EP2177725B2 - Filter device - Google Patents

Filter device Download PDF

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Publication number
EP2177725B2
EP2177725B2 EP09173047.3A EP09173047A EP2177725B2 EP 2177725 B2 EP2177725 B2 EP 2177725B2 EP 09173047 A EP09173047 A EP 09173047A EP 2177725 B2 EP2177725 B2 EP 2177725B2
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EP
European Patent Office
Prior art keywords
filter device
filter
fastening flange
internal combustion
combustion engine
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.)
Not-in-force
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EP09173047.3A
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German (de)
French (fr)
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EP2177725B1 (en
EP2177725A1 (en
Inventor
Ralf Kiemlen
Roland Schützle
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Mahle International GmbH
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Mahle International GmbH
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means

Definitions

  • the present invention relates to a filter device for an internal combustion engine of a motor vehicle, according to the preamble of claim 1.
  • the invention also relates to a motor vehicle with an internal combustion engine having such a filter device.
  • Filter devices in particular so-called oil filters, are widely used in modern motor vehicles and serve, for example, for the purification of lubricants. Since such filter devices are usually not exposed to high temperatures, these could be formed at least in part from plastic, which can be cost-effective and at the same time reduced weight filter devices realized.
  • plastic filter devices a problem with such plastic filter devices is their connection, for example to an internal combustion engine of the motor vehicle. The connection must on the one hand reliable, that is fixed and on the other hand, a tight connection between the filter device on the one hand and the internal combustion engine, eg. A cylinder crankcase same, on the other hand.
  • the sometimes only insufficient creep resistance of the plastics has an effect here.
  • the present invention is concerned with the problem of providing an improved or at least another embodiment of a generic filter device, which is characterized in particular by an improved connection to an internal combustion engine.
  • the invention is based on the general idea to sandwich the filter device with a plastic housing and a stiffened, preferably metallic, connecting flange, via which the filter device can be braced against an internal combustion engine.
  • the connection flange thus lies between the internal combustion engine and the filter housing, wherein the connection flange also has a media transfer mechanism communicating with the filter device with corresponding supply / discharge lines or connections.
  • the stiffened Anitatisflansch thus assumes several tasks: First, by the stiffened construction of the same a solid and reliable connection to the engine can be achieved, the preferably metallic design of the Anitatisflanschs allows a strong tension of the same with the engine.
  • connection flange the entire supply / disposal mimic that supplies and discharges the filter device is integrated, whereby an attachment of the filter device according to the invention to the internal combustion engine is made extremely simple.
  • the assembly is carried out initially by connecting the filter housing to the connection flange, including self-drilling screws are used, which are screwed through the Anitatisflansch in the housing of the filter device, and then mounting the filter housing together with the Anitatisflansch on the engine.
  • this can be plugged together with the filter housing in a simple manner to appropriate connections on the engine, that is, in particular on the cylinder crankcase, and must be completely assembled Only about appropriate clamping means, for example.
  • Screws are braced against the engine. Due to the stiffened connection flange, which is preferably made of metal, creep can be almost completely excluded, which has often resulted in previous, completely made of plastic filter devices to a maintenance effort or to a Leckarge.
  • the stiffened connection flange is made of die-cast aluminum.
  • Aluminum die casting is a die casting process in which aluminum is pressed in a liquid or doughy state and under high pressure into a preheated steel mold. The pressed aluminum is held during the solidification process under pressure and after solidification by opening the die usually consisting of two halves die, de-shut.
  • alloying elements for example copper, iron or magnesium, are alloyed.
  • Aluminum has the great advantage that it has a high strength with corresponding alloying elements and thus ensures a reliable connection of the filter device to the internal combustion engine.
  • the filter device 1 can be designed, for example, as an oil filter and accordingly serve for the filtration of a lubricant in an internal combustion engine of a motor vehicle.
  • the filter device 1 according to the invention is clamped over the stiffened connection flange 3 according to the invention, so that in the fully assembled state, the connection flange 3 is located between the filter housing 2 and the internal combustion engine.
  • the connection flange 3 has one, with a not shown pure / raw space of the filter device 1 communicating media transfer mimic 4 with corresponding supply / discharge lines or terminals 5.
  • the stiffened Anitatisflansch 3 is made of metal, in particular of light metal, such as. An aluminum die-cast alloy formed.
  • a receptacle 6 is provided for a not-shown ring filter element, wherein the receptacle 6 can be screwed to a conventionally known filter housing cover and thus closed.
  • the connection flange 3 For connection of the filter housing 2 to the connection flange 3, not shown self-tapping or self-tapping screws may be provided, which are screwed through the connection flange 3 into the filter housing 2 of the filter device 1 and fix the filter housing 2 on the connection flange 3.
  • Possible locations for such self-tapping or self-tapping screws according to the Fig. 2 denoted by the reference numeral 7.
  • connection screws or generally clamping means are provided by means provided on the connection flange 3 clamping means 8 guides, which are formed, for example. In the form of through holes, plugged (see. Fig. 3 ).
  • the clamping device guides 8 may be formed, for example, as projecting bushes which engage in mounted filter housing in corresponding housing-side recesses 9 and at the same time with their respective free end 10 a stop for the clamping device to be screwed, for example. The screw.
  • the clamping means guides 8 are positioned such that the clamping means, for example the screws, carried out here permit a reliable and tight clamping of the connecting flange 3 and thus of the filter device 1 against the internal combustion engine.
  • at least one receptacle 6 'for a further functional element, such as, for example, an oil pressure sensor 11, may be integrated in the connecting flange 3.
  • the embodiments of the Anitatisflanschs 3 from stiffened, that is, solid material, offers the possibility of further functional elements, such as.
  • corresponding sealing grooves 12 may be provided on the connecting flange 3, in which corresponding seals, For example, ring seals, can be inserted.
  • corresponding seals For example, ring seals
  • sealing elements for example.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Description

