EP2336540B1 - Motor vehicle with an air filter housing - Google Patents

Motor vehicle with an air filter housing Download PDF

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Publication number
EP2336540B1
EP2336540B1 EP10015640.5A EP10015640A EP2336540B1 EP 2336540 B1 EP2336540 B1 EP 2336540B1 EP 10015640 A EP10015640 A EP 10015640A EP 2336540 B1 EP2336540 B1 EP 2336540B1
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EP
European Patent Office
Prior art keywords
air filter
filter housing
motor vehicle
housing
support structure
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EP10015640.5A
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German (de)
French (fr)
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EP2336540A3 (en
EP2336540A2 (en
Inventor
Gerd Kalauch
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Audi AG
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Audi AG
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Publication of EP2336540A2 publication Critical patent/EP2336540A2/en
Publication of EP2336540A3 publication Critical patent/EP2336540A3/en
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    • 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
    • F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
    • F02M35/048—Arranging or mounting on or with respect to engines or vehicle bodies
    • 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
    • F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
    • 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
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • F02M35/164—Heavy duty vehicles, e.g. trucks, trains, agricultural or construction machines

Definitions

  • the invention relates to a motor vehicle with an air filter housing and an oil container according to the preamble of patent claim 1 and a motor vehicle with an air filter housing according to the preamble of patent claim 3.
  • the air filter is used to filter intake air for an internal combustion engine of the motor vehicle in order to avoid damage to the internal combustion engine due to sucked in particles or moisture.
  • the air filter housing is usually held on a body component of the motor vehicle by means of at least one separate holding element. Usually a metal frame is used for this, in which the air filter housing is suspended and, if necessary, screwed in. Screw connections between a housing wall of an air filter housing and a body component for fastening the air filter housing are also known.
  • the DE 100 27 438 A1 describes a motor vehicle in which an air filter housing is attached to an intake pipe by means of a support frame. This saves installation space, since the air filter housing no longer has to be attached directly to a body component of the motor vehicle.
  • a hollow body made of plastic is provided therein.
  • the hollow body includes a first sub-area, which has the shape of a fender or wheel housing segment, and a second auxiliary sub-area in which an externally accessible receiving zone is formed, which can be used for an additional function.
  • the air filter arrangement comprises an air filter and an air filter housing, the air filter being arranged in the air filter housing. Furthermore, the air filter arrangement comprises a holding device for arranging and fixing the air filter housing. The holding device is formed in one piece with the air filter housing.
  • the fastening device is designed as a latching or snap connection.
  • the latching or snap connection is designed in such a way that it is supported by the weight of the filter housing and thus a loosening of the latching or snap connection due to the weight of the air filter housing is avoided.
  • the filter housing has a receiving space into which a filter element of the filter can be inserted.
  • the filter housing has a housing cover for opening and closing an opening in the receiving space.
  • the housing cover is arranged in an area of the filter housing between an inflow side and an outflow side of the filter element.
  • the aforementioned metal motor vehicle component is the oil container. This is namely usually made of metal anyway in order to ensure the necessary thermal resistance.
  • the oil reservoir is expediently arranged between the air filter housing and a component of an exhaust system of the motor vehicle, so that it protects the air filter housing from the heat dissipation from the exhaust system.
  • the present invention is therefore based on the object of further developing a motor vehicle according to the preamble of claim 1 and a motor vehicle according to the preamble of claim 3 in such a way that weight is saved and the assembly of an air filter housing and / or an oil container is facilitated.
  • one of at least two motor vehicle components which comprise an air filter housing and an oil container, is held on a body component of the motor vehicle by means of the other motor vehicle components.
  • the oil tank carries the air filter housing or vice versa.
  • motor vehicle component which holds the other motor vehicle component is made of metal. This gives the load-bearing motor vehicle component the necessary rigidity in order to be able to hold the other motor vehicle component reliably. Additional stiffening structures are therefore not necessary in this embodiment of the invention.
  • the aforementioned metal motor vehicle component is the oil container. This is namely usually made of metal anyway in order to ensure the necessary thermal resistance.
  • the oil container is expediently arranged between the air filter housing and a component of an exhaust system of the motor vehicle, so that it protects the air filter housing from heat radiation from the exhaust system.
  • the invention also relates to a motor vehicle with an air filter housing according to the preamble of claim 3.
  • the air filter housing is integral with it the air filter housing is formed and extends over a predominant length range of the air filter housing.
  • the air filter housing is designed to be self-supporting. In this way, separate holding elements can be saved and a particularly compact air filter housing can be created.
  • the air filter housing with the at least one support structure is preferably designed as a one-piece injection-molded component.
  • the one-piece design of the air filter housing and support structure stiffens the air filter housing so that it can withstand higher loads. This enables the attachment of further components to the air filter housing, which are carried by this. These components can be mounted on the air filter housing before the air filter housing is installed in the vehicle. Additional brackets can be omitted, which saves weight. In addition, fewer work steps are necessary both for the assembly of the air filter housing itself and for the assembly of the other components, which is particularly inexpensive in the manufacture of the motor vehicle.
  • At least one support element formed in one piece with the air filter housing is also provided for fastening a further motor vehicle component to the air filter housing.
  • the air filter housing can now be used to hold an oil container or the like, for example. This eliminates the need for separate support elements for fastening the further motor vehicle component. A particularly light motor vehicle is thus made available.
  • the holding elements formed in one piece with the air filter housing also give it a high level of stability, so that it can carry particularly heavy other motor vehicle components without twisting or deforming in a similar manner.
  • the support element is preferably connected directly to the support structure, so that the forces introduced by the weight of the further component held are particularly well absorbed.
  • the at least one support structure is designed as a web which protrudes from a wall of the air filter housing.
  • the web expediently extends over the entire wall and also protrudes beyond this in its direction of extent in order to provide connection areas for fastening the support structure to a body component of the motor vehicle.
  • Such a web also enables particularly good stiffening of the air filter housing.
  • two support structures are provided which are each designed as a web and protrude from mutually opposite walls of the air filter housing. This creates a particularly stable air filter housing unit which at the same time has a very low weight.
  • a motor vehicle designated as a whole by 10 comprises an air filter housing 12 which contains filter cartridges for filtering charge air for an internal combustion engine 14 of motor vehicle 10.
  • the air filter housing 12 is formed by an upper part 16 and a lower part 18. It is arranged in a rear region 20 of the rear-engined motor vehicle 10.
  • Holding webs 24 are arranged on the side walls 22 of the lower part 18 of the air filter housing 12 and are formed in one piece with the lower part 18 of the air filter housing 12.
  • the lower part 18 of the air filter housing 12 is preferably designed as a plastic injection-molded part, so that the retaining webs 24 can also be molded on directly. In the transverse direction of the vehicle, the holding webs 24 protrude with their end regions 26 beyond the air filter housing 12 and are screwed there to longitudinal members 28 of a body of the motor vehicle 10.
  • the air filter housing 12 is thus designed to be self-supporting, so that no additional holding elements are necessary. By dispensing with metallic retaining elements, a particularly light motor vehicle 10 is created.
  • the air filter housing 12 is arranged above a transmission 30 of the motor vehicle 10.
  • the rear axles 32 run from the transmission 30 to the rear wheels 34 of the motor vehicle 10.
  • the axles 32 are also connected to the longitudinal members 28 via spring struts 36.
  • Exhaust pipes 40 emanating from engine 14 run below air filter housing 12 to an exhaust system 42 arranged behind it.
  • the lower part 22 of the air filter housing 12 also has an integrally molded holder 44, with which an oil container 46 is screwed. No separate elements are therefore required to hold the oil container 46, so that it is accommodated in the motor vehicle 10 in a particularly space-saving and weight-saving manner.
  • the air filter housing 12 is sufficiently stiffened by the holding webs 24 in order to be able to carry the weight of the oil container 46.
  • the oil container 46 is held in the immediate vicinity of the gearbox 30 and the motor 14, so that oil lines for supplying lubricant to the gearbox 30 or to the motor 14 can be kept particularly short.
  • an oil container 146 in a motor vehicle 110 can also carry an air filter housing 112.
  • FIG. 3 shown to the embodiments according to Figs. 1 and 2 identical components are denoted by identical reference numerals.
  • the holding webs 124 are here connected on the one hand to the oil tank 146 and on the other hand are fixed with their end regions 126 on the longitudinal members 126.
  • an air filter housing 112 is provided above the oil container 146.
  • this does not have an injection-molded support structure and is only held by the oil container 146.
  • the other components of the motor vehicle correspond to the embodiment explained above.
  • the holding webs 124 can be materially connected to the oil container, for example in the form of a welded sheet metal composite.

