EP1043493A2 - Intake part for a combustion engine - Google Patents

Intake part for a combustion engine Download PDF

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Publication number
EP1043493A2
EP1043493A2 EP00102902A EP00102902A EP1043493A2 EP 1043493 A2 EP1043493 A2 EP 1043493A2 EP 00102902 A EP00102902 A EP 00102902A EP 00102902 A EP00102902 A EP 00102902A EP 1043493 A2 EP1043493 A2 EP 1043493A2
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EP
European Patent Office
Prior art keywords
walls
element according
intake
combustion engine
internal combustion
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.)
Granted
Application number
EP00102902A
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German (de)
French (fr)
Other versions
EP1043493B1 (en
EP1043493A3 (en
Inventor
Hans-Martin Gerhard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dr Ing HCF Porsche AG
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Dr Ing HCF Porsche AG
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.)
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Publication date
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP1043493A2 publication Critical patent/EP1043493A2/en
Publication of EP1043493A3 publication Critical patent/EP1043493A3/en
Application granted granted Critical
Publication of EP1043493B1 publication Critical patent/EP1043493B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10295—Damping means, e.g. tranquillising chamber to dampen air oscillations
    • 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
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10026—Plenum chambers
    • F02M35/10052—Plenum chambers special shapes or arrangements of plenum chambers; Constructional details
    • 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
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10301—Flexible, resilient, pivotally or movable parts; Membranes
    • 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
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • 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
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1272—Intake silencers ; Sound modulation, transmission or amplification using absorbing, damping, insulating or reflecting materials, e.g. porous foams, fibres, rubbers, fabrics, coatings or membranes
    • 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
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1277—Reinforcement of walls, e.g. with ribs or laminates; Walls having air gaps or additional sound damping layers

Definitions

  • the invention relates to an inlet member for an internal combustion engine according to the Preamble of claim 1.
  • Products with acoustically perceptible sound radiation are then assessed favorably, when their sound effect is pleasant for human hearing. This is especially true for passenger cars that are driven by internal combustion engines, their occupants, namely driver the sound build-up induced by the internal combustion engine attach particular importance.
  • the goodness of the sound structure one Internal combustion engine is quality relevant and by using the knowledge of the technical specialty noise, vibration, roughness - noise, vibration, harshness (NVH) - can be optimized.
  • a known inlet member DE 30 11 294 C2 comprises a housing with a Air intake pipe and a line connected to a suction pipe.
  • the housing has Walls that delimit a chamber through which intake air flows.
  • the object of the invention is to take such precautions on the inlet member, so that the sound structure it induces is beneficial for human hearing.
  • the main advantages achieved with the invention are the fact that the Inlet member through the thin-walled attached to the wall of the housing Radiates defined frequencies, which are based on the theory of harmony in have a certain relationship and a targeted and beneficial one have a psychoacoustic effect on human hearing.
  • the surfaces can be done with reasonable effort Integrate housing. A particularly advantageous function is achieved if the Surfaces are attached to the walls of a container of a suction system. Finally can be targeted with the mass parts attached to the surfaces Frequency radiation can be optimized.
  • An internal combustion engine not shown, includes an inlet member 1, which in the Embodiment is formed by a suction system 2; an air filter also falls under the genus inlet organ.
  • the suction system 2 has an air inlet at 3, which opens into a container 4.
  • a throttle body (not shown) is connected upstream of the air inlet.
  • the container 4 comprises walls 5, 6 which delimit an interior space 7. At the Operation of the internal combustion engine, the interior 7 is flowed through with intake air.
  • Manufactured suction system 2 is for installation in a series internal combustion engine trained, but there is also the possibility of appropriate adaptation to adapt to other types of internal combustion engines.
  • the walls 5, 6 are relatively thin-walled in the manner of a membrane Surfaces 12, 13; 14, 15; 16, 17; 18, 19 provided that are thinner than that remaining area of the walls 5, 6 i.e. outside of these areas, what with Fd (Surface thickness) ⁇ Wd (wall thickness) is expressed.
  • the surface is 12 in Figure 2 shown, being on an inside 20 with a plate-like trained mass part 21 is provided, which only in the area of the surface 12 is provided and is held in position by suitable measures.
  • the surfaces 12, 13; 14, 15; 16, 17; 18, 19 can be circular, square or be rectangular; other configurations are also possible, such as elliptical, polygonal or the like.
  • the areas can be of different sizes, for example, area 18> area 19. The shape, size, and location of these areas can be determined mathematically or iteratively to each other.
  • the surfaces 12, 13; 14, 15; 16, 17, 18, 19 are in the area of the feed lines 8, 9, 10, 12 are provided, which are spaced apart and at 22 with Pipe socket for injection nozzles are provided. At least the surfaces 14, 15 seen in the longitudinal direction C-C of the container 4 on an area dimension Fm, the wider is the cross-sectional dimension Qm of the corresponding supply line e.g. 10th
  • the surface 12 is reduced by a local cross-sectional taper Qv formed, the thickness of which is less than the thickness Wd of the wall 5. Finally, at 23 the transition between Wd and Qv is indicated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The intake includes an air filter for the induction unit. it includes a casing with walls bounding a cavity through which th induction air flows. The walls (5, 6) have surfaces (12, 13; 14, 15; 16, 17; 18, 19) with relatively thin walls with the aim of creating defined resonance frequencies. These surfaces may be round, square or rectangular.