Die vorliegende Erfindung betrifft eine Filtereinrichtung für einen Verbrennungsmotor eines Kraftfahrzeugs, gemäß dem Oberbegriff des Anspruchs 1. Die Erfindung betrifft außerdem ein Kraftfahrzeug mit einem, eine derartige Filtereinrichtung aufweisenden Verbrennungsmotor.The present invention relates to a filter device for an internal combustion engine of a motor vehicle, according to the preamble of claim 1. The invention also relates to a motor vehicle with an internal combustion engine having such a filter device.

Filtereinrichtungen, insbesondere so genannte Ölfilter, sind in modernen Kraftfahrzeugen weit verbreitet und dienen bspw. zur Reinigung von Schmierstoffen. Da derartige Filtereinrichtungen üblicherweise keinen hohen Temperaturen ausgesetzt sind, könnten diese zumindest in Teilen aus Kunststoff ausgebildet werden, wodurch sich kostengünstige und zugleich gewichtsreduzierte Filtereinrichtungen realisieren lassen. Problematisch bei derartigen aus Kunststoff ausgebildeten Filtereinrichtungen ist jedoch deren Anbindung, bspw. an einen Verbrennungsmotor des Kraftfahrzeugs. Die Anbindung muss dabei einerseits zuverlässig, dass heißt fest erfolgen und andererseits eine dichte Verbindung zwischen der Filtereinrichtung einerseits und dem Verbrennungsmotor, bspw. einem Zylinderkurbelgehäuse desselben, andererseits gewährleisten. Hierbei wirkt sich jedoch insbesondere die zum Teil lediglich mangelhafte Kriechbeständigkeit der Kunststoffe aus.Filter devices, in particular so-called oil filters, are widely used in modern motor vehicles and serve, for example, for the purification of lubricants. Since such filter devices are usually not exposed to high temperatures, these could be formed at least in part from plastic, which can be cost-effective and at the same time reduced weight filter devices realized. However, a problem with such plastic filter devices is their connection, for example to an internal combustion engine of the motor vehicle. The connection must on the one hand reliable, that is fixed and on the other hand, a tight connection between the filter device on the one hand and the internal combustion engine, eg. A cylinder crankcase same, on the other hand. However, in particular the sometimes only insufficient creep resistance of the plastics has an effect here.

Die vorliegende Erfindung beschäftigt sich mit dem Problem, eine verbesserte oder zumindest eine andere Ausführungsform einer gattungsgemäßen Filtereinrichtung anzugeben, welche sich insbesondere durch eine verbesserte Anbindung an einem Verbrennungsmotor auszeichnet.The present invention is concerned with the problem of providing an improved or at least another embodiment of a generic filter device, which is characterized in particular by an improved connection to an internal combustion engine.

