WO2008125157A1 - Filter element having a removable cover - Google Patents

Filter element having a removable cover Download PDF

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Publication number
WO2008125157A1
WO2008125157A1 PCT/EP2008/000673 EP2008000673W WO2008125157A1 WO 2008125157 A1 WO2008125157 A1 WO 2008125157A1 EP 2008000673 W EP2008000673 W EP 2008000673W WO 2008125157 A1 WO2008125157 A1 WO 2008125157A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
filter element
filter medium
connecting plate
element according
Prior art date
Application number
PCT/EP2008/000673
Other languages
German (de)
French (fr)
Inventor
Uwe Häfner
Dieter Linse
Original Assignee
Carl Freudenberg Kg
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 Carl Freudenberg Kg filed Critical Carl Freudenberg Kg
Publication of WO2008125157A1 publication Critical patent/WO2008125157A1/en

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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
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0004—Details of removable closures, lids, caps or filter heads
    • 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
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B01D46/0006—Filter elements or cartridges installed in a drawer-like manner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/02—Non-permanent measures for connecting different parts of the filter
    • B01D2265/028—Snap, latch or clip connecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/04—Permanent measures for connecting different parts of the filter, e.g. welding, glueing or moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2271/02—Gaskets, sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H2001/00621—Fastening lids on air-conditioning housings

Definitions

  • the invention relates to a filter element, comprising a folded filter medium and a cover connected to the filter medium, wherein the cover has a connection plate for connecting the cover with the filter medium and wherein the lid is associated with at least one sealing element.
  • the invention further relates to an arrangement comprising a housing and a lid.
  • Filter elements of the type mentioned are already known from the prior art.
  • a filter element is known, which is insertable into a housing which can be closed by a lid.
  • the filter medium is assigned a sealing element, so that the filter element can be introduced together with the sealing element as a preassembled unit in the opening of a housing.
  • the invention is therefore an object of the invention to provide an arrangement consisting of a filter element, a housing and a lid, which shows a trouble-free mounting a useable tightness.
  • the aforementioned filter element is characterized in that the connecting plate and the sealing element are integrally formed.
  • the lid could be formed as a two-component injection molded part, wherein the connecting plate of a first material and the sealing element consists of a second material.
  • the lid can be made particularly cost effective and quickly.
  • the material from which the sealing element is made is elastic and flexible.
  • the material from which the connection plate is made could be made of a harder and more rigid material.
  • injection moldable plastics can be used.
  • the design of the lid as a two-component injection molded part further ensures a tight connection between the connecting plate and sealing element, since no gaps and scratches can occur.
  • the sealing element and the connecting plate form a unit.
  • the connecting plate could be assigned locking means for releasable connection with the filter medium.
  • the arrangement of latching means allows a fixation of the filter element on the lid, so that the filter element can be safely inserted by gripping the lid in a housing.
  • the latching means could be formed as latching lugs, which are removably received in a receptacle on the filter medium.
  • the detents could be formed as Ausstülbitch or hooks that engage in complementary to these recordings formed.
  • connection plate could be connected by a screw connection with the filter medium.
  • a screw connection ensures a reliable and firm connection of the connection plate with the filter medium.
  • the connecting plate can be brought into engagement with the filter medium by a rotational movement.
  • connection plate could be connected by a sliding connection with the filter medium. Specifically, it is conceivable that by a tongue and groove connection, the connecting plate is fixed with the filter medium. Tongue and groove connections ensure a tilt-free installation of the filter medium on the lid.
  • connection plate could be fixed to a frame element which at least partially surrounds the filter medium.
  • This specific embodiment ensures that the attachment of the lid on the filter medium does not affect the filter effect of the filter medium.
  • a deformation of the filter medium, for example a nonwoven fabric, is almost impossible by the provision of a rigid frame member. Against this background, it is concretely conceivable that the filter medium is glued into a plastic frame member.
  • the frame member could be formed as an injection molded part. As a result, a cost-effective production of the frame element is possible.
  • the filter medium could be designed as a bellows made of nonwoven fabric.
  • Nonwovens are characterized by a high porosity and reliable filter effect.
  • the nonwoven fabric comprises microfibers and / or nanofibers in order to filter even the finest particles.
  • the nonwoven fabric could further be incorporated with activated carbon particles and / or activated carbon fibers. This specific embodiment allows the absorption of unpleasant odors, so that the filter element can be used as a cabin filter in the automotive field.