Description

Die Erfindung betrifft ein Einlaßorgan für eine Brennkraftmaschine nach dem Oberbegriff des Patentanspruchs 1.The invention relates to an inlet member for an internal combustion engine according to the Preamble of claim 1.

Produkte mit akustisch wahrnehmbarer Klangstrahlung werden dann günstig beurteilt, wenn ihre Klangwirkung für das menschliche Gehör angenehm ist. Dies gilt vor allem für Personenwagen, die mit Brennkraftmaschinen angetrieben werden, deren Insassen, namentlich Fahrer dem von der Brennkraftmaschine induzierten Klangaufbau besondere Bedeutung zumessen. Die Güte des Klangaufbaus einer Brennkraftmaschine ist qualitätsrelevant und durch Nutzung der Kenntnisse des technischen Fachgebiets Geräusch, Vibration, Rauhigkeit - Noise, Vibration, Harshness (NVH) - optimierbar.Products with acoustically perceptible sound radiation are then assessed favorably, when their sound effect is pleasant for human hearing. This is especially true for passenger cars that are driven by internal combustion engines, their occupants, namely driver the sound build-up induced by the internal combustion engine attach particular importance. The goodness of the sound structure one Internal combustion engine is quality relevant and by using the knowledge of the technical specialty noise, vibration, roughness - noise, vibration, harshness (NVH) - can be optimized.

Ein bekanntes Einlaßorgan DE 30 11 294 C2 umfaßt ein Gehäuse mit einem Luftansaugrohr und eine mit einem Saugrohr verbundene Leitung. Das Gehäuse besitzt Wandungen, die eine mit Ansaugluft durchströmte Kammer begrenzen.A known inlet member DE 30 11 294 C2 comprises a housing with a Air intake pipe and a line connected to a suction pipe. The housing has Walls that delimit a chamber through which intake air flows.

Aufgabe der Erfindung ist es, an dem Einlaßorgan solche Vorkehrungen zu treffen, damit die von ihm induzierte Klangstruktur für das menschliche Gehör vorteilhaft ist.The object of the invention is to take such precautions on the inlet member, so that the sound structure it induces is beneficial for human hearing.

Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Patentanspruchs 1 gelöst. Weitere, die Erfindung ausgestaltende Merkmale sind in den Unteransprüchen enthalten.According to the invention, this object is achieved by the features of patent claim 1 solved. Further features embodying the invention are in the subclaims contain.

