DE2620148A1 - FILTER ELEMENT - Google Patents

FILTER ELEMENT

Info

Publication number
DE2620148A1
DE2620148A1 DE19762620148 DE2620148A DE2620148A1 DE 2620148 A1 DE2620148 A1 DE 2620148A1 DE 19762620148 DE19762620148 DE 19762620148 DE 2620148 A DE2620148 A DE 2620148A DE 2620148 A1 DE2620148 A1 DE 2620148A1
Authority
DE
Germany
Prior art keywords
filter
filter element
foamed plastic
parts
frame
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.)
Withdrawn
Application number
DE19762620148
Other languages
German (de)
Inventor
John Sharples
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.)
Automotive Products PLC
Original Assignee
Automotive Products PLC
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 Automotive Products PLC filed Critical Automotive Products PLC
Publication of DE2620148A1 publication Critical patent/DE2620148A1/en
Withdrawn legal-status Critical Current

Links

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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/60—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for the intake of internal combustion engines or turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Description

2620 H82620 H8

PATENTANWÄLTE
DipL-Phys. JÜRGEN WEISSE · Dipl.-Chem. Dr. RUDOLF WOLGASTPATENT LAWYERS
Diploma Phys. JÜRGEN WEISSE · Dipl.-Chem. Dr. RUDOLF WOLGAST

D 5620 VELBERT 11-LANGENBERG · BÖKENBUSCH 41 ·. Postfach 110386 · Telefon: (02127) 4019 · Telex: 8516895.D 5620 VELBERT 11-LANGENBERG · BÖKENBUSCH 41 ·. Box 110386 Telephone: (02127) 4019 Telex: 8516895.

Pa tentanmeldungPatent application Automotive Products Limited, Leamington Spa, Warwickshire, EnglcindAutomotive Products Limited, Leamington Spa, Warwickshire, Englcind

FilterelementFilter element

Filterelement insbesondere für das Luftfilter einer Verbrennungskraftmaschine, bestehend aus einem gewellten Filter aus Papier oder ähnlichem Material und einem Rahmen, an dem das gewellte Filter in Form einer allgemein ebenen L5ahn gehaltert ist, zur Halterung des Filterelementes in einem Filtergehäuse, in dem das zu filternde Medium durch das Filter hindurchtritt.Filter element especially for the air filter of an internal combustion engine, consisting of a corrugated filter made of paper or similar material and a frame on which the corrugated filter is supported in the form of a generally flat tooth is to hold the filter element in one Filter housing in which the medium to be filtered passes through the filter.

In dem Filterelement der vorbeschriebenen Art muß das Filter in seinem Rahmen so befestigt sein, daß eino wirksame Abdichtung erreicht wird, so daß das gesamte zu filternde f Medium ausschließlich durch das Filter hindurchtritt. Es ist bekannt, eine solche Abdichtung durch Kunstharze zu bewirken, jedoch ist dieses Material im ungehärteten Zustand fließfähig, wodurch sein Gebrauch erschwert wird, in-dem es zunächst an einem Rand aufgebracht wird und erst nach der Härtung an dem nachfolgenden Rand aufgebracht werden kann usw., so daß die Einlage des Filters in den Rahmen dadurch erheblich und unnötig verzögert wird.In the filter element of the type described above, the filter must be mounted in its frame so that eino effective seal is achieved so that all of the passes to be filtered for medium only through the filter. It is known to effect such a seal with synthetic resins, but this material is flowable in the uncured state, which makes it difficult to use, in that it is first applied to one edge and can only be applied to the subsequent edge after hardening, etc. ., so that the insertion of the filter into the frame is delayed considerably and unnecessarily.

Die Aufgabe der vorliegenden Erfindung besteht darin, eine abgedichtete Halterung des Filters in seinem Rahmen zu erreichen, die in einem Arbeitsgang und ohne zeitliche Verzögerungen wirksam ist.The object of the present invention is to achieve a sealed mounting of the filter in its frame, which is effective in one operation and without any time delays.

ORIGINAL INSPECTEDORIGINAL INSPECTED

609849/087A -2-609849 / 087A -2-

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß die Räder des Filters durch vorgerahmte Teile aus geschäumtem Kunststoff gegen den Rahmen abgedichtet sind. Dabei können die Teile aus geschäumten Kunststoff wenigstens an einer Seite mit Klebstoff versehen sein.According to the invention this object is achieved in that the Wheels of the filter through pre-framed parts made of foamed Plastic are sealed against the frame. The parts made of foamed plastic can at least one Adhesive on the side.

