2022-08-30 Donaldson Company, Inc. Filter elements, air cleaner assemblies, and methods of use and assembly
US11554338B2 (en) 2016-12-01 2023-01-17 Donaldson Company, Inc. Filter elements, air cleaner assemblies, and methods of use and assembly
WO2018140310A1 (en) 2017-01-25 2018-08-02 Cummins Filtration Ip, Inc. Expandable threaded adapter for threadless shell
DE112018000382T5 (de) 2017-02-21 2019-09-26 Cummins Filtration Ip, Inc. Gewellte ineinandergreifende Gehäuse-Endplatten-Schnittstellengeometrie
WO2018169648A1 (en) 2017-03-16 2018-09-20 Cummins Filtration Ip, Inc. Filtration sealing system
EP3401000A1 (en) 2017-05-09 2018-11-14 Donaldson Company, Inc. Adapter and air filter cartridge being adapted for use with such an adapter
CN107246336B (zh) * 2017-07-03 2023-04-07 广西华原过滤系统股份有限公司 一种蜂窝式空气滤清器滤芯及其制作方法
EP4183468A1 (en) 2017-08-09 2023-05-24 Donaldson Company, Inc. Filter cartridges and air cleaner assemblies
PL3675983T3 (pl) 2017-08-31 2023-09-04 Donaldson Company, Inc. Wkłady filtrów; zespoły filtra powietrza
CN116272215A (zh) 2017-11-27 2023-06-23 唐纳森公司 空气滤清器组件和使用方法
AU2019212155B2 (en) 2018-01-24 2024-08-15 Donaldson Company, Inc. Filter element, systems, and methods
US11596893B2 (en) * 2018-06-11 2023-03-07 Donaldson Company, Inc. Filter media, filter media packs, and filter elements
USD905842S1 (en) 2018-06-15 2020-12-22 Donaldson Company, Inc. Filter cartridge
WO2020021418A1 (en) 2018-07-23 2020-01-30 Cummins Filtration Sarl Radial seal for spin-on filter
CN113329804B (zh) 2018-11-29 2023-01-17 康明斯滤清系统知识产权公司 改进的分层过滤器框架
CN116422094A (zh) 2019-02-04 2023-07-14 唐纳森公司 用于对流体进行过滤的过滤器元件
USD1002792S1 (en) 2019-02-05 2023-10-24 Donaldson Company, Inc. Filter cartridge
US12083464B2 (en) 2019-02-08 2024-09-10 Donaldson Company, Inc. Filter element, air cleaner assembly, and methods
US11118545B2 (en) 2019-03-26 2021-09-14 Caterpillar Inc. Precleaner system
PL3881922T3 (pl) 2020-03-19 2024-07-22 Donaldson Company, Inc. Element w postaci filtra z elementem przyjmującym uszczelnienie
US11666844B2 (en) 2020-09-30 2023-06-06 Caterpillar Inc. Filtration device having a latch mechanism adapter
CN116194186A (zh) 2020-10-06 2023-05-30 康明斯过滤股份有限公司 具有独特形状的过滤器组件
WO2023141473A1 (en) 2022-01-18 2023-07-27 Donaldson Company, Inc. Filter cartridges; air cleaner assemblies; housing; features; components; and methods
EP4651966A1 (en) 2023-01-17 2025-11-26 Donaldson Company, Inc. Filter cartridge
WO2025240907A1 (en) 2024-05-17 2025-11-20 Donaldson Company, Inc. Filter elements and assemblies
WO2025240912A1 (en) 2024-05-17 2025-11-20 Donaldson Company, Inc. Filter elements and assemblies
US12434181B1 (en) 2024-11-01 2025-10-07 Donaldson Company, Inc. Air cleaner and filtration assemblies

Family Cites Families (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1193833A (cg-RX-API-DMAC7.html) 1959-11-05
US678999A (en) 1899-11-15 1901-07-23 Clarence W Hobbs Paper-slitting machine.
US891428A (en) * 1907-04-11 1908-06-23 William H Latus Process of applying surface paper to corrugated packing-boards.