Description

Die Erfindung betrifft einen Kraftwagen mit einem Luftfiltergehäuse und einem Ölbehälter nach dem Oberbegriff von Patentanspruch 1 sowie einen Kraftwagen mit einem Luftfiltergehäuse nach dem Oberbegriff von Patentanspruch 3.The invention relates to a motor vehicle with an air filter housing and an oil container according to the preamble of patent claim 1 and a motor vehicle with an air filter housing according to the preamble of patent claim 3.

Kraftwagen mit derartigen Luftfiltergehäusen sind aus dem Fahrzeugbau allgemein bekannt. Der Luftfilter dient dem Filtern von Ansaugluft für eine Brennkraftmaschine des Kraftwagens, um Beschädigungen an der Brennkraftmaschine durch angesaugte Partikel oder Feuchtigkeit zu vermeiden. Üblicherweise ist das Luftfiltergehäuse mittels wenigstens eines separaten Halteelements an einem Karosseriebauteils des Kraftwagens gehalten. Meist wird hierfür ein Metallrahmen verwendet, in welchen das Luftfiltergehäuse eingehängt und gegebenenfalls eingeschraubt ist. Auch eine Schraubverbindungen zwischen einer Gehäusewandung eines Luftfiltergehäuses und einem Karosseriebauteil zur Befestigung des Luftfiltergehäuses sind bekannt.Motor vehicles with such air filter housings are generally known from vehicle construction. The air filter is used to filter intake air for an internal combustion engine of the motor vehicle in order to avoid damage to the internal combustion engine due to sucked in particles or moisture. The air filter housing is usually held on a body component of the motor vehicle by means of at least one separate holding element. Usually a metal frame is used for this, in which the air filter housing is suspended and, if necessary, screwed in. Screw connections between a housing wall of an air filter housing and a body component for fastening the air filter housing are also known.