Es wird auf diese Weise erreicht, daß in einem Arbeitsgang und praktisch verzögerungsfrei eine dichte Verbindung zwischen den gewellten Filter und dem Rahmen hergestellt wird.It is achieved in this way that a tight connection between the corrugated filter and frame is made.

Bei Filterelementen der vorgenannten Art ist es normalerweise notwendig, eine getrennte Dichtung zwischen dem Rahmen des Filterelementes und dem Filtergehäuse vorzunehmen. Diese zusätzliche Dichtung kann sich in den Filterelementen der herkömmlichen Art verschieben, wodurch die Wirkung des Filters beeinträchtigt wird} aiißerdem erzeugt diese Dichtung zusätzliche Kosten bei einem Produkt; dessen Preis sehr empfindlich durch weitere Kostensteigerungen in der Herstellung beeinflußt wird. In weiterer Ausbildung der Erfindung ist daher vorgesehen, daß die Teile aus geschäumtem Kunststoff einen Vorsprung zur Abdichtung des Filterelementes gegen das Filtergehäuse aufweisen, Dabei können die Ränder des Filters durch vorgeformte Teile aus geschäumtem Kunststoff gegen den Rahmen abgedichtet sein und die Teile aus geschäumtem Kunststoff Vorsprünge 2ui· Abdichtung des Filterelementes gegen das Filtergehäuse aufweisen.In the case of filter elements of the aforementioned type, it is normally necessary to make a separate seal between the frame of the filter element and the filter housing. This additional seal can shift in the filter elements of the conventional type, thereby impairing the effectiveness of the filter. Furthermore, this seal creates additional costs for a product; the price of which is very sensitively influenced by further increases in manufacturing costs. In a further embodiment of the invention it is therefore provided that the parts made of foamed plastic have a projection for sealing the filter element against the filter housing, the edges of the filter can be sealed by preformed parts made of foamed plastic against the frame and the parts made of foamed plastic protrusions 2ui · Have the filter element sealed against the filter housing.

Ein Ausführungsbeispiel der Erfindung ist in den Abbildungen dargestellt und wird nachstehend anhand der Bezugszeichen im einzelnen erläutert und beschrieben. Es zeigenAn embodiment of the invention is shown in the figures and is explained and described in detail below with reference to the reference numerals. Show it

Fig. 1 eine Aufsieht auf ein Filterelement nach der Erfindung;Fig. 1 is a view of a filter element according to the Invention;

Fig. 2 einen Teilschnitt entlang der Linie H-II in Fig. Ij undFig. 2 is a partial section along the line H-II in Fig. Ij and

Fig. 3 einen Teilschnitt entlang der Linie IH-III in Fig. 1.Fig. 3 is a partial section along the line IH-III in Fig. 1.

609849/0874609849/0874

-3--3-

2620U82620U8

Das in den Abbildungen dargestellte Filterelement 1st ein Filterelement für ein Luftfilter, daß zum Filtern der Ansaugluft einer Verbrennungskraftmaschine dient. Dieses Filterelement besteht aus einem rechteckigen Rahmen 11 mit den vier Seiten, 12, 13» l4 und 15· L>er Rahmen ist aus Bandmaterial aus Stahl gebildet, das entlang seines Umfanss durch nach außen gerichtete und damit axis einem Stück gebildete obere und untere Flansche 1.6 verstärkt, wird. Dieser Aufbau des Rahmens 11 ist jedoch unkritisch und es kann auch jeder andere geeignete Aufbau verwendet werden.The filter element shown in the figures is a filter element for an air filter that is used to filter the intake air an internal combustion engine is used. This filter element consists of a rectangular frame 11 with the four sides, 12, 13 »14 and 15 · L> he frame is off Band material formed from steel running along its circumference formed by outwardly directed and thus axis one piece Reinforced upper and lower flanges 1.6. However, this structure of the frame 11 is not critical and it can also any other suitable structure can be used.

An dem Rahmen 11 ist ein gewellter Bogen 17 aus Filtermaterial in Form einer im allgemeinen ebenen Bahn gehaltert. Deis normalerweise für Luftfilter verwendete Material ist imprägniertes Papier, in geeigneten Fällen kann jedoch auch anderes Filtermaterial eingesetzt werden.On the frame 11 is a corrugated sheet 17 made of filter material supported in the form of a generally flat web. Deis The material normally used for air filters is impregnated paper, but other filter materials can be used in appropriate cases can be used.