Die mit der Erfindung hauptsächlich erzielten Vorteile sind darin zu sehen, daß das Einlaßorgan durch die an der Wandung des Gehäuses angebrachten dünnwandigen Flächen definierte Frequenzen abstrahlt, die in Anlehnung an die Harmonielehre in einem bestimmten Verhältnis stehen und eine gezielte und vorteilhafte psychoakustische Wirkung auf das menschliche Gehör ausüben. Durch entsprechende The main advantages achieved with the invention are the fact that the Inlet member through the thin-walled attached to the wall of the housing Radiates defined frequencies, which are based on the theory of harmony in have a certain relationship and a targeted and beneficial one have a psychoacoustic effect on human hearing. By appropriate

Gestaltung des Gehäuses lassen sich die Flächen mit vertretbarem Aufwand in das Gehäuse integrieren. Eine besonders vorteilhafte Funktion wird erzielt, wenn die Flächen an Wandungen eines Behälters einer Sauganlage angebracht sind. Schließlich kann mit den an den Flächen angebrachten Masseteilen gezielt die Frequenzabstrahlung optimiert werden.Design of the housing, the surfaces can be done with reasonable effort Integrate housing. A particularly advantageous function is achieved if the Surfaces are attached to the walls of a container of a suction system. Finally can be targeted with the mass parts attached to the surfaces Frequency radiation can be optimized.

In der Zeichnung wird ein Ausführungsbeispiel der Erfindung gezeigt, das nachstehend näher beschrieben ist.In the drawing, an embodiment of the invention is shown, the following is described in more detail.

Es zeigen

Fig. 1
eine Ansicht eines Einlaßorgans für eine Brennkraftmaschine, das durch eine Sauganlage gebildet ist,
Fig. 2
einen Schnitt nach der Linie II-II der Fig. 1,
Fig. 3
eine Ansicht entsprechend Fig. 2, mit einer anderen Ausführungsform.
Show it
Fig. 1
2 shows a view of an inlet element for an internal combustion engine, which is formed by an intake system,
Fig. 2
2 shows a section along the line II-II of FIG. 1,
Fig. 3
a view corresponding to FIG. 2, with another embodiment.

Eine nicht näher gezeigte Brennkraftmaschine umfaßt ein Einlaßorgan 1, das im Ausführungsbeispiel durch eine Sauganlage 2 gebildet wird; ein Luftfilter fällt ebenfalls unter die Gattung Einlaßorgan.An internal combustion engine, not shown, includes an inlet member 1, which in the Embodiment is formed by a suction system 2; an air filter also falls under the genus inlet organ.

Die Sauganlage 2 weist bei 3 einen Lufteinlaß auf, der in einen Behälter 4 mündet. Dem Lufteinlaß vorgeschaltet ist ein nicht näher dargesteller Drosselklappenstutzen. Der Behälter 4 umfaßt Wandungen 5, 6, die einen Innenraum 7 begrenzen. Beim Betrieb der Brennkraftmaschine wird der Innenraum 7 mit Ansaugluft durchströmt.The suction system 2 has an air inlet at 3, which opens into a container 4. A throttle body (not shown) is connected upstream of the air inlet. The container 4 comprises walls 5, 6 which delimit an interior space 7. At the Operation of the internal combustion engine, the interior 7 is flowed through with intake air.

Vom Behälter 4 weggeführt sind vier Zuführungsleitungen 8, 9 10 und 11, die bei 24 an einen Zylinderkopf der Brennkraftmaschine anschließen. Die aus Metall, Kunststoff oder dgl. hergestellte Sauganlage 2 ist zum Einbau in eine Reihenbrennkraftmaschine ausgebildet, jedoch besteht auch die Möglichkeit, sie durch entsprechende Adaption an andere Bauarten von Brennkraftmaschinen anzupassen.Four feed lines 8, 9, 10 and 11 are led away from the container 4 and are located at 24 connect to a cylinder head of the internal combustion engine. The metal, plastic or the like. Manufactured suction system 2 is for installation in a series internal combustion engine trained, but there is also the possibility of appropriate adaptation to adapt to other types of internal combustion engines.