Dieses Problem wird erfindungsgemäß durch die Gegenstände der unabhängigen Ansprüche gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.This problem is solved according to the invention by the subject matters of the independent claims. Advantageous embodiments are the subject of the dependent claims.

Die Erfindung beruht auf dem allgemeinen Gedanken, die Filtereinrichtung sandwichartig aufzubauen und zwar mit einem Gehäuse aus Kunststoff und einem ausgesteiften, vorzugsweise metallischen, Anbindungsflansch, über welchen die Filtereinrichtung gegen einen Verbrennungsmotor verspannbar ist. Der Anbindungsflansch liegt bei montierter Filtereinrichtung somit zwischen dem Verbrennungsmotor und dem Filtergehäuse, wobei der Anbindungsflansch zudem eine mit der Filtereinrichtung kommunizierende Medienübergabemimik mit entsprechenden Ver- / Entsorgungsleitungen bzw. Anschlüssen aufweist. Der ausgesteifte Anbindungsflansch übernimmt somit mehrere Aufgaben: Zum einen kann durch die ausgesteifte Bauweise desselben eine feste und zuverlässige Anbindung an den Verbrennungsmotor erreicht werden, wobei die vorzugsweise metallische Ausbildung des Anbindungsflanschs eine starke Verspannung desselben mit dem Verbrennungsmotor erlaubt. Zum anderen ist in dem erfindungsgemäßen Anbindungsflansch die gesamte, die Filtereinrichtung be- und entliefernde Versorgungs- / Entsorgungsmimik integriert, wodurch sich ein Anbau der erfindungsgemäßen Filtereinrichtung am Verbrennungsmotor äußerst einfach gestaltet. Die Montage erfolgt dabei zunächst durch ein Verbinden des Filtergehäuses mit dem Anbindungsflansch, wozu selbst bohrende Schrauben verwendet werden, die durch den Anbindungsflansch in das Gehäuse der Filtereinrichtung einschraubbar sind, und anschließend ein Montieren des Filtergehäuses zusammen mit dem Anbindungsflansch am Verbrennungsmotor. Durch die bereits am Anbindungsflansch vorbereiteten Anschlüsse, kann dieser zusammen mit dem Filtergehäuse in einfacher Weise auf entsprechende Anschlüsse am Verbrennungsmotor, dass heißt insbesondere am Zylinderkurbelgehäuse, aufgesteckt werden und muss zur vollständigen Montage lediglich über entsprechende Spannmittel, bspw. Schrauben, gegen den Verbrennungsmotor verspannt werden. Durch den ausgesteiften Anbindungsflansch, welcher vorzugsweise aus Metall ausgebildet ist, kann ein Kriechen nahezu vollständig ausgeschlossen werden, was bei bisherigen, vollständig aus Kunststoff ausgebildeten Filtereinrichtungen oftmals zu einem Wartungsaufwand bzw. zu einer Leckarge geführt hat.The invention is based on the general idea to sandwich the filter device with a plastic housing and a stiffened, preferably metallic, connecting flange, via which the filter device can be braced against an internal combustion engine. When the filter device is mounted, the connection flange thus lies between the internal combustion engine and the filter housing, wherein the connection flange also has a media transfer mechanism communicating with the filter device with corresponding supply / discharge lines or connections. The stiffened Anbindungsflansch thus assumes several tasks: First, by the stiffened construction of the same a solid and reliable connection to the engine can be achieved, the preferably metallic design of the Anbindungsflanschs allows a strong tension of the same with the engine. On the other hand, in the connection flange according to the invention, the entire supply / disposal mimic that supplies and discharges the filter device is integrated, whereby an attachment of the filter device according to the invention to the internal combustion engine is made extremely simple. The assembly is carried out initially by connecting the filter housing to the connection flange, including self-drilling screws are used, which are screwed through the Anbindungsflansch in the housing of the filter device, and then mounting the filter housing together with the Anbindungsflansch on the engine. By already prepared on the connection flange connections, this can be plugged together with the filter housing in a simple manner to appropriate connections on the engine, that is, in particular on the cylinder crankcase, and must be completely assembled Only about appropriate clamping means, for example. Screws are braced against the engine. Due to the stiffened connection flange, which is preferably made of metal, creep can be almost completely excluded, which has often resulted in previous, completely made of plastic filter devices to a maintenance effort or to a Leckarge.