über die beiden langen Seiten ik und 15 des Rahmens ist das Filtermaterial durch vorgeformte Teile l8 aus geschäumtem Kunststoff gegen den Rahmen abgedichtet. An den beiden größeren Flächen des Teils l8 ist der geschäumte Kunststoff mit einem Klebstoff versehen, so daß die Teile l8 sicher an dem Rahmen und an dem Filtermaterial befestigt sind. Dafür kann jeder gebräuchliche Klebstoff Verwendung finden, z.B. ein lufthärtender Klebstoff oder ein Kontaktkleber. Die Teile l8 aus geschäumtem Kunststoff mit dem gewellten Filter 17 werden dabei unter leichtem Druck mit dem Rahmen 11 verbunden, so daß der Klebstoff zweckmäßig eine gewisse Flexibilität besitzen sollte. Bei hinreichend hohem Druck kann jedoch auch ganz auf den Klebstoff verzichtet werden. Vorzugsweise ist der geschäumte Kunststoff versiegelt, so daß er für die zu filternde Luft undurchlässig ist. Falls die Zellstruktur des Materials jedoch hinreichend fein ist, können die Teile unversiegelt sein, so daß der geschäumte Kunststoff selbst eine Filterfunktion ausübt.Over the two long sides ik and 15 of the frame, the filter material is sealed against the frame by preformed parts 18 made of foamed plastic. The foamed plastic is provided with an adhesive on the two larger surfaces of the part 18 so that the parts 18 are securely attached to the frame and to the filter material. Any common adhesive can be used for this, for example an air-hardening adhesive or a contact adhesive. The parts 18 made of foamed plastic with the corrugated filter 17 are connected to the frame 11 under slight pressure, so that the adhesive should expediently have a certain flexibility. If the pressure is sufficiently high, however, the adhesive can also be dispensed with entirely. The foamed plastic is preferably sealed so that it is impermeable to the air to be filtered. However, if the cell structure of the material is sufficiently fine, the parts can be unsealed so that the foamed plastic itself has a filter function.

An den Enden 12 und 13 kann das Filter 17 in jeder geeigneten Weise an dem Rahmen 11 befestigt werden. In dem Ausführungsbeispiel werden dazu wie an den langen Seiten vorgeformte At the ends 12 and 13, the filter 17 can be of any suitable type Way to be attached to the frame 11. In the exemplary embodiment, for this purpose, the long sides are preformed

609849/0874609849/0874

Teile ΓΙ f\i-<- geschäumtem Kunststoff verwondct, die mit einem U b ρ r^ ν-jj aus pino::i l-lobsl.off versehen pin el,Parts ΓΙ f \ i - <- foamed plastic, which with a U b ρ r ^ ν-jj from pino :: i l-lobsl.off provided pin el,

En t ipred'enc Fi «.. 3 erstrecken si crt die Teile Io und 21 Pi1S £e.schHurtem !;:'ΐΐίΜ'5ίοίΓ üiicr den Rahmen H hinaus. Die so gebildeten Vorppr:;iK.c- 19 und 2? erlauben eine Abdichtung des Filterelemente*. r>r. seinen !'nifanr jvc^en das Filtergehäuse.En t ipred'enc Fi «.. 3 extend the parts Io and 21 Pi 1 S £ e.schHurtem! ; : 'ΐΐίΜ'5ίοίΓ üiicr the frame H out. The thus formed Vorppr:; iK.c- 19 and 2? allow sealing of the filter element *. r> r. his! 'nifanr jvc ^ en the filter housing.

Dap vorstehend beschriebene Filtere]_emen t ist einfach nnd billig herzr s teilen, r.nd die Teile lö a:.!.c geschäumt ein Kunststoff bewirken eine einfache, aber sehr v.ri iicsarae Dichtung zwischen den gewellten Kanten des Filter.·? 17 und dem KahmenThe filters described above are simple and cheap to share, and the parts are easy to use. c foamed a plastic cause a simple but very v. r i iicsarae seal between the corrugated edges of the filter. ·? 17 and the Kahmen

-5--5-

B098A9/0874B098A9 / 0874

Claims (2)