  • the filter element is used in air conditioning or ventilation systems.
  • An assembly could include a housing and a filter element of the type described herein, the filter element being received within the housing, the housing having an opening closed by the cover, and the sealing element sealing the interior of the housing by sealing rests on the edge of the housing.
  • Such an arrangement could be used advantageously in air conditioning or ventilation systems, as a reliable sealing of the interior of the housing is possible against the atmosphere. In that regard, pollutants can be reliably filtered out of the atmosphere and an interior clean air supplied.
  • Fig. 1 is a schematic view of an arrangement in which a
  • Filter element with lid is included, and
  • Fig. 2 is a schematic view of a lid associated with the locking means.
  • FIG. 1 shows a filter element comprising a filter medium 1 and a cover 2 connected to the filter medium 1, wherein the cover 2 has a connection plate 3 for connecting the cover 2 to the filter medium 1 and at least one sealing element 4 is assigned to the cover 2.
  • the connecting plate 3 and the sealing element 4 are integrally formed.
  • the sealing element 4 is arranged in the edge region of the lid 2 and surrounds the connecting plate 3 circumferentially.
  • the cover 2 is designed as a two-component injection molded part, wherein the connecting plate 3 consists of a first material and the sealing element 4 consists of a second material.
  • the lid 2 is designed as a plate-shaped element.
  • the interior of the plate-shaped element is designed as a connecting plate 3, which is surrounded by a strip-shaped sealing element 4 circumferentially.
  • the sealing element 4 and the connecting plate 3 form the entire plate-shaped element, namely the lid 2, from.
  • Fig. 1 it is shown in dashed lines that the cover 2 can be brought by a sliding movement with the filter medium 1 in engagement.
  • the lid 2 locking means 5, which serve the releasable connection of the lid 2 with the filter medium 1.
  • the locking means 5 are attached to the connecting plate 3.
  • the connection plate 3 is at a
  • the filter medium 1 is designed as a bellows made of nonwoven fabric.
  • the bellows is rectangular, namely designed as a flat filter.
  • the rectangular bellows is surrounded by frame members 6.
  • the filter medium 1, namely the bellows, is glued to the frame elements 6.
  • Fig. 1 shows in particular an arrangement comprising a housing 7 and a filter element, wherein the filter element is received in the interior of the housing 7.
  • the housing 7 has an opening 8 which can be closed by the cover 2.
  • the sealing element 4 seals the interior of the housing by being applied to the edge of the housing 7.
  • the cover 2 shows the cover 2 according to FIG. 1.
  • the cover 2 has a sealing element 4, which is formed integrally with the connecting plate 3.
  • the lid 2 is formed as a two-component injection molded part.
  • the connecting plate 3 consists of a first material and the sealing element 4 of a second material.
  • the sealing element 4 consists of an at least partially elastic or flexible material which can fulfill sealing requirements.
  • the connecting plate 3 is made of a material which is relatively rigid.
  • the connecting plate 3 are associated locking means 5, which can be inserted for releasable connection to the filter medium 1 in receptacles 9.
  • the receptacles 9 are arranged on the frame element 6, which surrounds the filter medium 1.
  • the locking means 5 are part of a clip connection consisting of the locking means 5 and the recordings 9 exists.
  • the lid 2 and the filter medium 1 via tongue and groove joints, rotary joints or sliding connections can be brought into engagement with each other.

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

Abstract

The invention relates to a filter element, comprising a folded filter medium (1) and a cover (2) connected to the filter medium (1), the cover (2) having a connecting plate (3) for connecting the cover (2) to the filter medium (1), and at least one sealing element (4) being associated with the cover, disclosing an arrangement with regard to the aim that exhibits operational leak tightness after problem-free installation, characterized in that the connecting plate (3) and the sealing element (4) are configured as one piece. Further, an arrangement is disclosed comprising a housing (7) and a filter element.

Description

Filterelement mit einem lösbaren Deckel Filter element with a detachable lid
Beschreibungdescription
Technisches GebietTechnical area
Die Erfindung betrifft ein Filterelement, umfassend ein gefaltetes Filtermedium und einen mit dem Filtermedium verbundenen Deckel, wobei der Deckel eine Verbindungsplatte zur Verbindung des Deckels mit dem Filtermedium aufweist und wobei dem Deckel zumindest ein Dichtelement zugeordnet ist. Die Erfindung betrifft des Weiteren eine Anordnung umfassend ein Gehäuse und einen Deckel.The invention relates to a filter element, comprising a folded filter medium and a cover connected to the filter medium, wherein the cover has a connection plate for connecting the cover with the filter medium and wherein the lid is associated with at least one sealing element. The invention further relates to an arrangement comprising a housing and a lid.