Die DE 100 27 438 A1 beschreibt einen Kraftwagen, in dem an einem Ansaugrohr mittels eines Trägerrahmens ein Luftfiltergehäuse befestigt ist. Hierdurch wird Bauraum eingespart, da das Luftfiltergehäuse nicht mehr unmittelbar an einem Karosseriebauteil des Kraftwagens befestigt werden muss.The DE 100 27 438 A1 describes a motor vehicle in which an air filter housing is attached to an intake pipe by means of a support frame. This saves installation space, since the air filter housing no longer has to be attached directly to a body component of the motor vehicle.

Sowohl die Befestigung eines Luftfiltergehäuses an der Karosserie als auch die Befestigung an einem Ansaugrohr mittels jeweiliger Halteelemente ist jedoch mit dem Nachteil behaftet, dass die Halteelemente ein relativ hohes Eigengewicht aufweisen. Dies führt nachteiliger Weise zu einem hohen Gewicht des Kraftwagens und damit auch zu einem hohen Kraftstoffverbrauch und hohen damit einhergehenden CO2-Emissionen. Die Montage von Luftfiltergehäusen auf die bekannte Art ist zudem arbeitsaufwändig, was die Herstellungskosten des Kraftwagens erhöht. Auf bekannte Art befestigte Luftfiltergehäuse weisen zudem eine geringe Steifigkeit auf, so dass keine weiteren Teile an sie angebunden werden können.Both the attachment of an air filter housing to the body and the attachment to an intake pipe by means of respective holding elements, however, have the disadvantage that the holding elements have a relatively high dead weight. This disadvantageously leads to a high weight of the motor vehicle and thus also to high fuel consumption and the high CO 2 emissions associated therewith. The assembly of air filter housings in the known way is also labor-intensive, which increases the manufacturing costs of the motor vehicle increased. Air filter housings fastened in a known manner also have a low rigidity, so that no further parts can be connected to them.

Im Bereich des Luftfiltergehäuses sind zudem üblicherweise noch weitere Komponenten, wie beispielsweise Ölbehälter, angeordnet. Bei bekannten Kraftwagen müssen für diese separate Halteelemente vorgesehen werden, was den zur Verfügung stehenden Bauraum einschränkt und das Gewicht des Kraftwagens erhöht.In the area of the air filter housing, further components, such as, for example, oil tanks, are usually also arranged. In known motor vehicles, separate holding elements must be provided for these, which restricts the space available and increases the weight of the motor vehicle.

In der DE 201 00 396 U1 ist ein Karosserieteil für ein Nutzkraftfahrzeug beschrieben. Darin ist ein Hohlkörper aus Kunststoff vorgesehen. Zu dem Hohlkörper gehören ein erster Teilbereich, der die Form eines Kotflügels oder Radhaussegments hat, und ein zweiter Hilfs-Teilbereich, in dem eine von außen zugängliche Aufnahmezone ausgebildet ist, die für eine Zusatzfunktion verwendbar ist.In the DE 201 00 396 U1 describes a body part for a commercial vehicle. A hollow body made of plastic is provided therein. The hollow body includes a first sub-area, which has the shape of a fender or wheel housing segment, and a second auxiliary sub-area in which an externally accessible receiving zone is formed, which can be used for an additional function.

In der US 2007/0289265 A1 ist eine Luftfilteranordnung beschrieben. Die Luftfilteranordnung umfasst einen Luftfilter und ein Luftfiltergehäuse, wobei der Luftfilter in dem Luftfiltergehäuse angeordnet ist. Ferner umfasst die Luftfilteranordnung eine Halteeinrichtung zur Anordnung und Fixierung des Luftfiltergehäuses. Die Halteeinrichtung ist einteilig mit dem Luftfiltergehäuse ausgebildet.In the US 2007/0289265 A1 an air filter assembly is described. The air filter arrangement comprises an air filter and an air filter housing, the air filter being arranged in the air filter housing. Furthermore, the air filter arrangement comprises a holding device for arranging and fixing the air filter housing. The holding device is formed in one piece with the air filter housing.

Aus der EP 0 634 203 A2 geht eine Befestigungsvorrichtung für Luftfiltergehäuse, insbesondere Gehäuse von Luftfiltern, an Kraftfahrzeugen hervor. Die Befestigungsvorrichtung ist als Rast- oder Schnappverbindung ausgebildet. Die Rast- oder Schnappverbindung ist so ausgeführt, dass sie durch das Gewicht des Filtergehäuses unterstützt wird und somit ein Lösen der Rast- oder Schnappverbindung aufgrund des Eigengewichts des Luftfiltergehäuses vermieden wird.From the EP 0 634 203 A2 shows a fastening device for air filter housings, in particular air filter housings, on motor vehicles. The fastening device is designed as a latching or snap connection. The latching or snap connection is designed in such a way that it is supported by the weight of the filter housing and thus a loosening of the latching or snap connection due to the weight of the air filter housing is avoided.