Pa ten tan s/p räch ePat tan s / p räch e . j Filterelement in sboponrlere für cir.s i.'ifti'.iltor cinrr Verbrennungskraftmaschine, bestehend aus einem gewellten Filter aus Papier oder ähnlichem iiaterial und einem Rahmen, an dem das gewellte Filter in Form einer allgemein ebenen Bahn gehaltert ist, zur Halterung des Filterelemente."? in einem Filtergehäuse, in dem das xu i'iltornde 2-iedium durch das Filter hindurchtritt, dadurch gekennzeichnet, daß die gewellten Ränder dos Filters ( 17) durch vorgeformte Teile (l8, 21 ) aus geschäumtem Kunststoff gegen den liahmen ( 1.1 ) abgedichtet sind.. j filter element in sboponrlere for cir.s i.'ifti'.iltor cinrr internal combustion engine, consisting of a corrugated filter made of paper or similar material and a frame on which the corrugated filter is held in the form of a generally flat path to hold the filter element . "? in a filter housing in which the xu i'iltornde 2-iedium passes through the filter, characterized in that the corrugated edges of the filter (17) by pre-formed parts (18, 21) made of foamed plastic against the liahmen (1.1 ) are sealed. 2. Filterelement nach Anspruch 1, dadurch gekennzeichnet, daß die Teile (lMf 21) aus geschäumtem Kunststoff wenigstens an einer Seite mit klebstoff versehen sind.2. Filter element according to claim 1, characterized in that the parts (lM f 21) made of foamed plastic are provided with adhesive on at least one side. 3» Filterelement nach Anspruch 1 oder 2, dadurch gekeimteichnet, daß die Teile (l8, 2l) aus geschäumtem Kunststoff einen Vorsprung (l9> 22) zur Abdichtung des Filterelementos gegen das Filtergehäuse aufweisen.3 »Filter element according to claim 1 or 2, thereby germinated, that the parts (l8, 2l) made of foamed plastic have a projection (l9> 22) to seal the filter element against have the filter housing. k. Filterelement nach einem der Ansprüche 1 bis 3i dadurch gekennzeichnet, daß die Ränder des Filters (17) durch vorgeformte Teile (l8, 21) aus geschäumtem Kunststoff gegen den Rahmen (ll) abgedichtet sind und daß die Teile (l8, 2l) aus geschäumtem Kunststoff Vorsprünge (19» 22) zur Abdichtung des Filterelementes gegen das Filtergehäuse aufweisen. k. Filter element according to one of Claims 1 to 3i, characterized in that the edges of the filter (17) are sealed against the frame (ll) by preformed parts (18, 21) made of foamed plastic and that the parts (18, 21) are made of foamed plastic Have projections (19 »22) for sealing the filter element against the filter housing. LeerseiteBlank page
DE19762620148 1975-05-15 1976-05-07 FILTER ELEMENT Withdrawn DE2620148A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2049475A GB1485072A (en) 1975-05-15 1975-05-15 Filter elements

Publications (1)

Publication Number Publication Date
DE2620148A1 true DE2620148A1 (en) 1976-12-02

Family

ID=10146814

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762620148 Withdrawn DE2620148A1 (en) 1975-05-15 1976-05-07 FILTER ELEMENT

Country Status (2)

Country Link
DE (1) DE2620148A1 (en)
GB (1) GB1485072A (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007757A1 (en) * 1980-02-29 1981-09-24 Drägerwerk AG, 2400 Lübeck METHOD FOR PRODUCING FILTER ELEMENTS FROM FILTER PAPER
DE3036114A1 (en) * 1980-09-25 1982-05-19 Gerrit Jan Kilchberg Veenemans Pocket filter formed of corrugated compound strip - with stiffening wire frame and reinforcing layers
US4725323A (en) * 1985-05-22 1988-02-16 Cuno Incorporated Filter element
US4731184A (en) * 1985-05-22 1988-03-15 Cuno Incorporated Filter element
US5015316A (en) * 1985-05-22 1991-05-14 Cuno, Incorporated Filter element
US5028327A (en) * 1985-05-22 1991-07-02 Cuno, Incorporated Filter element
EP0450299A1 (en) * 1990-04-03 1991-10-09 Knecht Filterwerke Gmbh Filtering element with folded material in ring or flat disposition
WO1994001200A1 (en) * 1992-07-11 1994-01-20 Minnesota Mining And Manufacturing Company Filter device for the filtration of fluids
EP0639474A1 (en) * 1993-08-19 1995-02-22 FILTERWERK MANN &amp; HUMMEL GMBH Air filter for the interior of a motor vehicle
US5399264A (en) * 1993-03-22 1995-03-21 Cuno, Incorporated Compressible differential pressure energized seals for filter elements and the like
DE4430333A1 (en) * 1994-08-29 1996-03-07 Mann & Hummel Filter filter
US5683478A (en) * 1994-08-01 1997-11-04 Anonychuk; Lawrence Occupant air filter for vehicles
US5843198A (en) * 1994-06-20 1998-12-01 Walker; R. Karl Air filter
DE19737700A1 (en) * 1997-08-29 1999-03-04 Mann & Hummel Filter Filter web for use in vehicle air filter
DE19739014A1 (en) * 1997-09-06 1999-03-11 Knecht Filterwerke Gmbh Filter device
USRE37150E1 (en) * 1994-08-01 2001-05-01 3M Innovative Properties Company Occupant air filter for vehicles
DE10231060A1 (en) * 2002-07-10 2004-01-22 Mann + Hummel Gmbh Filter element and method for its production
EP1779916A1 (en) 2005-10-26 2007-05-02 Mann+Hummel Gmbh Extruded seal
EP2463009B1 (en) 2010-12-08 2019-04-03 Mann + Hummel GmbH Filter assembly