US1729135A (en) * 1925-12-23 1929-09-24 Harold W Slauson Air and oil filter
US2038071A (en) * 1932-11-09 1936-04-21 Patent Finance Corp Fluid treating device
US2019186A (en) * 1933-03-01 1935-10-29 H S Kaiser Company Air filter
DE671096C (de) 1934-10-25 1939-02-01 Walther Lindner Rahmentaschenfilter
US2190886A (en) * 1939-06-07 1940-02-20 Air Mase Corp Filter means and method of making same
US2397759A (en) * 1942-04-17 1946-04-02 Sigmund Miroslav Filter
US2599604A (en) * 1949-07-13 1952-06-10 Jordan V Bauer Filter element
LU35565A1 (cg-RX-API-DMAC7.html) 1956-11-10
US2887177A (en) * 1958-02-18 1959-05-19 Donaldson Co Inc Air cleaner construction
US3025963A (en) * 1958-03-13 1962-03-20 Russell H Curtis Products useful as filtering devices and methods of making them
US3020963A (en) * 1958-04-09 1962-02-13 Hakkarinen William Cup anemometer
US3112184A (en) 1958-09-08 1963-11-26 Corning Glass Works Method of making ceramic articles
US3025964A (en) * 1958-09-29 1962-03-20 Mine Safety Appliances Co Zigzag filter element and method of making it
US3020977A (en) * 1959-08-19 1962-02-13 Simpson Herbert Corp Filter device
US3037637A (en) * 1960-04-26 1962-06-05 Mine Safety Appliances Co Spiral roll filter unit
US3070937A (en) * 1960-05-05 1963-01-01 Mine Safety Appliances Co Mist removing device
US3112262A (en) 1960-07-12 1963-11-26 New York Business Dev Corp Filter unit and filter cartridge therefor
US3076554A (en) 1960-08-03 1963-02-05 Mine Safety Appliances Co Filter coil
US3247813A (en) * 1963-07-05 1966-04-26 Cambridge Filter Corp Method and apparatus for making air filters
US3323963A (en) 1964-01-08 1967-06-06 Mine Safety Appliances Co Method of making filter coil
US3346121A (en) 1965-08-13 1967-10-10 Corning Glass Works Filter and method for its production
US3401803A (en) * 1965-12-06 1968-09-17 Mine Safety Appliances Co Filter formed from corrugated and flat sheets
US3372533A (en) 1966-07-11 1968-03-12 Farr Co Self-supporting high density filter
GB1213219A (en) 1968-06-19 1970-11-25 Mine Safety Appliances Co Filter formed from corrugated and flat sheets
US3640396A (en) 1970-04-03 1972-02-08 Fram Corp Filter
FR2148726A5 (en) 1971-07-30 1973-03-23 Herfilco Cylindrical filter element - with spaced,coaxial spirals of filter material,esp for air cleaners
US3859068A (en) 1972-05-09 1975-01-07 Tenneco Inc Pleated air filter
US4065341A (en) 1972-11-21 1977-12-27 Robert Bosch Gmbh Method of making a liquid filter
US4039457A (en) 1973-02-02 1977-08-02 Robert Bosch G.M.B.H. Coiled filter element for filtering of liquids
US4181513A (en) 1974-11-05 1980-01-01 Toyobo Co., Ltd. Carbon adsorptive filter material with layers of reinforcing non woven fabrics needle punched
SE409948B (sv) 1976-03-16 1979-09-17 Nederman Bill P Ph Filteranordning for avskiljning av fasta partiklar ur gaser, speciellt svetsgaser
US4158449A (en) * 1976-12-07 1979-06-19 Pall Corporation Inlet air cleaner assembly for turbine engines
US4162906A (en) * 1977-05-05 1979-07-31 Donaldson Company, Inc. Side outlet tube
US4159899A (en) * 1977-08-26 1979-07-03 Fram Corporation Precleaner assembly
JPS56133005A (en) 1980-03-19 1981-10-17 Nippon Soken Inc Filter element for liquid
JPS57113822A (en) * 1980-12-30 1982-07-15 Nippon Soken Inc Fine particle collecting filter
US4430223A (en) 1981-02-25 1984-02-07 Nippondenso Co., Ltd. Filter element for filtering fluid and method of producing same
JPS57156015A (en) * 1981-03-22 1982-09-27 Nippon Soken Inc Radial flow type collecting filter for fine particle
DE3274955D1 (en) * 1981-06-23 1987-02-12 Nippon Denso Co Filter means
US4460388A (en) * 1981-07-17 1984-07-17 Nippon Soken, Inc. Total heat exchanger