In der EP 1 364 695 A1 ist ein Filter mit einem Filtergehäuse beschrieben. Das Filtergehäuse weist einen Aufnahmeraum auf, in den ein Filterelement des Filters einsetzbar ist. Das Filtergehäuse besitzt einen Gehäusedeckel zum Öffnen und Verschließen einer Öffnung des Aufnahmeraums. Der Gehäusedeckel ist in einem Bereich des Filtergehäuses zwischen einer Anströmseite und Abströmseite des Filterelements angeordnet. genden Kraftwagenkomponente die notwendige Steifigkeit, um die andere Kraftwagenkomponente zuverlässig halten zu können. Zusätzliche Versteifungsstrukturen sind in dieser Ausführungsform der Erfindung daher nicht notwendig.In the EP 1 364 695 A1 describes a filter with a filter housing. The filter housing has a receiving space into which a filter element of the filter can be inserted. The filter housing has a housing cover for opening and closing an opening in the receiving space. The housing cover is arranged in an area of the filter housing between an inflow side and an outflow side of the filter element. Lowing motor vehicle component the necessary rigidity in order to be able to hold the other motor vehicle component reliably. Additional stiffening structures are therefore not necessary in this embodiment of the invention.

Bei der genannten metallenen Kraftwagenkomponente handelt es sich um den Ölbehälter. Dieser wird nämlich üblicherweise ohnehin aus Metall ausgeführt, um die notwendige thermische Beständigkeit zu gewährleisten.
Zweckmässigerweise ist dabei der Ölberhälter zwischen dem Luftfiltergehäuse und einer Komponenten einer Abgasanlage des Kraftwagens angeordnet, so dass er das Luftfiltergehäuse von der Wärmeabstralung der Abgasanlage Schützt.The aforementioned metal motor vehicle component is the oil container. This is namely usually made of metal anyway in order to ensure the necessary thermal resistance.
The oil reservoir is expediently arranged between the air filter housing and a component of an exhaust system of the motor vehicle, so that it protects the air filter housing from the heat dissipation from the exhaust system.

Der vorliegenden Erfindung liegt somit die Aufgabe zu Grunde, einen Kraftwagen nach dem Oberbegriff von Patentanspruch 1 sowie einen Kraftwagen nach dem Oberbegriff von Patentanspruch 3 so weiter zu entwickeln, dass Gewicht eingespart und die Montage eines Luftfiltergehäuses und/oder eines Ölbehälters erleichtert wird.The present invention is therefore based on the object of further developing a motor vehicle according to the preamble of claim 1 and a motor vehicle according to the preamble of claim 3 in such a way that weight is saved and the assembly of an air filter housing and / or an oil container is facilitated.

Diese Aufgabe wird durch einen Kraftwagen mit den Merkmalen des Patentanspruchs 1 sowie durch einen Kraftwagen mit den Merkmalen des Patentanspruchs 3 gelöst.This object is achieved by a motor vehicle with the features of claim 1 and by a motor vehicle with the features of claim 3.

Erfindungsgemäß ist bei einem derartigen Kraftwagen vorgesehen, dass eine von zumindest zwei Kraftwagenkomponenten, welche ein Luftfiltergehäuse und einen Ölbehälter umfassen, mittels der anderen Kraftwagenkomponenten an einem Karosseriebauteil des Kraftwagens gehalten ist. Mit anderen Worten trägt entweder der Ölbehälter das Luftfiltergehäuse oder umgekehrt. Hierdurch können zusätzliche Befestigungselemente zum Halten der gehaltenen Kraftwagenkomponente entfallen, so dass verglichen zum Stand der Technik Gewicht und Bauraum eingespart werden können.According to the invention, it is provided in such a motor vehicle that one of at least two motor vehicle components, which comprise an air filter housing and an oil container, is held on a body component of the motor vehicle by means of the other motor vehicle components. In other words, either the oil tank carries the air filter housing or vice versa. As a result, additional fastening elements for holding the held motor vehicle component can be dispensed with, so that weight and installation space can be saved compared to the prior art.

Erfindungsgemäß ist diejenige Kraftwagenkomponente, welche die andere Kraftwagenkomponente hält, aus Metall ausgebildet. Dies verleiht der tragenden Kraftwagenkomponente die notwendige Steifigkeit, um die andere Kraftwagenkomponente zuverlässig halten zu können. Zusätzliche Versteifungsstrukturen sind in dieser Ausführungsform der Erfindung daher nicht notwendig.According to the invention that motor vehicle component which holds the other motor vehicle component is made of metal. This gives the load-bearing motor vehicle component the necessary rigidity in order to be able to hold the other motor vehicle component reliably. Additional stiffening structures are therefore not necessary in this embodiment of the invention.

Bei der genannten metallenen Kraftwagenkomponente handelt es sich um den Ölbehälter. Dieser wird nämlich üblicherweise ohnehin aus Metall ausgeführt, um die notwendige thermische Beständigkeit zu gewährleisten. Zweckmäßigerweise ist dabei der Ölbehälter zwischen dem Luftfiltergehäuse und einer Komponenten einer Abgasanlage des Kraftwagens angeordnet, so dass er das Luftfiltergehäuse von der Wärmeabstrahlung der Abgasanlage schützt.The aforementioned metal motor vehicle component is the oil container. This is namely usually made of metal anyway in order to ensure the necessary thermal resistance. The oil container is expediently arranged between the air filter housing and a component of an exhaust system of the motor vehicle, so that it protects the air filter housing from heat radiation from the exhaust system.