Bei einer vorteilhaften Weiterbildung der erfindungsgemäßen Lösung, ist der ausgesteifte Anbindungsflansch aus Aluminium-Druckguss ausgebildet. Unter Aluminium-Druckguss versteht man ein Druckgussverfahren, bei welchem Aluminium im flüssigen oder teigigen Zustand und unter hohem Druck in eine vorgewärmte Stahlform gepresst wird. Das eingepresste Aluminium wird dabei während des Erstarrungsvorgangs unter Druck gehalten und nach dem Erstarren durch ein Öffnen der üblicherweise aus zwei Hälften bestehenden Druckgussform, entschalt. Um dabei die Festigkeitseigenschaften eines derartig hergestellten Anbindungsflansches erhöhen zu können, werden üblicherweise einige Prozente an Legierungselementen, bspw. Kupfer, Eisen oder Magnesium zulegiert. Aluminium bietet dabei den großen Vorteil, dass es mit entsprechenden Legierungselementen eine hohe Festigkeit aufweist und dadurch eine zuverlässige Anbindung der Filtereinrichtung am Verbrennungsmotor gewährleistet.In an advantageous development of the solution according to the invention, the stiffened connection flange is made of die-cast aluminum. Aluminum die casting is a die casting process in which aluminum is pressed in a liquid or doughy state and under high pressure into a preheated steel mold. The pressed aluminum is held during the solidification process under pressure and after solidification by opening the die usually consisting of two halves die, de-shut. In order to be able to increase the strength properties of a connecting flange produced in this way, usually some percent of alloying elements, for example copper, iron or magnesium, are alloyed. Aluminum has the great advantage that it has a high strength with corresponding alloying elements and thus ensures a reliable connection of the filter device to the internal combustion engine.

Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus den Zeichnungen und aus der zugehörigen Figurenbeschreibung anhand der Zeichnungen.Other important features and advantages of the invention will become apparent from the dependent claims, from the drawings and from the associated figure description with reference to the drawings.

Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those yet to be explained not only in the combination specified in each case, but also in other combinations or alone, without departing from the scope of the present invention.

Bevorzugte Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und wird in der nachfolgenden Beschreibung näher erläutert, wobei sich gleiche Bezugszeichen auf gleiche oder ähnliche oder funktional gleiche Bauteile beziehen.Preferred embodiments of the invention are illustrated in the drawings and will be described in more detail in the following description, wherein like reference numerals refer to the same or similar or functionally identical components.

Dabei zeigen, jeweils schematisch,

Fig. 1
eine Ansicht auf einen Teil einer erfindungsgemäßen Filtereinrichtung,
Fig. 2
eine Darstellung wie in Fig. 1, jedoch aus einer anderen Betrachtungsperspektive und bei nicht vollständig in Anlage befindlichem Anbindungsflansch,
Fig. 3
eine Darstellung wie in Fig. 1, jedoch bei vom Filtergehäuse getrenntem Anbindungsflansch.
Show, in each case schematically,
Fig. 1
a view of a part of a filter device according to the invention,
Fig. 2
a representation like in Fig. 1 but from a different perspective and when the connection flange is not fully in place,
Fig. 3
a representation like in Fig. 1 , but with the connection flange separated from the filter housing.

Entsprechend der Fig. 1, weist eine erfindungsgemäße Filtereinrichtung 1, ein Filtergehäuse 2 sowie einen ausgesteiften Anbindungsflansch 3 auf. Die Filtereinrichtung 1 kann dabei bspw. als Ölfilter ausgebildet sein und demgemäß zur Filtrierung eines Schmierstoffes in einem Verbrennungsmotor eines Kraftfahrzeugs dienen. Verspannt wird die erfindungsgemäße Filtereinrichtung 1 über den erfindungsgemäßen ausgesteiften Anbindungsflansch 3, so dass im vollständig montierten Zustand, der Anbindungsflansch 3 zwischen dem Filtergehäuse 2 und dem Verbrennungsmotor liegt. Wie insbesondere der Fig. 2 dabei zu entnehmen ist, weist der Anbindungsflansch 3 eine, mit einem nicht dargestellten Rein-/Rohraum der Filtereinrichtung 1 kommunizierende Medienübergabemimik 4 mit entsprechenden Ver-/Entsorgungsleitungen bzw. Anschlüssen 5 auf. Der ausgesteifte Anbindungsflansch 3 ist dabei aus Metall, insbesondere aus Leichtmetall, wie bspw. einer Aluminium-Druckgusslegierung ausgebildet.According to the Fig. 1 , Has a filter device 1 according to the invention, a filter housing 2 and a stiffened connection flange 3. The filter device 1 can be designed, for example, as an oil filter and accordingly serve for the filtration of a lubricant in an internal combustion engine of a motor vehicle. The filter device 1 according to the invention is clamped over the stiffened connection flange 3 according to the invention, so that in the fully assembled state, the connection flange 3 is located between the filter housing 2 and the internal combustion engine. How the particular Fig. 2 can be seen, the connection flange 3 has one, with a not shown pure / raw space of the filter device 1 communicating media transfer mimic 4 with corresponding supply / discharge lines or terminals 5. The stiffened Anbindungsflansch 3 is made of metal, in particular of light metal, such as. An aluminum die-cast alloy formed.