Stand der TechnikState of the art
Filterelemente der genannten Art sind aus dem Stand der Technik bereits bekannt. Beispielsweise ist aus der EP 1 304 244 B1 ein Filterelement bekannt, welches in ein Gehäuse einführbar ist, das durch einen Deckel verschlossen werden kann. Häufig wird dem Filtermedium ein Dichtelement zugeordnet, so dass das Filterelement zusammen mit dem Dichtelement als vormontierbare Einheit in die Öffnung eines Gehäuses eingeführt werden kann.Filter elements of the type mentioned are already known from the prior art. For example, from EP 1 304 244 B1 a filter element is known, which is insertable into a housing which can be closed by a lid. Frequently, the filter medium is assigned a sealing element, so that the filter element can be introduced together with the sealing element as a preassembled unit in the opening of a housing.
Bei dieser Ausgestaltung ist nachteilig, dass die montierende Person beim Verschließen des Gehäuses darauf achten muss, dass das Dichtelement in korrekter Dichtposition zwischen Deckel und Gehäuse zur Anlage kommt.In this embodiment, it is disadvantageous that the person to be assembled must take care when closing the housing that the sealing element comes to rest in the correct sealing position between the cover and the housing.
Eine solche Montage ist zeitaufwendig und störanfällig.Such an assembly is time consuming and prone to failure.
Darstellung der ErfindungPresentation of the invention
Der Erfindung liegt daher die Aufgabe zugrunde, eine Anordnung bestehend aus einem Filterelement, einem Gehäuse und einem Deckel zu schaffen, welche nach problemloser Montage eine gebrauchstaugliche Dichtheit zeigt.The invention is therefore an object of the invention to provide an arrangement consisting of a filter element, a housing and a lid, which shows a trouble-free mounting a useable tightness.
Erfindungsgemäß wird die voranstehende Aufgabe durch ein Filterelement mit den Merkmalen des Patentanspruchs 1 gelöst.According to the invention the above object is achieved by a filter element having the features of claim 1.
Danach ist das eingangs genannte Filterelement dadurch gekennzeichnet, dass die Verbindungsplatte und das Dichtelement einstückig ausgebildet sind.Thereafter, the aforementioned filter element is characterized in that the connecting plate and the sealing element are integrally formed.
Erfindungsgemäß ist erkannt worden, dass die einstückige Ausbildung einer Verbindungsplatte mit dem Dichtelement eine korrekte Positionierung des Dichtelements zwischen dem Rand eines Gehäuses und einem Deckel sicherstellt. Ein Verrutschen oder Verkanten des Dichtelements ist durch die erfindungsgemäße Ausgestaltung nahezu ausgeschlossen. Die montierende Person kann das erfindungsgemäße Filterelement ohne aufwändiges Positionieren des Dichtelements in ein Gehäuse einschieben und dort fixieren. Folglich ist die eingangs genannte Aufgabe gelöst.According to the invention it has been recognized that the integral formation of a connecting plate with the sealing element ensures correct positioning of the sealing element between the edge of a housing and a lid. A slipping or tilting of the sealing element is almost impossible by the inventive design. The person assembling the filter element according to the invention without consuming Insert the positioning of the sealing element into a housing and fix it there. Consequently, the object mentioned above is achieved.
