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WO1993002769A1 - Filtre et son procede de fabrication - Google Patents

Filtre et son procede de fabrication Download PDF

Info

Publication number
WO1993002769A1
WO1993002769A1 PCT/EP1992/001657 EP9201657W WO9302769A1 WO 1993002769 A1 WO1993002769 A1 WO 1993002769A1 EP 9201657 W EP9201657 W EP 9201657W WO 9302769 A1 WO9302769 A1 WO 9302769A1
Authority
WO
WIPO (PCT)
Prior art keywords
beads
filter body
fold
filter
aforementioned
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.)
Ceased
Application number
PCT/EP1992/001657
Other languages
German (de)
English (en)
Inventor
Walter Trefz
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.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and Hummel GmbH
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 Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Publication of WO1993002769A1 publication Critical patent/WO1993002769A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/012—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
    • B01D29/07—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
    • 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

Definitions

  • the invention relates to a filter body made of a relatively thin-walled, zigzag folded web of filter material made of filter material with molded beads according to the
  • the invention also relates to a method for producing the filter bodies mentioned above according to the preambles of patent claims 13 and 14.
  • Such a filter body is known from DE-PS 12 48 618.
  • the beads are shaped in such a way that, when installed, there are gaps of the same shape both on the inflow side and on the outflow side.
  • a bead projecting to the upstream side lies with its long side on one to the downstream side
  • the beads pointing outwards form the end; this can be done at this point in particular if the inflowing medium is under pressure or is a liquid to collapse the
  • rectilinear notch sections laterally offset notch sections are generated, which alternate with each other and thus during folding without further intermediate manipulation via the
  • the fold edge length alternately creates sharp fold edges and flat spacing. If one carries out the embossing of the flat spacers distributed undefined over the
  • Filter bodies with cladding for the purpose of distance maintenance, at least in the edge region of the filter body.
  • the object of the invention is to avoid the disadvantages mentioned above, to reduce the number of manufacturing steps and to increase the dust capacity.
  • the aim of the invention is to avoid the individual folds lying against one another over a large area.
  • the object is achieved in that at least one of the beads is designed according to the characterizing features of claim 1.
  • the main claim is a simplified method Manufacture enables that additionally increases the dust capacity and stability of the filter body and avoids perforation of the paper.
  • An advantageous development of the invention is the
  • Filter bodies are characterized in that they are designed according to the characterizing features of claims 13 and 14.
  • Figure 1 is a plan view of an extended filter body
  • Figure 2 is a perspective view of a filter body
  • Figure 3 is a plan view of a pleated filter body
  • Figure 4 is a plan view of a pleated filter body
  • FIG. 5 shows a section through the filter body in FIG. 4;
  • FIG. 6 is a plan view of a filter body with glue
  • FIG. 7 shows a section through the filter body in FIG. 6
  • Figure 8 shows a section through the embossing, which in
  • Figure 9 shows a section through the embossing, which is convex in the fold area.
  • Figure 10 is a plan view of a filter body, which has closed tube cross sections with the help of continuous embossing and additional glue applied.
  • the filter body 1 which is produced with the aid of only one embossing roller, is provided with continuous beads 2 or with additional embossments which are provided between the beads running along the filter body and which are in the form of flattenings 3 (FIGS. 1, 2, 3, 4, 6). .
  • this function is taken over by the spatial embossing, which can take on all the shapes mentioned in the subclaims both in the area of the fold edges and in the further course of the filter path.
  • the flats 3 (oval, round, polygonal, convex or concave) attached in the area of the fold edges prevent the filter body 1 and
  • Torsion resistance and for setting a defined fold spacing is the provision of at least one bead with glue 4 (Fig. 4, 5, 6, 7).
  • glue 4 FIG. 10

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un corps de filtrage et son procédé de fabrication. Les bords de pliage du corps de filtrage sont pourvus de dépressions (3) qui assurent un écartement donné des plis.
PCT/EP1992/001657 1991-08-07 1992-07-21 Filtre et son procede de fabrication Ceased WO1993002769A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4126126A DE4126126C2 (de) 1991-08-07 1991-08-07 Filterherstellverfahren
DEP4126126.7 1991-08-07