In dem Filtergehäuse 2 ist eine Aufnahme 6 für ein nicht gezeigtes Ringfilterelement vorgesehen, wobei die Aufnahme 6 mit einem herkömmlich bekannten Filtergehäusedeckel verschraubt und damit verschlossen werden kann. Zur Anbindung des Filtergehäuses 2 am Anbindungsflansch 3, können nicht gezeigte selbst schneidende bzw. selbst furchende Schrauben vorgesehen sein, welche durch den Anbindungsflansch 3 hindurch in das Filtergehäuse 2 der Filtereinrichtung 1 einschraubbar sind und so das Filtergehäuse 2 am Anbindungsflansch 3 fixieren. Mögliche Orte für derartige selbst schneidende bzw. selbst furchende Schrauben, sind gemäß der Fig. 2 mit dem Bezugszeichen 7 bezeichnet. Die Schraubrichtung der selbst schneidenden bzw. selbst furchenden Schrauben zur Fixierung des Filtergehäuses 2 am Anbindungsflansch 3 ist dabei entgegengesetzt zur Schraubrichtung von Anbindungsschrauben, welche zur Anbindung der Filtereinrichtung 1 am Verbrennungsmotor eingeschraubt werden. Derartige Anbindungsschrauben oder generell Spannmittel, werden durch am Anbindungsflansch 3 vorgesehene Spannmittelführungen 8, welche bspw. in Form von Durchgangsöffnungen ausgebildet sind, gesteckt (vgl. Fig. 3). Die Spannmittelführungen 8 können dabei bspw. als abstehende Buchsen ausgebildet sein, die bei montiertem Filtergehäuse in entsprechende gehäuseseitige Ausnehmungen 9 eingreifen und gleichzeitig mit ihrem jeweils freien Ende 10 einen Anschlag für das einzuschraubende Spannmittel, bspw. die Schraube, bilden.In the filter housing 2, a receptacle 6 is provided for a not-shown ring filter element, wherein the receptacle 6 can be screwed to a conventionally known filter housing cover and thus closed. For connection of the filter housing 2 to the connection flange 3, not shown self-tapping or self-tapping screws may be provided, which are screwed through the connection flange 3 into the filter housing 2 of the filter device 1 and fix the filter housing 2 on the connection flange 3. Possible locations for such self-tapping or self-tapping screws, according to the Fig. 2 denoted by the reference numeral 7. The screwing of the self-tapping or self-tapping screws for fixing the filter housing 2 on the connection flange 3 is opposite to the screw of connecting screws, which are screwed for connection of the filter device 1 on the engine. Such connection screws or generally clamping means, are provided by means provided on the connection flange 3 clamping means 8 guides, which are formed, for example. In the form of through holes, plugged (see. Fig. 3 ). The clamping device guides 8 may be formed, for example, as projecting bushes which engage in mounted filter housing in corresponding housing-side recesses 9 and at the same time with their respective free end 10 a stop for the clamping device to be screwed, for example. The screw.