An den Wandungen 5, 6 sind relativ dünnwandige nach Art einer Membran ausgeführte Flächen 12, 13; 14, 15; 16, 17; 18, 19 vorgesehen, die dünnwandiger sind als der übrige Bereich der Wandungen 5, 6 d.h. außerhalb dieser Flächen, was mit Fd (Flächendicke) < Wd (Wanddicke) ausgedrückt wird. Prinzipiell ist die Fläche 12 in Figur 2 dargestellt, wobei sie an einer Innenseite 20 mit einem nach Art einer Platte ausgebildeten Masseteil 21 versehen ist, das nur im Bereich der Fläche 12 vorgesehen ist und durch geeignete Maßnahmen in Lage gehalten wird.On the walls 5, 6 are relatively thin-walled in the manner of a membrane Surfaces 12, 13; 14, 15; 16, 17; 18, 19 provided that are thinner than that remaining area of the walls 5, 6 i.e. outside of these areas, what with Fd (Surface thickness) <Wd (wall thickness) is expressed. In principle, the surface is 12 in Figure 2 shown, being on an inside 20 with a plate-like trained mass part 21 is provided, which only in the area of the surface 12 is provided and is held in position by suitable measures.

Die Flächen 12, 13; 14, 15; 16, 17; 18, 19 können kreisrund, quadratisch oder rechteckig sein; möglich sind aber auch noch andere Konfigurationen, wie elliptisch, vieleckig oder dgl.. Außerdem können die Flächen unterschiedlich groß sein, beispielsweise Fläche 18 > Fläche 19. Die Form, Größe und Lage dieser Flächen zueinander kann rechnerisch oder iterativ festgelegt werden.The surfaces 12, 13; 14, 15; 16, 17; 18, 19 can be circular, square or be rectangular; other configurations are also possible, such as elliptical, polygonal or the like. In addition, the areas can be of different sizes, for example, area 18> area 19. The shape, size, and location of these areas can be determined mathematically or iteratively to each other.

Die Flächen 12, 13; 14, 15; 16, 17, 18, 19 sind im Bereich der Zuführungsleitungen 8, 9, 10, 12 vorgesehen, die mit Abstand zueinander verlaufen und bei 22 mit Rohrstutzen für Einspritzdüsen versehen sind. Dabei weisen zumindest die Flächen 14, 15 in Längsrichtung C-C des Behälters 4 gesehen ein Flächenmaß Fm auf, das breiter ist als das Querschnittsmaß Qm der entsprechenden Zuführungsleitung z.B. 10.The surfaces 12, 13; 14, 15; 16, 17, 18, 19 are in the area of the feed lines 8, 9, 10, 12 are provided, which are spaced apart and at 22 with Pipe socket for injection nozzles are provided. At least the surfaces 14, 15 seen in the longitudinal direction C-C of the container 4 on an area dimension Fm, the wider is the cross-sectional dimension Qm of the corresponding supply line e.g. 10th

Gemäß Fig. 3 wird die Fläche 12 durch eine örtliche Querschnittsverjüngung Qv gebildet, deren Dicke geringer ist als die Dicke Wd der Wandung 5. Schließlich ist bei 23 der Übergang zwischen Wd und Qv angedeutet.According to FIG. 3, the surface 12 is reduced by a local cross-sectional taper Qv formed, the thickness of which is less than the thickness Wd of the wall 5. Finally, at 23 the transition between Wd and Qv is indicated.

Claims (9)