Publications (1)

Publication Number Publication Date
WO1993002769A1 true WO1993002769A1 (fr) 1993-02-18

Family

ID=6437855

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1992/001657 Ceased WO1993002769A1 (fr) 1991-08-07 1992-07-21 Filtre et son procede de fabrication

Country Status (5)

Country Link
DE (1) DE4126126C2 (fr)
MX (1) MX9204560A (fr)
PL (1) PL298862A1 (fr)
TR (1) TR26163A (fr)
WO (1) WO1993002769A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6824581B1 (en) * 2001-05-01 2004-11-30 Dana Corporation Pleated filter media with embossed spacers and cross flow
US7425227B1 (en) 2004-06-17 2008-09-16 Wix Filtration Corp Llc Pleated filter element with offset emboss pattern
CN103977647A (zh) * 2013-02-12 2014-08-13 曼·胡默尔有限公司 过滤体
US9084957B2 (en) 2008-07-25 2015-07-21 Donaldson Company, Inc. Pleated filtration media, media packs, filter elements, and methods for filtering fluids
US9433884B2 (en) 2007-06-26 2016-09-06 Donaldson Company, Inc. Filtration media pack, filter element, and methods
US9517430B2 (en) 2007-02-02 2016-12-13 Donaldson Company, Inc. Air filtration media pack, filter element, air filtration media, and methods
US9808752B2 (en) 2008-02-04 2017-11-07 Donaldson Company, Inc. Method and apparatus for forming fluted filtration media
US10058812B2 (en) 2010-01-25 2018-08-28 Donaldson Company, Inc. Pleated filtration media having tapered flutes
US10363513B2 (en) 2009-08-03 2019-07-30 Donaldson Company, Inc. Method and apparatus for forming fluted filtration media having tapered flutes
CN110177610A (zh) * 2016-06-24 2019-08-27 K&N工程公司 复合式空气过滤器及其方法
US12036503B2 (en) 2019-06-07 2024-07-16 Mann+Hummel Gmbh Filter element and filter system

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4345122A1 (de) * 1993-12-30 1995-07-06 Detroit Holding Ltd Verfahren zur Herstellung eines Filtereinsatzes
DE4345129A1 (de) * 1993-12-30 1995-07-06 Detroit Holding Ltd Verfahren zur Herstellung eines Fluidfilters
ES2167414T3 (es) * 1993-12-30 2002-05-16 Jacobi Systemtechnik Gmbh Inserto de filtro y procedimiento para su fabricacion.
DE4345130C1 (de) * 1993-12-30 2000-11-23 Jacobi Systemtechnik Gmbh Hohlzylindrisches Filterelement
DE19711230B4 (de) * 1996-05-03 2011-09-15 BLüCHER GMBH Flächiges Filtermaterial mit adsorptiven Eigenschaften
DE19735993A1 (de) * 1997-08-19 1999-02-25 Mann & Hummel Filter Filterelement, insbesondere zur Flüssigkeitsfilterung
DE19755466A1 (de) * 1997-12-03 1999-06-10 Jacobi Systemtechnik Gmbh Filterelement
FR2794798B1 (fr) * 1999-06-11 2004-10-29 Filtrauto Element filtrant pour moteur a combustion interne
DE10015951C2 (de) * 1999-12-22 2002-09-26 Jacobi Systemtechnik Gmbh Filterelement
DE102014018233A1 (de) * 2013-12-05 2015-06-11 Mann + Hummel Gmbh Filterelement mit Filterbalg
DE102015122746B4 (de) 2015-12-23 2020-10-29 Neenah Gessner Gmbh Filtermaterial und daraus hergestelltes Filterelement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248618B (de) * 1968-03-21 Filterwerk Mann &. Hummel G.m.b.H., 7140 Ludwigsburg Filterkörper aus einem zickzackförmig gefalteten Blatt eines relativ dünnwandigen Filtermaterials
GB1429783A (en) * 1972-03-11 1976-03-24 Gen Motors Ltd Fluid filter units
DE3300293A1 (de) * 1983-01-07 1984-07-12 Ing. Walter Hengst GmbH & Co KG, 4400 Münster Filterkoerper
US4615804A (en) * 1984-08-30 1986-10-07 Donaldson Company, Inc. High density pleat spacing and scoring tool and filter made therewith
DE3390055C2 (de) * 1982-06-18 1986-10-23 Donaldson Co. Inc., Minneapolis, Minn. Verfahren zum Herstellen eines Filterelementes undhiernach hergestelltes Filterelement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248618B (de) * 1968-03-21 Filterwerk Mann &. Hummel G.m.b.H., 7140 Ludwigsburg Filterkörper aus einem zickzackförmig gefalteten Blatt eines relativ dünnwandigen Filtermaterials
GB1429783A (en) * 1972-03-11 1976-03-24 Gen Motors Ltd Fluid filter units
DE3390055C2 (de) * 1982-06-18 1986-10-23 Donaldson Co. Inc., Minneapolis, Minn. Verfahren zum Herstellen eines Filterelementes undhiernach hergestelltes Filterelement
DE3300293A1 (de) * 1983-01-07 1984-07-12 Ing. Walter Hengst GmbH & Co KG, 4400 Münster Filterkoerper
US4615804A (en) * 1984-08-30 1986-10-07 Donaldson Company, Inc. High density pleat spacing and scoring tool and filter made therewith