US4410427A (en) * 1981-11-02 1983-10-18 Donaldson Company, Inc. Fluid filtering device
AU540009B2 (en) * 1982-02-16 1984-10-25 Matsushita Electric Industrial Co., Ltd. Exhaust gas filter
US4512891A (en) 1982-11-16 1985-04-23 Donaldson Company, Inc. Pleated filter element with controlled expansibility and frame therefor
US4537608A (en) * 1983-11-16 1985-08-27 Pall Corporation System for removing contaminant particles from a gas
JPS60112320A (ja) 1983-11-24 1985-06-18 Hitachi Ltd トライステ−トゲ−トの保護方式
JPS60161713A (ja) * 1984-01-30 1985-08-23 Nichias Corp フイルタ−およびその製造法
JPS60193216A (ja) 1984-03-15 1985-10-01 三菱電機株式会社 教示装置
DE3501182C2 (de) * 1985-01-16 1987-03-19 Daimler-Benz Ag, 7000 Stuttgart Abgasfilter für Dieselmotoren
DE3542963A1 (de) * 1985-12-05 1987-06-11 Kernforschungsz Karlsruhe Filterpack
JPS6428811A (en) 1987-07-24 1989-01-31 Hitachi Ltd Optical cvd device
JPH0616808B2 (ja) 1987-08-05 1994-03-09 進和テック株式会社 バグ再生式集塵装置
JPH01128811A (ja) 1987-11-16 1989-05-22 P M Kogyo:Kk 成形装置の型交換機構
JPH01171615A (ja) 1987-12-25 1989-07-06 Toyo Roki Seizo Kk フィルタエレメント
JPH01207112A (ja) 1988-02-12 1989-08-21 Toyo Roki Seizo Kk フィルタエレメントの製造方法
JPH0525682Y2 (cg-RX-API-DMAC7.html) * 1988-02-29 1993-06-29
US5015379A (en) 1988-03-16 1991-05-14 Mordeki Drori Coiled filter strip with upstream and downstream butt ends
US5174895A (en) 1988-03-16 1992-12-29 Mordeki Drori Coiled filter strip with upstream and downstream butt ends
US4925561A (en) * 1988-03-31 1990-05-15 Tsuchiya Mfg. Co., Ltd. Composite planar and triangularly pleated filter element
JP2830080B2 (ja) 1988-07-08 1998-12-02 株式会社デンソー ▲ろ▼過エレメントおよびその製造方法
JPH0225009A (ja) 1988-07-14 1990-01-26 Toshiba Corp 箔巻変圧器
JP2696374B2 (ja) * 1988-12-27 1998-01-14 住友化学工業株式会社 表皮材を部分貼着した合成樹脂成形体の製造装置
EP0412930A1 (de) * 1989-08-08 1991-02-13 Alusuisse-Lonza Services Ag Verfahren zur Herstellung eines keramischen Schaumkörpers
EP0412931A1 (de) 1989-08-08 1991-02-13 Alusuisse-Lonza Services Ag Verfahren zur Herstellung eines keramischen Schaumkörpers
US5797832A (en) 1991-02-22 1998-08-25 Visy Paper Pty Ltd Apparatus and method for forming lightweight pallets
JP3000750B2 (ja) 1991-09-20 2000-01-17 株式会社デンソー 自己発熱型フィルタ
JPH05306614A (ja) 1992-04-28 1993-11-19 Matsushita Electric Ind Co Ltd 排気ガスフィルタとその製造方法
JP3239517B2 (ja) 1992-06-17 2001-12-17 株式会社デンソー 濾過エレメントの製造方法
JP2643731B2 (ja) * 1992-07-31 1997-08-20 株式会社デンソー 濾過エレメントの製造装置
DE4234930A1 (de) 1992-10-16 1994-04-21 Schwaebische Huettenwerke Gmbh Filter zum Abscheiden von Verunreinigungen aus Abgasen
JP3331722B2 (ja) 1993-04-05 2002-10-07 株式会社デンソー フィルタ
JP3362453B2 (ja) 1993-05-21 2003-01-07 株式会社デンソー 濾過エレメント
DE4334488C2 (de) * 1993-10-09 1996-06-20 Priesemuth W Verfahren und Vorrichtung zur Reduzierung der Spitzenbelastung elektrischer Energienetze und Energieerzeuger
US5757459A (en) * 1995-03-03 1998-05-26 Vision-Ease Lens, Inc. Multifocal optical elements
USD417268S (en) * 1996-04-26 1999-11-30 Donaldson Company, Inc. Oval filter
US5820646A (en) * 1996-04-26 1998-10-13 Donaldson Company, Inc. Inline filter apparatus
JP4303318B2 (ja) * 1996-04-26 2009-07-29 ドナルドソン カンパニー,インコーポレイティド 縦溝が付けられたフィルター媒体
US5902364A (en) * 1996-04-26 1999-05-11 Donaldson Company, Inc. Conical filter
US6179890B1 (en) * 1999-02-26 2001-01-30 Donaldson Company, Inc. Air cleaner having sealing arrangement between media arrangement and housing
US6190432B1 (en) 1999-02-26 2001-02-20 Donaldson Company, Inc. Filter arrangement; sealing system; and methods
ATE390193T1 (de) 1999-02-26 2008-04-15 Donaldson Co Inc Luftfilter
US6235195B1 (en) * 1999-02-26 2001-05-22 Donaldson Company, Inc. Filter element incorporating a handle member