Der Deckel könnte als Zwei-Komponenten-Spritzgussteil ausgebildet sein, wobei die Verbindungsplatte aus einem ersten Material und das Dichtelement aus einem zweiten Material besteht. Durch diese konkrete Ausgestaltung kann der Deckel besonders kostengünstig und rasch gefertigt werden. Vor diesem Hintergrund ist denkbar, dass das Material, aus dem das Dichtelement gefertigt ist, elastisch und flexibel ist. Das Material, aus dem die Verbindungsplatte gefertigt ist, könnte hingegen aus einem härteren und biegesteiferen Material befertigt sein. Als Materialien können alle denkbaren spritzgießfähigen Kunststoffe verwendet werden. Die Ausgestaltung des Deckels als Zwei- Komponenten-Spritzgussteil stellt des Weiteren eine dichte Verbindung zwischen Verbindungsplatte und Dichtelement sicher, da keine Spalten und Ritzen auftreten können. Das Dichtelement und die Verbindungsplatte bilden eine Einheit.The lid could be formed as a two-component injection molded part, wherein the connecting plate of a first material and the sealing element consists of a second material. By this specific embodiment, the lid can be made particularly cost effective and quickly. Against this background, it is conceivable that the material from which the sealing element is made, is elastic and flexible. The material from which the connection plate is made, however, could be made of a harder and more rigid material. As materials all conceivable injection moldable plastics can be used. The design of the lid as a two-component injection molded part further ensures a tight connection between the connecting plate and sealing element, since no gaps and scratches can occur. The sealing element and the connecting plate form a unit.
Der Verbindungsplatte könnten Rastmittel zur lösbaren Verbindung mit dem Filtermedium zugeordnet sein. Die Anordnung von Rastmittel erlaubt eine Fixierung des Filterelements am Deckel, so dass das Filterelement durch Ergreifen des Deckels in ein Gehäuse sicher eingeführt werden kann.The connecting plate could be assigned locking means for releasable connection with the filter medium. The arrangement of latching means allows a fixation of the filter element on the lid, so that the filter element can be safely inserted by gripping the lid in a housing.
Die Rastmittel könnten als Rastnasen ausgebildet sein, die in einer Aufnahme am Filtermedium lösbar aufgenommen werden. Die Rastnasen könnten als Ausstülbungen oder Haken ausgebildet sein, die in komplementär zu diesen ausgebildeten Aufnahmen einrasten.The latching means could be formed as latching lugs, which are removably received in a receptacle on the filter medium. The detents could be formed as Ausstülbungen or hooks that engage in complementary to these recordings formed.
Vor diesem Hintergrund ist denkbar, dass die Rastmittel Teil einer Clipsverbindung sind. Verbindungen dieses Typs sind zuverlässig und kostengünstig herstellbar. Die Verbindungsplatte könnte durch eine Schraubverbindung mit dem Filtermedium verbunden sein. Eine Schraubverbindung stellt eine zuverlässige und feste Verbindung der Verbindungsplatte mit dem Filtermedium sicher. Vor diesem Hintergrund ist denkbar, dass die Verbindungsplatte durch eine Drehbewegung mit dem Filtermedium in Eingriff gebracht werden kann.Against this background, it is conceivable that the locking means are part of a clip connection. Compounds of this type are reliable and inexpensive to produce. The connection plate could be connected by a screw connection with the filter medium. A screw connection ensures a reliable and firm connection of the connection plate with the filter medium. Against this background, it is conceivable that the connecting plate can be brought into engagement with the filter medium by a rotational movement.
Die Verbindungsplatte könnte durch eine Schiebeverbindung mit dem Filtermedium verbunden sein. Konkret ist denkbar, dass durch eine Nut-Feder- Verbindung die Verbindungsplatte mit dem Filtermedium fixiert wird. Nut-Feder- Verbindungen stellen eine verkippungsfreie Anlage des Filtermediums am Deckel sicher.The connection plate could be connected by a sliding connection with the filter medium. Specifically, it is conceivable that by a tongue and groove connection, the connecting plate is fixed with the filter medium. Tongue and groove connections ensure a tilt-free installation of the filter medium on the lid.
Die Verbindungsplatte könnte an einem Rahmenelement festgelegt sein, welches das Filtermedium zumindest teilweise umgibt. Durch diese konkrete Ausgestaltung ist sichergestellt, dass die Befestigung des Deckels am Filtermedium die Filterwirkung des Filtermediums nicht beeinträchtigt. Eine Deformierung des Filtermediums, beispielsweise eines Vliesstoffes, ist durch die Vorkehrung eines biegesteifen Rahmenelements nahezu ausgeschlossen. Vor diesem Hintergrund ist konkret denkbar, dass das Filtermedium in ein Rahmenelement aus Kunststoff eingeklebt ist.The connection plate could be fixed to a frame element which at least partially surrounds the filter medium. This specific embodiment ensures that the attachment of the lid on the filter medium does not affect the filter effect of the filter medium. A deformation of the filter medium, for example a nonwoven fabric, is almost impossible by the provision of a rigid frame member. Against this background, it is concretely conceivable that the filter medium is glued into a plastic frame member.