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1312831C (en) * 1988-09-22 1993-01-19 Pierre P. Meunier Compression seal canister
US5509950A (en) * 1992-07-11 1996-04-23 Minnesota Mining And Manufacturing Company Filter device for the filtration of gases and/or fluids
DE10245279B3 (en) * 2002-09-27 2004-03-11 Helsa-Werke Helmut Sandler Gmbh & Co. Kg Flexible air filter, for air flows at a motor vehicle interior, is a filter pack of zigzag folds with side frame strips bonded in place by an adhesive to allow bending without distortion
DE102007059052A1 (en) * 2007-12-06 2009-06-10 Mann + Hummel Gmbh Filter element for use as interior filter element of motor vehicle, has sideband arranged in sealed manner and partly covered around edges of cartridge, where sideband is provided on exterior of cartridge with air-impermeable lamination

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007757A1 (en) * 1980-02-29 1981-09-24 Drägerwerk AG, 2400 Lübeck METHOD FOR PRODUCING FILTER ELEMENTS FROM FILTER PAPER
DE3036114A1 (en) * 1980-09-25 1982-05-19 Gerrit Jan Kilchberg Veenemans Pocket filter formed of corrugated compound strip - with stiffening wire frame and reinforcing layers
US4725323A (en) * 1985-05-22 1988-02-16 Cuno Incorporated Filter element
US4731184A (en) * 1985-05-22 1988-03-15 Cuno Incorporated Filter element
US5015316A (en) * 1985-05-22 1991-05-14 Cuno, Incorporated Filter element
US5028327A (en) * 1985-05-22 1991-07-02 Cuno, Incorporated Filter element
EP0450299A1 (en) * 1990-04-03 1991-10-09 Knecht Filterwerke Gmbh Filtering element with folded material in ring or flat disposition
WO1994001200A1 (en) * 1992-07-11 1994-01-20 Minnesota Mining And Manufacturing Company Filter device for the filtration of fluids
US5399264A (en) * 1993-03-22 1995-03-21 Cuno, Incorporated Compressible differential pressure energized seals for filter elements and the like
EP0639474A1 (en) * 1993-08-19 1995-02-22 FILTERWERK MANN &amp; HUMMEL GMBH Air filter for the interior of a motor vehicle
US5554205A (en) * 1993-08-19 1996-09-10 Filterwerk Mann & Hummel Gmbh Air filter for the interior of a motor vehicle
US5843198A (en) * 1994-06-20 1998-12-01 Walker; R. Karl Air filter
USRE37150E1 (en) * 1994-08-01 2001-05-01 3M Innovative Properties Company Occupant air filter for vehicles
US5683478A (en) * 1994-08-01 1997-11-04 Anonychuk; Lawrence Occupant air filter for vehicles
US5620505A (en) * 1994-08-29 1997-04-15 Filterwerk Mann & Hummel Gmbh Filter
DE4430333C2 (en) * 1994-08-29 2000-02-17 Mann & Hummel Filter filter
DE4430333A1 (en) * 1994-08-29 1996-03-07 Mann & Hummel Filter filter
DE19737700A1 (en) * 1997-08-29 1999-03-04 Mann & Hummel Filter Filter web for use in vehicle air filter
DE19739014A1 (en) * 1997-09-06 1999-03-11 Knecht Filterwerke Gmbh Filter device
DE10231060A1 (en) * 2002-07-10 2004-01-22 Mann + Hummel Gmbh Filter element and method for its production
DE10231060B4 (en) 2002-07-10 2018-05-24 Mann + Hummel Gmbh Filter element, method for its manufacture and use of the filter element
EP1779916A1 (en) 2005-10-26 2007-05-02 Mann+Hummel Gmbh Extruded seal
US7837755B2 (en) 2005-10-26 2010-11-23 Mann + Hummel Gmbh Extruded seal
EP2463009B1 (en) 2010-12-08 2019-04-03 Mann + Hummel GmbH Filter assembly

Also Published As

Publication number Publication date
GB1485072A (en) 1977-09-08

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