Generell sind dabei die Spannmittelführungen 8 derart positioniert, dass die hier durchgeführten Spannmittel, bspw. die Schrauben, eine zuverlässige und dichte Verspannung des Anbindungsflansches 3 und damit der Filtereinrichtung 1 gegen den Verbrennungsmotor erlauben. Darüber hinaus kann in den Anbindungsflansch 3 zumindest eine Aufnahme 6' für ein weiteres Funktionselement, wie bspw. einen Öldrucksensor 11, integriert sein. Die Ausbildungen des Anbindungsflanschs 3 aus ausgesteiftem, dass heißt festem Material, bietet dabei die Möglichkeit, weitere Funktionselemente, wie bspw. oben genannten Öldrucksensor 11, fest in den Anbindungsflansch 3 einzuschrauben und damit an diesem zu fixieren.In general, the clamping means guides 8 are positioned such that the clamping means, for example the screws, carried out here permit a reliable and tight clamping of the connecting flange 3 and thus of the filter device 1 against the internal combustion engine. In addition, at least one receptacle 6 'for a further functional element, such as, for example, an oil pressure sensor 11, may be integrated in the connecting flange 3. The embodiments of the Anbindungsflanschs 3 from stiffened, that is, solid material, offers the possibility of further functional elements, such as. The above-mentioned oil pressure sensor 11, screwed into the Anbindungsflansch 3 and thus to fix it.

Um dabei auch eine Medienübergabe, bspw. eine Übergabe von Öl, zwischen dem Anbindungsflansch 3 und dem Verbrennungsmotor einerseits bzw. dem Anbindungsflansch 3 und dem Filtergehäuse 2 andererseits gewährleisten zu können, können am Anbindungsflansch 3 entsprechende Dichtnuten 12 vorgesehen sein, in welche entsprechende Dichtungen, bspw. Ringdichtungen, einlegbar sind. In gleicher Weise können auch am Filtergehäuse 2 der Filtereinrichtung 1 Dichtelemente vorgesehen sein, bspw. in der Art von an Stutzen angeordneten Ringdichtungen, die beim Verbinden des Filtergehäuses 2 mit dem Anbindungsflansch 3 in flanschseitige Öffnungen dicht einsteckbar sind, wobei die dichtende Wirkung zusätzlich durch die in die Verschraubungsstellen 7 eingeschraubten Spannmittel herbeigeführt wird.In order to be able to ensure a transfer of media, for example a transfer of oil, between the connecting flange 3 and the internal combustion engine on the one hand or the connecting flange 3 and the filter housing 2 on the other hand, corresponding sealing grooves 12 may be provided on the connecting flange 3, in which corresponding seals, For example, ring seals, can be inserted. In the same way can be provided on the filter housing 2 of the filter device 1 sealing elements, for example. In the manner of arranged on nozzle ring seals, which are tightly plugged in connecting the filter housing 2 with the Anbindungsflansch 3 in flange side openings, the sealing effect in addition by the in the screwing 7 screwed clamping means is brought about.

Durch den steifen Anbindungsflansch 3 kann somit im Vergleich einer vollständig aus Kunststoff ausgebildeten Filtereinrichtung 1 eine bessere Dichtungsverpressung erzielt werden, wobei ein derartiger Anbindungsflansch 3 zusätzlich die Möglichkeit bildet, weitere Funktionselemente, wie bspw. oben genannten Öldrucksensor 11, einen Öldruckschalter etc., integrativ aufzunehmen. Insbesondere bei der Integration eines Öldruckschalters im Anbindungsflansch 3 ist dabei aufgrund der elektrischen Leitfähigkeit des Anbindungsflansch 3 kein zusätzliches Leitblech für einen Masseschluss zwischen dem Öldruckschalter und einem Minuspol am Zylinderkurbelgehäuse erforderlich, wodurch sich der Montageaufwand und damit die Herstellungs- bzw. Fertigungskosten reduzieren lassen. Zusätzlich lassen sich durch den Wegfall eines Leitbleches für den Masseschluss die Teilevielfalt und verbunden damit auch die Lager- und Logistikkosten senken.As a result of the rigid connecting flange 3, a better sealing compression can be achieved in comparison with a filter device 1 made entirely of plastic, wherein such a connecting flange 3 additionally makes it possible to integrate integrally other functional elements, such as the above-mentioned oil pressure sensor 11, an oil pressure switch, etc. , In particular, in the integration of an oil pressure switch in Anbindungsflansch 3 is due to the electrical conductivity of the Anbindungsflansch 3 no additional baffle for a short to ground between the oil pressure switch and a negative pole on the cylinder crankcase required, which can reduce the assembly costs and thus the manufacturing or manufacturing costs. In addition, the omission of a guide plate for the short to ground can reduce the variety of parts and, associated with it, also the storage and logistics costs.