Das Rahmenelement könnte als Spritzgussteil ausgebildet sein. Hierdurch ist eine kostengünstige Fertigung des Rahmenelements möglich.The frame member could be formed as an injection molded part. As a result, a cost-effective production of the frame element is possible.
Das Filtermedium könnte als Faltenbalg aus Vliesstoff ausgestaltet sein. Vliesstoffe zeichnen sich durch eine hohe Porosität und zuverlässige Filterwirkung aus.The filter medium could be designed as a bellows made of nonwoven fabric. Nonwovens are characterized by a high porosity and reliable filter effect.
Vor diesem Hintergrund ist denkbar, dass der Vliesstoff Mikrofasern und/oder Nanofasem umfasst, um auch feinste Partikel zu filtern. Dem Vliesstoff könnten des Weiteren Aktivkohlepartikel und/oder Aktivkohlefasern beigemengt sein. Diese konkrete Ausgestaltung erlaubt die Absorption unangenehmer Gerüche, so dass das Filterelement als Innenraumfilter im Kraftfahrzeugbereich Verwendung finden kann. Vor diesem Hintergrund ist auch denkbar, dass das Filterelement in Klimaanlagen oder Belüftungsanlagen eingesetzt wird.Against this background, it is conceivable that the nonwoven fabric comprises microfibers and / or nanofibers in order to filter even the finest particles. The nonwoven fabric could further be incorporated with activated carbon particles and / or activated carbon fibers. This specific embodiment allows the absorption of unpleasant odors, so that the filter element can be used as a cabin filter in the automotive field. Against this background, it is also conceivable that the filter element is used in air conditioning or ventilation systems.
Eine Anordnung könnte ein Gehäuse und ein Filterelement der hier beschrieben Art umfassen, wobei das Filterelement im Innern des Gehäuses aufgenommen ist, wobei das Gehäuse eine Öffnung aufweist, die durch den Deckel verschlossen ist, und wobei das Dichtelement das Innere des Gehäuses abdichtet, indem es am Rand des Gehäuses anliegt. Eine solche Anordnung könnte vorteilhaft in Klimaanlagen oder Belüftungsanlagen Verwendung finden, da eine zuverlässige Abdichtung des Inneren des Gehäuses gegen die Atmosphäre möglich ist. Insoweit können Schadstoffe aus Atmosphäre zuverlässig herausgefiltert und einem Innenraum reine Luft zugeführt werden.An assembly could include a housing and a filter element of the type described herein, the filter element being received within the housing, the housing having an opening closed by the cover, and the sealing element sealing the interior of the housing by sealing rests on the edge of the housing. Such an arrangement could be used advantageously in air conditioning or ventilation systems, as a reliable sealing of the interior of the housing is possible against the atmosphere. In that regard, pollutants can be reliably filtered out of the atmosphere and an interior clean air supplied.
Es gibt nun verschiedene Möglichkeiten, die Lehre der vorliegenden Erfindung auf vorteilhafte Weise auszugestalten und weiterzubilden. Dazu ist einerseits auf die nachgeordneten Patentansprüche und andererseits auf die nachfolgende Erläuterung eines bevorzugten Ausführungsbeispiels der Erfindung anhand der Zeichnung zu verweisen.There are now various possibilities for embodying and developing the teaching of the present invention in an advantageous manner. For this purpose, on the one hand to refer to the subordinate claims and on the other hand to the following explanation of a preferred embodiment of the invention with reference to the drawings.
In Verbindung mit der Erläuterung des bevorzugten Ausführungsbeispiels der Erfindung anhand der Zeichnung werden auch im Allgemeinen bevorzugte Ausgestaltungen und Weiterbildungen der Lehre erläutert. Kurzbeschreibung der ZeichnungIn conjunction with the explanation of the preferred embodiment of the invention with reference to the drawing, generally preferred embodiments and developments of the teaching are explained. Brief description of the drawing
In der Zeichnung zeigen:In the drawing show:
Fig. 1 eine schematische Ansicht einer Anordnung, in der einFig. 1 is a schematic view of an arrangement in which a
Filterelement mit Deckel aufgenommen ist, undFilter element with lid is included, and
Fig. 2 eine schematische Ansicht eines Deckels, dem Rastmittel zugeordnet sind.Fig. 2 is a schematic view of a lid associated with the locking means.