Die Erfindung betrifft ferner einen Kraftwagen mit einem Luftfiltergehäuse nach dem Oberbegriff von Patentanspruch 3.The invention also relates to a motor vehicle with an air filter housing according to the preamble of claim 3.

Erfindungsgemäß ist bei einem derartigen Kraftwagen vorgesehen, dass wenigstens eine Tragstruktur zum Halten eines Luftfiltergehäuses einstückig mit dem Luftfiltergehäuse ausgebildet ist und sich über einen überwiegenden Längenbereich des Luftfiltergehäuses erstreckt. Mit anderen Worten ist das Luftfiltergehäuse selbsttragend ausgebildet. Hierdurch können separate Halteelemente eingespart werden und ein besonders kompaktes Luftfiltergehäuse geschaffen werden. Vorzugsweise ist das Luftfiltergehäuse mit der wenigstens einen Tragstruktur als einstückiges Spritzgussbauteil ausgebildet.According to the invention, it is provided in such a motor vehicle that at least one support structure for holding an air filter housing is integral with it the air filter housing is formed and extends over a predominant length range of the air filter housing. In other words, the air filter housing is designed to be self-supporting. In this way, separate holding elements can be saved and a particularly compact air filter housing can be created. The air filter housing with the at least one support structure is preferably designed as a one-piece injection-molded component.

Die einstückige Ausführung von Luftfiltergehäuse und Tragstruktur versteift das Luftfiltergehäuse, so dass dieses höheren Belastungen standhalten kann. Dies ermöglicht die Befestigung weiterer Bauteile am Luftfiltergehäuse, welche von diesem getragen werden. Diese Bauteile können vor der Montage des Luftfiltergehäuses im Kraftwagen am Luftfiltergehäuse montiert werden. Zusätzliche Halterungen können entfallen, wodurch Gewicht eingespart wird. Zudem sind sowohl für die Montage des Luftfiltergehäuses selbst als auch für die Montage der weiteren Bauteile weniger Arbeitsschritte notwendig, was besonders preisgünstig bei der Herstellung des Kraftwagens ist.The one-piece design of the air filter housing and support structure stiffens the air filter housing so that it can withstand higher loads. This enables the attachment of further components to the air filter housing, which are carried by this. These components can be mounted on the air filter housing before the air filter housing is installed in the vehicle. Additional brackets can be omitted, which saves weight. In addition, fewer work steps are necessary both for the assembly of the air filter housing itself and for the assembly of the other components, which is particularly inexpensive in the manufacture of the motor vehicle.

Erfindungsgemäß ist ferner wenigstens ein einstückig mit dem Luftfiltergehäuse ausgebildetes Tragelement zum Befestigen eines weiteren Kraftwagenbauteils an dem Luftfiltergehäuse vorgesehen. Hierdurch wird eine zusätzliche Funktion in das Luftfiltergehäuse integriert. Das Luftfiltergehäuse kann nun benutzt werden, um beispielsweise einen Ölbehälter oder dergleichen zu halten. Hierdurch entfallen separate Tragelemente zum Befestigen des weiteren Kraftwagenbauteils. Damit wird ein besonders leichter Kraftwagen zur Verfügung gestellt. Durch die einstückig mit dem Luftfiltergehäuse ausgebildeten Halteelemente erhält dieses zudem eine hohe Stabilität, so dass es besonders schwere weitere Kraftwagenbauteile tragen kann, ohne sich zu verwinden oder auf ähnliche Weise zu verformen. Das Tragelement ist bevorzugt direkt mit der Tragstruktur verbunden, so dass die durch das Gewicht des gehaltenen weiteren Bauteils eingeleiteten Kräfte besonders gut aufgenommen werden.According to the invention, at least one support element formed in one piece with the air filter housing is also provided for fastening a further motor vehicle component to the air filter housing. This means that an additional function is integrated into the air filter housing. The air filter housing can now be used to hold an oil container or the like, for example. This eliminates the need for separate support elements for fastening the further motor vehicle component. A particularly light motor vehicle is thus made available. The holding elements formed in one piece with the air filter housing also give it a high level of stability, so that it can carry particularly heavy other motor vehicle components without twisting or deforming in a similar manner. The support element is preferably connected directly to the support structure, so that the forces introduced by the weight of the further component held are particularly well absorbed.

Die wenigstens eine Tragstruktur ist erfindungsgemäß als Steg ausgebildet, welcher von einer Wandung des Luftfiltergehäuses abragt. Zweckmäßigerweise erstreckt sich der Steg über die gesamte Wandung und ragt auch in seiner Erstreckungsrichtung über diese hinaus, um so Anbindungsbereiche zum Befestigen der Tragstruktur an einem Karosseriebauteil des Kraftwagens bereitzustellen. Ein solcher Steg ermöglicht zudem eine besonders gute Versteifung des Luftfiltergehäuses.According to the invention, the at least one support structure is designed as a web which protrudes from a wall of the air filter housing. The web expediently extends over the entire wall and also protrudes beyond this in its direction of extent in order to provide connection areas for fastening the support structure to a body component of the motor vehicle. Such a web also enables particularly good stiffening of the air filter housing.