Claims (5)

  1. A filter device (1) for an internal combustion engine of a motor vehicle, in particular an oil filter, having a filter housing (2) made of plastic, wherein the filter device (1) has a stiffened fastening flange (3) via which the filter device (1) can be braced against the internal combustion engine, such that the fastening flange (3) is situated between the filter housing (2) and the internal combustion engine, and which has a medium transfer structure (4) which communicates with the filter device (1) and has corresponding supply/discharge lines or ports (5), characterized in
    that self-tapping screws are provided which can be screwed through the fastening flange (3) into the filter housing (2) of the filter device (1) and thereby fix the filter housing (2) to the fastening flange (3), and
    that clamping mean guides (8) in the form of through openings are provided on the fastening flange (3), which clamping mean guides are positioned such that the clamping means, in the form of screws, that are guided in this way, permit a reliable and tight bracing of the filter device (1) against the internal combustion engine, and
    the clamping mean guides (8) are formed as projecting bushings which engage in corresponding recesses (9) in the housing when the filter housing (2) is mounted, and, at the same, form with their respective free end (10) a limit stop for the clamping means.
  2. The filter device according to claim 1, characterized in that the stiffened fastening flange (3) made from metal is in particular formed from die-cast aluminum.
  3. The filter device according to any one of claims 1 and 2, characterized in that at least one receptacle (6, 6') for a further functional element, for example an oil pressure sensor (11), is integrated in the fastening flange (3).
  4. The filter device according to any one of claims 1 to 3, characterized in that sealing elements, like ring seals arranged on nozzles, for example, are provided on the filter housing (2) of the filter device (1), which can be sealingly inserted into flange-side openings when connecting the filter housing (2) to the fastening flange (3).
  5. A motor vehicle, comprising an internal combustion engine having a filter device (1) according to any of claims 1 to 4.
EP09173047.3A 2008-10-18 2009-10-14 Filter device Not-in-force EP2177725B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810052259 DE102008052259A1 (en) 2008-10-18 2008-10-18 filtering device

Publications (3)

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EP2177725A1 EP2177725A1 (en) 2010-04-21
EP2177725B1 EP2177725B1 (en) 2014-12-10
EP2177725B2 true EP2177725B2 (en) 2018-07-18

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ID=41404125

Family Applications (1)

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EP09173047.3A Not-in-force EP2177725B2 (en) 2008-10-18 2009-10-14 Filter device

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EP (1) EP2177725B2 (en)
DE (1) DE102008052259A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014112338A1 (en) * 2014-08-28 2016-03-03 Infineon Technologies Austria Ag Semiconductor device and method for manufacturing a semiconductor device
DE102016000338A1 (en) 2016-01-18 2017-07-20 Mann + Hummel Gmbh Connecting flange of a fluid device, fluid device and method for producing a connection flange
DE102016007067A1 (en) 2016-06-09 2017-12-14 Mann + Hummel Gmbh Fluid line connection system and fluid line
DE102016010393A1 (en) 2016-08-30 2018-03-01 Mann + Hummel Gmbh Connection flange of a fluid-carrying device and fluid-carrying device with at least one connection flange
DE102016010392A1 (en) 2016-08-30 2018-03-01 Mann + Hummel Gmbh Connection flange of a fluid-carrying device and fluid-carrying device with at least one connection flange
DE102016010395B4 (en) 2016-08-30 2024-02-15 Mann+Hummel Gmbh Connection flange of a fluid-carrying device and fluid-carrying device with at least one connection flange
DE102016010391A1 (en) * 2016-08-30 2018-03-01 Mann + Hummel Gmbh Connection flange of a fluid-carrying device and fluid-carrying device with at least one connection flange