Ausführung der ErfindungEmbodiment of the invention
Fig. 1 zeigt ein Filterelement umfassend ein Filtermedium 1 und eine mit dem Filtermedium 1 verbundenen Deckel 2, wobei der Deckel 2 eine Verbindungsplatte 3 zur Verbindung des Deckels 2 mit dem Filtermedium 1 aufweist und wobei dem Deckel 2 zumindest ein Dichtelement 4 zugeordnet ist. Die Verbindungsplatte 3 und das Dichtelement 4 sind einstückig ausgebildet. Das Dichtelement 4 ist im Randbereich des Deckels 2 angeordnet und umgibt die Verbindungsplatte 3 umfänglich.1 shows a filter element comprising a filter medium 1 and a cover 2 connected to the filter medium 1, wherein the cover 2 has a connection plate 3 for connecting the cover 2 to the filter medium 1 and at least one sealing element 4 is assigned to the cover 2. The connecting plate 3 and the sealing element 4 are integrally formed. The sealing element 4 is arranged in the edge region of the lid 2 and surrounds the connecting plate 3 circumferentially.
Der Deckel 2 ist als Zwei-Komponenten-Spritzgussteil ausgebildet, wobei die Verbindungsplatte 3 aus einem ersten Material und das Dichtelement 4 aus einem zweiten Material besteht. Insgesamt ist der Deckel 2 als plattenförmiges Element ausgestaltet. Das Innere des plattenförmigen Elements ist als Verbindungsplatte 3 ausgebildet, die von einem streifenförmigen Dichtelement 4 umfänglich umgeben wird. Dabei bilden das Dichtelement 4 und die Verbindungsplatte 3 das gesamte plattenförmige Element, nämlich den Deckel 2, aus. In Fig. 1 ist in gestrichelten Linien gezeigt, dass der Deckel 2 durch eine Verschiebebewegung mit dem Filtermedium 1 in Eingriff gebracht werden kann. Hierfür weist der Deckel 2 Rastmittel 5 auf, die der lösbaren Verbindung des Deckels 2 mit dem Filtermedium 1 dienen. Die Rastmittel 5 sind an der Verbindungsplatte 3 angebracht. Die Verbindungsplatte 3 ist an einemThe cover 2 is designed as a two-component injection molded part, wherein the connecting plate 3 consists of a first material and the sealing element 4 consists of a second material. Overall, the lid 2 is designed as a plate-shaped element. The interior of the plate-shaped element is designed as a connecting plate 3, which is surrounded by a strip-shaped sealing element 4 circumferentially. In this case, the sealing element 4 and the connecting plate 3 form the entire plate-shaped element, namely the lid 2, from. In Fig. 1 it is shown in dashed lines that the cover 2 can be brought by a sliding movement with the filter medium 1 in engagement. For this purpose, the lid 2 locking means 5, which serve the releasable connection of the lid 2 with the filter medium 1. The locking means 5 are attached to the connecting plate 3. The connection plate 3 is at a
Rahmenelement 6 festgelegt, welches das Filtermedium 1 zumindest teilweise umgibt. Das Rahmenelement 6 ist als Spritzgussteil ausgebildet. Das Filtermedium 1 ist als Faltenbalg aus Vliesstoff ausgestaltet. Der Faltenbalg ist rechteckförmig, nämlich als Flachfilter ausgestaltet. Der rechteckförmige Faltenbalg wird von Rahmenelementen 6 umgeben. Das Filtermedium 1 , nämlich der Faltenbalg, ist mit den Rahmenelementen 6 verklebt.Set frame element 6, which surrounds the filter medium 1 at least partially. The frame member 6 is formed as an injection molded part. The filter medium 1 is designed as a bellows made of nonwoven fabric. The bellows is rectangular, namely designed as a flat filter. The rectangular bellows is surrounded by frame members 6. The filter medium 1, namely the bellows, is glued to the frame elements 6.
Fig. 1 zeigt insbesondere eine Anordnung, umfassend ein Gehäuse 7 und eine Filterelement, wobei das Filterelement im Inneren des Gehäuses 7 aufgenommen ist. Das Gehäuse 7 weist eine Öffnung 8 auf, die durch den Deckel 2 verschließbar ist. Dabei dichtet das Dichtelement 4 das Innere des Gehäuses ab, indem es am Rand des Gehäuses 7 anliegt.Fig. 1 shows in particular an arrangement comprising a housing 7 and a filter element, wherein the filter element is received in the interior of the housing 7. The housing 7 has an opening 8 which can be closed by the cover 2. In this case, the sealing element 4 seals the interior of the housing by being applied to the edge of the housing 7.