US6416605B1 (en) * 1999-11-24 2002-07-09 Donaldson Company, Inc. Method for manufacturing fluted media
JP2001310402A (ja) 2000-04-27 2001-11-06 Rengo Co Ltd 段ボールシートの製造方法
US6743317B2 (en) * 2000-12-19 2004-06-01 Robert M. Wydeven Method of sealing, housing and constructing honeycomb filters
US6517598B2 (en) 2001-06-06 2003-02-11 Donaldson Company, Inc. Filter element having flange and methods
US6610126B2 (en) * 2001-06-06 2003-08-26 Donaldson Company, Inc. Filter element having sealing members and methods
AU2003216131B2 (en) * 2002-07-10 2009-04-23 Donaldson Company, Inc. Fluted filter medium and process for its manufacture
US6887343B2 (en) * 2002-12-20 2005-05-03 Fleetguard, Inc. Filter coating, winding, finishing and manufacturing system
DE602004027472D1 (de) * 2003-03-18 2010-07-15 Donaldson Co Inc Verbessertes verfahren zum wickeln von z-filtermedien
EP1729621B1 (en) * 2004-03-24 2013-03-20 Donaldson Company, Inc. Air filter cartridge and making method
US7318851B2 (en) * 2004-11-02 2008-01-15 Baldwin Filters, Inc. Filter element
US20060091084A1 (en) 2004-11-02 2006-05-04 Baldwin Filters, Inc. Fluted filter media with intermediate flow restriction and method of making same
US7909954B2 (en) * 2004-11-03 2011-03-22 Baldwin Filters, Inc. Method and apparatus for winding a filter media pack
US7569090B2 (en) 2004-11-12 2009-08-04 Donaldson Company, Inc. Method of forming filter arrangements; and, apparatus
US7753982B2 (en) * 2006-02-17 2010-07-13 Baldwin Filters, Inc. Filter with drained jacket, seal indicator/lock means, and seal baffle
US7625419B2 (en) * 2006-05-10 2009-12-01 Donaldson Company, Inc. Air filter arrangement; assembly; and, methods
EP2514506B1 (en) * 2007-02-02 2019-08-14 Donaldson Company, Inc. Air filtration media pack and methods
EP2170488B1 (en) 2007-06-26 2014-05-14 Donaldson Company, Inc. Filtration media pack, filter elements, and methods
US7959703B2 (en) * 2008-06-30 2011-06-14 Baldwin Filters, Inc. Fluted filter with integrated frame
US8192623B2 (en) * 2009-04-01 2012-06-05 Wix Filtration Corp Llc Filter structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11612845B2 (en) 2007-02-02 2023-03-28 Donaldson Company, Inc. Air filtration media pack, filter element, air filtration media, and methods
US11298645B2 (en) 2007-06-26 2022-04-12 Donaldson Company, Inc. Filtration media pack, filter element, and methods
US12017177B2 (en) 2007-06-26 2024-06-25 Donaldson Company, Inc. Filtration media pack, filter element, and methods
CN101932372A (zh) * 2008-02-04 2010-12-29 唐纳森公司 用于形成槽纹过滤介质的方法和装置
CN101932372B (zh) * 2008-02-04 2015-09-16 唐纳森公司 用于形成槽纹过滤介质的方法和装置
US12048888B2 (en) 2008-07-25 2024-07-30 Donaldson Company, Inc. Pleated filtration media, media packs, filter elements, and methods for filtering fluids

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US20030121845A1 (en) 2003-07-03
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JP4303318B2 (ja) 2009-07-29
JP4648433B2 (ja) 2011-03-09
WO1997040918A1 (en) 1997-11-06
JP2008302360A (ja) 2008-12-18
US8268053B2 (en) 2012-09-18
CN1079275C (zh) 2002-02-20
ZA973639B (en) 1998-10-26
DE69722933D1 (de) 2003-07-24
HK1020265A1 (en) 2000-04-07
AU2926697A (en) 1997-11-19
US20120312167A1 (en) 2012-12-13
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US7329326B2 (en) 2008-02-12
US20080216654A1 (en) 2008-09-11
ATE243062T1 (de) 2003-07-15
JP2000509324A (ja) 2000-07-25
CN1220617A (zh) 1999-06-23
PL329557A1 (en) 1999-03-29
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BR9709744A (pt) 1999-08-10
AU722679B2 (en) 2000-08-10

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