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DE10012461A1 (en) † 2000-03-15 2001-09-20 Mahle Filtersysteme Gmbh Oil filter for cleaning lubricating oil has annular filter insert separating clean side from input side
DE20108573U1 (en) † 2001-05-21 2002-10-02 Ing. Walter Hengst GmbH & Co. KG, 48147 Münster Liquid filter with a carrier made of a second material
DE10345480A1 (en) † 2002-10-01 2004-04-29 Denso Corp., Kariya Crack protection thread connection structure for synthetic resin housings
DE10303185A1 (en) † 2003-01-27 2004-08-05 Mann + Hummel Gmbh Fluid passage housing sub-assembly has at least one passage section emerging in passage opening on surface of sub-assembly and plug is provided in passage opening and is secured by thread cutting screw
DE10319653A1 (en) † 2003-05-02 2004-12-02 Mahle Filtersysteme Gmbh Oil or fuel filter housing of thermoplastic material for IC engines has connection flange with connection surface and screw abutments, all treated by crosslinked irradiation
EP1038110B1 (en) † 1997-08-26 2005-07-06 Mann + Hummel GmbH Form locking arrangement
EP1629878A1 (en) † 2004-08-24 2006-03-01 Bayerische Motoren Werke Aktiengesellschaft Lubricant filter with heat exchanger for internal combustion engines
EP1647680B1 (en) † 2004-10-14 2007-04-18 ISE Intex GmbH Stiffening element and stiffening system for attaching a plastic reservoir and for stabilising the connection between motor bloc and gear box casing
DE102006061589A1 (en) † 2005-12-28 2007-07-05 Aisan Industry Co., Ltd., Obu System with screw
EP1870570A2 (en) † 2006-06-16 2007-12-26 Mahle International GmbH Device with heat exchanger and filter for liquid

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DE19626867A1 (en) * 1996-07-04 1998-01-29 Daimler Benz Ag Carrier part that can be flanged onto a crankcase of an internal combustion engine for units for lubricating oil supply and treatment
DE20312318U1 (en) * 2003-08-09 2004-12-16 Hengst Gmbh & Co.Kg Liquid filter for an internal combustion engine
DE202004016183U1 (en) * 2004-10-18 2006-03-02 Hengst Gmbh & Co.Kg Heat exchanger for combustion engine with inlet and discharge openings for lubricant oil employs water as cooling agent of combustion engine whereby a mating surface is connected to crankcase of combustion engine
DE202005014632U1 (en) * 2005-09-15 2007-02-01 Hengst Gmbh & Co.Kg Oil/water heat exchanger for internal combustion engine, has channel, which is provided in section in which valve is arranged, where channel is aligned parallel to connection surface at specific angle
DE102006031608A1 (en) * 2006-07-06 2008-01-17 Behr Gmbh & Co. Kg Heat exchanger filter arrangement, in particular for a motor vehicle
DE202006011339U1 (en) * 2006-07-20 2007-11-29 Mann + Hummel Gmbh Liquid heat exchanger unit

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Publication number Priority date Publication date Assignee Title
EP1038110B1 (en) † 1997-08-26 2005-07-06 Mann + Hummel GmbH Form locking arrangement
DE10012461A1 (en) † 2000-03-15 2001-09-20 Mahle Filtersysteme Gmbh Oil filter for cleaning lubricating oil has annular filter insert separating clean side from input side
DE20108573U1 (en) † 2001-05-21 2002-10-02 Ing. Walter Hengst GmbH & Co. KG, 48147 Münster Liquid filter with a carrier made of a second material
DE10345480A1 (en) † 2002-10-01 2004-04-29 Denso Corp., Kariya Crack protection thread connection structure for synthetic resin housings
DE10303185A1 (en) † 2003-01-27 2004-08-05 Mann + Hummel Gmbh Fluid passage housing sub-assembly has at least one passage section emerging in passage opening on surface of sub-assembly and plug is provided in passage opening and is secured by thread cutting screw
DE10319653A1 (en) † 2003-05-02 2004-12-02 Mahle Filtersysteme Gmbh Oil or fuel filter housing of thermoplastic material for IC engines has connection flange with connection surface and screw abutments, all treated by crosslinked irradiation
EP1629878A1 (en) † 2004-08-24 2006-03-01 Bayerische Motoren Werke Aktiengesellschaft Lubricant filter with heat exchanger for internal combustion engines
EP1647680B1 (en) † 2004-10-14 2007-04-18 ISE Intex GmbH Stiffening element and stiffening system for attaching a plastic reservoir and for stabilising the connection between motor bloc and gear box casing
DE102006061589A1 (en) † 2005-12-28 2007-07-05 Aisan Industry Co., Ltd., Obu System with screw
EP1870570A2 (en) † 2006-06-16 2007-12-26 Mahle International GmbH Device with heat exchanger and filter for liquid

Also Published As

Publication number Publication date
DE102008052259A1 (en) 2010-04-22
EP2177725B1 (en) 2014-12-10
EP2177725A1 (en) 2010-04-21

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