Fig. 2 zeigt den Deckel 2 gemäß Fig. 1. Der Deckel 2 weist ein Dichtelement 4 auf, welches mit der Verbindungsplatte 3 einstückig ausgebildet ist. Dabei ist der Deckel 2 als Zwei-Komponenten-Spritzgussteil ausgebildet. Die Verbindungsplatte 3 besteht aus einem ersten Material und das Dichtelement 4 aus einem zweiten Material. Das Dichtelement 4 besteht aus einem zumindest teilweise elastischen oder flexiblen Material, welches Dichtungsanforderungen erfüllen kann. Die Verbindungsplatte 3 besteht aus einem material, welches relativ biegesteif ist. Der Verbindungsplatte 3 sind Rastmittel 5 zugeordnet, die zur lösbaren Verbindung mit dem Filtermedium 1 in Aufnahmen 9 eingefügt werden können. Die Aufnahmen 9 sind am Rahmenelement 6 angeordnet, welches das Filtermedium 1 umgibt. In Fig. 2 ist gezeigt, dass die Rastmittel 5 Teil einer Clipsverbindung sind, die aus dem Rastmittel 5 und den Aufnahmen 9 besteht. Es ist jedoch des Weiteren denkbar, dass der Deckel 2 und das Filtermedium 1 über Nut-Feder-Verbindungen, Dreh-Verbindungen oder Schiebeverbindungen miteinander in Eingriff gebracht werden könne.2 shows the cover 2 according to FIG. 1. The cover 2 has a sealing element 4, which is formed integrally with the connecting plate 3. In this case, the lid 2 is formed as a two-component injection molded part. The connecting plate 3 consists of a first material and the sealing element 4 of a second material. The sealing element 4 consists of an at least partially elastic or flexible material which can fulfill sealing requirements. The connecting plate 3 is made of a material which is relatively rigid. The connecting plate 3 are associated locking means 5, which can be inserted for releasable connection to the filter medium 1 in receptacles 9. The receptacles 9 are arranged on the frame element 6, which surrounds the filter medium 1. In Fig. 2 it is shown that the locking means 5 are part of a clip connection consisting of the locking means 5 and the recordings 9 exists. However, it is also conceivable that the lid 2 and the filter medium 1 via tongue and groove joints, rotary joints or sliding connections can be brought into engagement with each other.
Hinsichtlich weiterer vorteilhafter Ausgestaltungen und Weiterbildungen der erfindungsgemäßen Lehre wird einerseits auf den allgemeinen Teil der Beschreibung und andererseits auf die beigefügten Patentansprüche verwiesen.With regard to further advantageous embodiments and developments of the teaching of the invention reference is made on the one hand to the general part of the description and on the other hand to the appended claims.
Abschließend sei ausdrücklich hervorgehoben, dass das zuvor rein willkürlich ausgewählte Ausführungsbeispiel lediglich zur Erörterung der erfindungsgemäßen Lehre dient, diese jedoch nicht auf dieses Ausführungsbeispiel einschränkt. Finally, it should be expressly emphasized that the previously purely arbitrarily selected embodiment is merely for the purpose of discussing the teaching of the invention, but does not restrict it to this embodiment.

Claims

Patentansprüche claims
1. Filterelement, umfassend ein gefaltetes Filtermedium (1 ) und einen mit dem Filtermedium (1 ) verbundenen Deckel (2), wobei der Deckel (2) eine Verbindungsplatte (3) zur Verbindung des Deckels (2) mit demA filter element comprising a pleated filter medium (1) and a lid (2) connected to the filter medium (1), the lid (2) having a connection plate (3) for connecting the lid (2) to the
Filtermedium (1 ) aufweist und wobei dem Deckel (2) zumindest ein Dichtelement (4) zugeordnet ist, dadurch gekennzeichnet, dass die Verbindungsplatte (3) und das Dichtelement (4) einstückig ausgebildet sind.Filter medium (1) and wherein the lid (2) is assigned at least one sealing element (4), characterized in that the connecting plate (3) and the sealing element (4) are integrally formed.