Erfindungsgemäß sind zwei Tragstrukturen vorgesehen, welche jeweils als Steg ausgebildet sind und von zueinander entgegengesetzten Wandungen des Luftfiltergehäuses abragen. Hierdurch wird eine besonders stabile Luftfiltergehäuseeinheit geschaffen, welche gleichzeitig ein sehr geringes Eigengewicht aufweist.According to the invention, two support structures are provided which are each designed as a web and protrude from mutually opposite walls of the air filter housing. This creates a particularly stable air filter housing unit which at the same time has a very low weight.

Im Folgenden soll die Erfindung und ihre Ausführungsform anhand der Zeichnungen näher erläutert werden. Hierbei zeigen:

Fig. 1
einen schematischen Querschnitt durch ein Ausführungsbeispiel eines erfindungsgemäßen Kraftwagens auf Höhe eines Luftfiltergehäuses,
Fig. 2
eine Draufsicht auf einen Motorraum eines erfindungsgemäßen Kraftwagens und
Fig. 3
einen schematischen Querschnitt durch ein alternatives Ausführungsbeispiel eines erfindungsgemäßen Kraftwagens auf Höhe eines Luftfiltergehäuses,
In the following, the invention and its embodiment will be explained in more detail with reference to the drawings. Here show:
Fig. 1
a schematic cross section through an embodiment of a motor vehicle according to the invention at the level of an air filter housing,
Fig. 2
a plan view of an engine compartment of a motor vehicle according to the invention and
Fig. 3
a schematic cross section through an alternative embodiment of a motor vehicle according to the invention at the level of an air filter housing,

Ein im Ganzen mit 10 bezeichneter Kraftwagen umfasst ein Luftfiltergehäuse 12, welches Filterpatronen zum Filtern von Ladeluft für eine Brennkraftmaschine 14 des Kraftwagens 10 enthält. Das Luftfiltergehäuse 12 wird von einem Oberteil 16 und einem Unterteil 18 gebildet. Es ist in einem Heckbereich 20 des heckmotorgetriebenen Kraftwagens 10 angeordnet.A motor vehicle designated as a whole by 10 comprises an air filter housing 12 which contains filter cartridges for filtering charge air for an internal combustion engine 14 of motor vehicle 10. The air filter housing 12 is formed by an upper part 16 and a lower part 18. It is arranged in a rear region 20 of the rear-engined motor vehicle 10.

An den Seitenwandungen 22 des Unterteils 18 des Luftfiltergehäuses 12 sind Haltestege 24 angeordnet, die einstückig mit dem Unterteil 18 des Luftfiltergehäuses 12 ausgebildet sind. Das Unterteil 18 des Luftfiltergehäuses 12 ist bevorzugt als Kunststoffspritzgussteil ausgeführt, so dass die Haltestege 24 unmittelbar mit angespritzt werden können. In Fahrzeugquerrichtung ragen die Haltestege 24 mit ihren Endbereichen 26 über das Luftfiltergehäuse 12 hinaus und sind dort mit Längsträgern 28 einer Karosserie des Kraftwagens 10 verschraubt.Holding webs 24 are arranged on the side walls 22 of the lower part 18 of the air filter housing 12 and are formed in one piece with the lower part 18 of the air filter housing 12. The lower part 18 of the air filter housing 12 is preferably designed as a plastic injection-molded part, so that the retaining webs 24 can also be molded on directly. In the transverse direction of the vehicle, the holding webs 24 protrude with their end regions 26 beyond the air filter housing 12 and are screwed there to longitudinal members 28 of a body of the motor vehicle 10.

Das Luftfiltergehäuse 12 ist also selbsttragend ausgebildet, so dass keine zusätzlichen Halteelemente notwendig sind. Durch den Verzicht auf metallische Halteelemente wird ein besonders leichter Kraftwagen 10 geschaffen.The air filter housing 12 is thus designed to be self-supporting, so that no additional holding elements are necessary. By dispensing with metallic retaining elements, a particularly light motor vehicle 10 is created.

In Fahrzeuglängsrichtung gesehen ist das Luftfiltergehäuse 12 oberhalb eines Getriebes 30 des Kraftwagens 10 angeordnet. Vom Getriebe 30 verlaufen die Hinterachsen 32 zu den Hinterrädern 34 des Kraftwagens 10. Die Achsen 32 sind über Federbeine 36 ebenfalls mit den Längsträgern 28 verbunden. Vom Motor 14 ausgehende Abgasleitungen 40 verlaufen unterhalb des Luftfiltergehäuses 12 zu einer hinter dieser angeordneten Abgasanlage 42.Viewed in the longitudinal direction of the vehicle, the air filter housing 12 is arranged above a transmission 30 of the motor vehicle 10. The rear axles 32 run from the transmission 30 to the rear wheels 34 of the motor vehicle 10. The axles 32 are also connected to the longitudinal members 28 via spring struts 36. Exhaust pipes 40 emanating from engine 14 run below air filter housing 12 to an exhaust system 42 arranged behind it.