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6824581B1 (en) * 2001-05-01 2004-11-30 Dana Corporation Pleated filter media with embossed spacers and cross flow
US7425227B1 (en) 2004-06-17 2008-09-16 Wix Filtration Corp Llc Pleated filter element with offset emboss pattern
US11612845B2 (en) 2007-02-02 2023-03-28 Donaldson Company, Inc. Air filtration media pack, filter element, air filtration media, and methods
US9517430B2 (en) 2007-02-02 2016-12-13 Donaldson Company, Inc. Air filtration media pack, filter element, air filtration media, and methods
US10786774B2 (en) 2007-02-02 2020-09-29 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
US9433884B2 (en) 2007-06-26 2016-09-06 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
US10525397B2 (en) 2007-06-26 2020-01-07 Donaldson Company, Inc. Filtration media pack, filter element, and methods
US9808752B2 (en) 2008-02-04 2017-11-07 Donaldson Company, Inc. Method and apparatus for forming fluted filtration media
US9084957B2 (en) 2008-07-25 2015-07-21 Donaldson Company, Inc. Pleated filtration media, media packs, filter elements, and methods for filtering fluids
US9855519B2 (en) 2008-07-25 2018-01-02 Donaldson Company, Inc. Pleated filtration media, media packs, filter elements, and methods for filtering fluids
US10946313B2 (en) 2008-07-25 2021-03-16 Donaldson Company, Inc. Pleated filtration media, media packs, filter elements, and methods for filtering fluids
US12048888B2 (en) 2008-07-25 2024-07-30 Donaldson Company, Inc. Pleated filtration media, media packs, filter elements, and methods for filtering fluids
US10363513B2 (en) 2009-08-03 2019-07-30 Donaldson Company, Inc. Method and apparatus for forming fluted filtration media having tapered flutes
US11413563B2 (en) 2010-01-25 2022-08-16 Donaldson Company, Inc. Pleated filtration media having tapered flutes
US10058812B2 (en) 2010-01-25 2018-08-28 Donaldson Company, Inc. Pleated filtration media having tapered flutes
CN103977647A (zh) * 2013-02-12 2014-08-13 曼·胡默尔有限公司 过滤体
CN110177610A (zh) * 2016-06-24 2019-08-27 K&N工程公司 复合式空气过滤器及其方法
US12036503B2 (en) 2019-06-07 2024-07-16 Mann+Hummel Gmbh Filter element and filter system

Also Published As

Publication number Publication date
TR26163A (tr) 1995-02-15
DE4126126C2 (de) 1998-02-12
MX9204560A (es) 1993-02-01
PL298862A1 (en) 1993-11-02
DE4126126A1 (de) 1993-02-11

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