2. Filterelement nach Anspruch 1 , dadurch gekennzeichnet, dass der Deckel (2) als Zwei-Komponenten-Spritzgussteil ausgebildet ist, wobei die Verbindungsplatte (3) aus einem ersten Material und das Dichtelement (4) aus einem zweiten Material besteht.2. Filter element according to claim 1, characterized in that the cover (2) is designed as a two-component injection molded part, wherein the connecting plate (3) made of a first material and the sealing element (4) consists of a second material.
3. Filterelement nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Verbindungsplatte (3) Rastmittel (5) zur lösbaren Verbindung mit dem Filtermedium (1 ) zugeordnet sind.3. Filter element according to claim 1 or 2, characterized in that the connecting plate (3) latching means (5) are associated for releasable connection to the filter medium (1).
4. Filterelement nach Anspruch 3, dadurch gekennzeichnet, dass die Rastmittel (5) als Rastnasen ausgebildet sind.4. Filter element according to claim 3, characterized in that the latching means (5) are designed as latching lugs.
5. Filterelement nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Rastmittel (5) Teil einer Clipsverbindung sind.5. Filter element according to claim 3 or 4, characterized in that the latching means (5) are part of a clip connection.
6. Filterelement nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Verbindungsplatte (3) durch eine Schraubverbindung mit dem Filtermedium (1 ) verbunden ist. 6. Filter element according to one of claims 1 to 5, characterized in that the connecting plate (3) is connected by a screw connection with the filter medium (1).
7. Filterelement nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Verbindungsplatte (3) durch eine Schiebeverbindung mit dem Filtermedium (1 ) verbunden ist.7. Filter element according to one of claims 1 to 6, characterized in that the connecting plate (3) is connected by a sliding connection with the filter medium (1).
8. Filterelement nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Verbindungsplatte (3) an einem Rahmenelement (6) festgelegt ist, welches das Filtermedium (1 ) zumindest teilweise umgibt.8. Filter element according to one of claims 1 to 7, characterized in that the connecting plate (3) on a frame member (6) is fixed, which surrounds the filter medium (1) at least partially.
9. Filterelement nach Anspruch 8, dadurch gekennzeichnet, dass das Rahmenelement (6) als Spritzgussteil ausgebildet ist.9. Filter element according to claim 8, characterized in that the frame element (6) is designed as an injection molded part.
10. Filterelement nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Filtermedium (1 ) als Faltenbalg aus Vliesstoff ausgestaltet ist.10. Filter element according to one of claims 1 to 9, characterized in that the filter medium (1) is designed as a bellows made of nonwoven fabric.
1 1 . Filterelement nach Anspruch 10, dadurch gekennzeichnet, dass dem Vliesstoff Aktivkohlepartikel und/ oder Aktivkohlefasern beigemengt sind.1 1. Filter element according to claim 10, characterized in that the nonwoven activated carbon particles and / or activated carbon fibers are added.
12. Anordnung, umfassend ein Gehäuse (7) und ein Filterelement nach einem der Ansprüche 1 bis 1 1 , wobei das Filterelement im Inneren des Gehäuses (7) aufgenommen ist, wobei das Gehäuse (7) eine Öffnung (8) aufweist, die durch den Deckel (2) verschlossen ist, und wobei das Dichtelement (4) das Innere des Gehäuses (1 ) abdichtet, indem es am Rand des Gehäuses (7) anliegt. 12. An arrangement comprising a housing (7) and a filter element according to one of claims 1 to 1 1, wherein the filter element is received in the interior of the housing (7), wherein the housing (7) has an opening (8) through the lid (2) is closed, and wherein the sealing element (4) seals the interior of the housing (1) by abutting the edge of the housing (7).
PCT/EP2008/000673 2007-04-16 2008-01-29 Filter element having a removable cover WO2008125157A1 (en)

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DE102007018215.7 2007-04-16

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EP3999211B1 (en) 2020-04-22 2023-09-20 Mercedes-Benz Group AG Filter element for an air filter device in a motor vehicle, and air filter device
DE102021000515B3 (en) 2021-02-02 2022-03-24 Daimler Ag Filter element for an air filter device of a motor vehicle and air filter device
DE102020110941A1 (en) 2020-04-22 2021-10-28 Daimler Ag Filter element for an air filter device of a motor vehicle and air filter device
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