Das Unterteil 22 des Luftfiltergehäuses 12 weist ferner ebenfalls einstückig angeformte Halter 44 auf, mit welchen ein Ölbehälter 46 verschraubt ist. Zu Halterung des Ölbehälters 46 sind daher keine separaten Elemente notwendig, so dass dieser besonders platzsparend und gewichtssparend im Kraftwagen 10 aufgenommen ist. Durch die Haltestege 24 wird das Luftfiltergehäuse 12 hinreichend versteift, um das Gewicht des Ölbehälters 46 tragen zu können. Gleichzeitig wird der Ölbehälter 46 in unmittelbarer Nähe des Getriebes 30 sowie des Motors 14 gehalten, so dass Ölleitungen zum Zuführen von Schmiermittel zum Getriebe 30 bzw. zum Motor 14 besonders kurz gehalten werden können.The lower part 22 of the air filter housing 12 also has an integrally molded holder 44, with which an oil container 46 is screwed. No separate elements are therefore required to hold the oil container 46, so that it is accommodated in the motor vehicle 10 in a particularly space-saving and weight-saving manner. The air filter housing 12 is sufficiently stiffened by the holding webs 24 in order to be able to carry the weight of the oil container 46. At the same time, the oil container 46 is held in the immediate vicinity of the gearbox 30 and the motor 14, so that oil lines for supplying lubricant to the gearbox 30 or to the motor 14 can be kept particularly short.

Alternativ hierzu kann in einem Kraftwagen 110 auch ein Ölbehälter 146 ein Luftfiltergehäuse 112 tragen. Eine solche Ausführungsform der Erfindung ist in Fig. 3 gezeigt, zu den Ausführungsformen gemäß Fig. 1 und 2 identische Bauteile sind dabei mit identischen Bezugszeichen bezeichnet. Die Haltestege 124 sind hier einerseits mit dem Ölbehälter 146 verbunden und andererseits mit ihren Endbereichen 126 an den Längsträgern 126 festgelegt. Auch in dieser Ausführungsform ist oberhalb des Ölbehälters 146 ein Luftfiltergehäuse 112 vorgesehen. Im Gegensatz zur Ausführungsform gemäß den Fig. 1 und 2 weist dieses jedoch keine angespritzte Tragstruktur auf und wird lediglich vom Ölbehälter 146 gehalten. Die übrigen Komponenten des Kraftwagens entsprechen der oben erläuterten Ausführungsform.As an alternative to this, an oil container 146 in a motor vehicle 110 can also carry an air filter housing 112. Such an embodiment of the invention is shown in Fig. 3 shown to the embodiments according to Figs. 1 and 2 identical components are denoted by identical reference numerals. The holding webs 124 are here connected on the one hand to the oil tank 146 and on the other hand are fixed with their end regions 126 on the longitudinal members 126. In this embodiment too, an air filter housing 112 is provided above the oil container 146. In contrast to the embodiment according to Figs. 1 and 2 however, this does not have an injection-molded support structure and is only held by the oil container 146. The other components of the motor vehicle correspond to the embodiment explained above.

Die Haltestege 124 können stoffschlüssig mit dem Ölbehälter verbunden sein, beispielsweise in Form eines geschweißten Blechverbundes. Auch eine mehrteilige Ausführung mit separaten, beispielsweise mit dem Ölbehälter 146 verschraubten Haltestegen 124 ist denkbar. Da der Ölbehälter 146 aus Metall besteht, ist keine zusätzliche Versteifung notwendig, es kann genügen, die Haltestege 124 lediglich bis zu den seitlichen Wandungen 148 des Ölbehälters 146 zu führen und dort mit diesem zu verbinden.The holding webs 124 can be materially connected to the oil container, for example in the form of a welded sheet metal composite. A multi-part design with separate holding webs 124, for example screwed to the oil tank 146, is also conceivable. Since the oil container 146 is made of metal, no additional stiffening is necessary; it may be sufficient to only guide the retaining webs 124 up to the side walls 148 of the oil container 146 and to connect them there to the latter.

Durch die metallische Ausführung des Ölbehälters 146 und der Haltestege 124 schirmen diese Bauteile gleichzeitig das Luftfiltergehäuse 112 von der Wärmeabstrahlung der Abgasleitungen 140 ab, so das dessen Belastung reduziert und dessen Lebensdauer vergrößert wird. Es ist daher besonders zweckmäßig, die Haltestege 124 zumindest an ihrer Unterseite geschlossen auszubilden, so dass sich eine besonders gute thermische Abschirmung ergibt.Due to the metallic design of the oil container 146 and the retaining webs 124, these components simultaneously shield the air filter housing 112 from the heat radiation of the exhaust gas lines 140, so that its load is reduced and its service life is increased. It is therefore particularly expedient to form the holding webs 124 closed at least on their underside, so that particularly good thermal shielding results.

Insgesamt wird so eine besonders leichte und stabile Halterung des Luftfiltergehäuses 112 und des Ölbehälters 146 geschaffen, die auf Grund der geringen Anzahl verwendeten Bauteile und insbesondere auf Grund des Wegfalls zusätzlicher Halterungen besonders einfach und schnell zu montieren ist.Overall, a particularly light and stable mounting of the air filter housing 112 and the oil container 146 is created, which is particularly easy and quick to assemble due to the small number of components used and in particular due to the elimination of additional mounts.

Claims (5)

  1. Motor vehicle (110) having at least two motor vehicle elements (112, 146), which comprise an airfilter housing (112) and an oil tank (146), wherein one of the motor vehicle elements (112, 146) is held on at least one body component (28) of the motor vehicle (110) by means of the other motor vehicle element (112, 146),
    characterised in that
    the motor vehicle element (112, 146), by means of which the other motor vehicle element (112, 146) is held, is formed from metal, wherein the air filter housing (112) is held on the at least one body component (28) of the motor vehicle (110) by means of the oil tank (146).
  2. Motor vehicle (110) according to claim 1,
    characterised in that
    the oil tank (146) is arranged between the air filter housing (112) and a component (140) of an exhaust system of the motor vehicle (110).
  3. Motor vehicle (10) having an air filter housing (12), which is held on at least one body component (28) of the motor vehicle (10) by means of at least one support structure (24), wherein the support structure (24) extends over a predominant length region of the air filter housing (12), wherein the air filter housing (12) is formed to be self-supporting, wherein the at least one support structure (24) is formed in one piece with the air filter housing (12), wherein the at least one support structure is formed as a web (24), which protrudes from one wall (22) of the air filter housing (12), and wherein at least one support element (44) formed in one piece with the air filter housing (12) is provided for attaching a further motor vehicle element (46) to the air filter housing (12),
    characterised in that
    two support structures (24), which are each formed as webs (24), are provided, wherein the two support structures protrude from opposite walls (22) of the air filter housing (12).
  4. Motor vehicle (10) according to claim 3,
    characterised in that
    the air filter housing (12) is formed as a one-piece injection moulded component with the at least one support structure (24).
  5. Air filter housing unit for a motor vehicle (10), having a base housing (12) and at least one web (24), by means of which the air filter housing unit can be attached in a self-supporting manner to a body component (28) of the motor vehicle (10), wherein the at least one web (24) is formed in one piece with the base housing (12) of the air filter housing unit and protrudes from one wall (22) of the air filter housing (12), and wherein at least one support element (44) formed in one piece with the air filter housing (12) is provided for attaching a further motor vehicle element (46) to the air filter housing (12),
    characterised in that
    two webs (24) are provided, wherein the two webs (24) protrude from opposite walls (22) of the air filter housing (12).
EP10015640.5A 2009-12-16 2010-12-15 Motor vehicle with an air filter housing Active EP2336540B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009058493A DE102009058493A1 (en) 2009-12-16 2009-12-16 Car with an air filter housing

Publications (3)

Publication Number Publication Date
EP2336540A2 EP2336540A2 (en) 2011-06-22
EP2336540A3 EP2336540A3 (en) 2014-05-14
EP2336540B1 true EP2336540B1 (en) 2021-06-02

Family

ID=43618081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10015640.5A Active EP2336540B1 (en) 2009-12-16 2010-12-15 Motor vehicle with an air filter housing

Country Status (2)

Country Link
EP (1) EP2336540B1 (en)
DE (1) DE102009058493A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106215519B (en) * 2016-08-31 2018-06-05 福安市大荣汽配实业有限公司 A kind of circular pipe type air filtering core manufacture device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634203A2 (en) * 1993-07-17 1995-01-18 Knecht Filterwerke Gmbh Attachment construction for filter housing, specially for air filters, fixed to a vehicle
EP1364695A1 (en) * 2002-05-23 2003-11-26 Mann + Hummel GmbH Filter with a housing
US20070289265A1 (en) * 2004-04-30 2007-12-20 Donaldson Company, Inc. Filter Arrangements; Housing; Assemblies; and, Methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4203864C2 (en) * 1992-02-11 1993-12-02 Deere & Co Positioning device for air filters
SE9404574L (en) * 1994-12-30 1996-02-12 Scania Cv Ab Duct device and vehicle
IT1319766B1 (en) * 2000-01-11 2003-11-03 Rototech S R L BODY PART FOR A COMMERCIAL VEHICLE.
DE10027438A1 (en) 2000-06-02 2001-12-20 Man Nutzfahrzeuge Ag Intake pipe with carrier effect
DE102004027434A1 (en) * 2004-06-04 2006-01-05 Daimlerchrysler Ag Commercial vehicle with arranged on the cab air filter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634203A2 (en) * 1993-07-17 1995-01-18 Knecht Filterwerke Gmbh Attachment construction for filter housing, specially for air filters, fixed to a vehicle
EP1364695A1 (en) * 2002-05-23 2003-11-26 Mann + Hummel GmbH Filter with a housing
US20070289265A1 (en) * 2004-04-30 2007-12-20 Donaldson Company, Inc. Filter Arrangements; Housing; Assemblies; and, Methods

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Publication number Publication date
EP2336540A3 (en) 2014-05-14
EP2336540A2 (en) 2011-06-22
DE102009058493A1 (en) 2011-06-22

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