Einlaßorgan für eine Brennkraftmaschine, das durch eine Sauganlage ein Luftfilter oder dgl. dargestellt ist und jeweils ein Gehäuse mit Wandungen umfaßt, welche Wandungen einen mit Ansaugluft durchströmten Innenraum begrenzen dadurch gekennzeichnet, daß die Wandungen (5, 6) mit relativ dünnwandigen Flächen (12, 13; 14, 15; 15, 17; 18, 19) zur Erzielung von definierten Frequenzen versehen sind.Intake element for an internal combustion engine, through an intake system an air filter or the like. Is shown and each comprises a housing with walls, which Walls thereby delimit an interior space through which intake air flows characterized in that the walls (5, 6) with relatively thin-walled surfaces (12, 13; 14, 15; 15, 17; 18, 19) are provided to achieve defined frequencies. Einlaßorgan nach Anspruch 1, dadurch gekennzeichnet, daß die Flächen (12, 13; 14, 15; 16, 17, 18, 19) kreisförmig, quadratisch oder rechteckig ausgebildet sind.Inlet element according to claim 1, characterized in that the surfaces (12, 13; 14, 15; 16, 17, 18, 19) are circular, square or rectangular. Einlaßorgan nach einem oder mehreren der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Wandungen (5, 6) mit Flächen (12, 13; 14, 15; 16, 17, 18, 19) unterschiedlicher Größe versehen sind.Intake element according to one or more of the preceding claims, characterized characterized in that the walls (5, 6) with surfaces (12, 13; 14, 15; 16, 17, 18, 19) are of different sizes. Einlaßorgan, das durch eine Sauganlage mit einem Behälter gebildet wird, der an einen Zylinderkopf der Brennkraftmaschine angeschlossene Zuführungsleitungen aufweist nach einem oder mehreren der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Flächen (12, 13; 14, 15; 16, 17; 18, 19) an Wandungen (5, 6) des Behälters (4) im Bereich der Zuführungsleitungen (8, 9, 10, 11) vorgesehen sind.Inlet element, which is formed by a suction system with a container, which a cylinder head of the internal combustion engine connected supply lines according to one or more of the preceding claims, characterized characterized in that the surfaces (12, 13; 14, 15; 16, 17; 18, 19) on walls (5, 6) of the container (4) in the area of the feed lines (8, 9, 10, 11) are. Einlaßorgan nach Anspruch 4, dadurch gekennzeichnet, daß die Flächen (14, 15) zumindest teilweise breiter sind als die Zuführungsleitungen (8, 9, 10, 11).Inlet element according to claim 4, characterized in that the surfaces (14, 15) are at least partially wider than the feed lines (8, 9, 10, 11). Einlaßorgan nach Anspruch 5, dadurch gekennzeichnet, daß sämtliche Flächen (12, 13; 14, 15; 16, 17; 18, 19) in etwa viereckig sind. Inlet element according to claim 5, characterized in that all surfaces (12, 13; 14, 15; 16, 17; 18, 19) are approximately square. Einlaßorgan nach einem oder mehreren der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Flächen (12, 13) durch örtliche Querschnittsverringerungen der Wandungen (5, 6) gebildet werden.Intake element according to one or more of the preceding claims, characterized characterized in that the surfaces (12, 13) by local cross-sectional reductions the walls (5, 6) are formed. Einlaßorgan nach einem oder mehreren der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Flächen (12, 13; 14, 15; 16, 17; 18, 19) mit vorzugsweise metallischen Masseteilen (21) versehen sind.Intake element according to one or more of the preceding claims, characterized characterized in that the surfaces (12, 13; 14, 15; 16, 17; 18, 19) preferably with metallic mass parts (21) are provided. Einlaßorgan nach Anspruch 8, dadurch gekennzeichnet, daß die Masseteile (21) nach Art von Platten ausgebildet sind.Inlet element according to claim 8, characterized in that the mass parts (21) are designed in the manner of plates.
EP00102902A 1999-04-07 2000-02-12 Intake part for a combustion engine Expired - Lifetime EP1043493B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19915592 1999-04-07
DE19915592A DE19915592A1 (en) 1999-04-07 1999-04-07 Intake element for an internal combustion engine

Publications (3)

Publication Number Publication Date
EP1043493A2 true EP1043493A2 (en) 2000-10-11
EP1043493A3 EP1043493A3 (en) 2001-06-27
EP1043493B1 EP1043493B1 (en) 2003-05-07

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EP00102902A Expired - Lifetime EP1043493B1 (en) 1999-04-07 2000-02-12 Intake part for a combustion engine

Country Status (5)

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US (1) US6523516B1 (en)
EP (1) EP1043493B1 (en)
JP (1) JP2000303926A (en)
DE (2) DE19915592A1 (en)
ES (1) ES2193015T3 (en)

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DE102008030197A1 (en) * 2008-06-25 2009-12-31 Mahle International Gmbh Air filter and thus equipped fresh air system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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DE50002041D1 (en) 2003-06-12
DE19915592A1 (en) 2000-10-19
EP1043493B1 (en) 2003-05-07
US6523516B1 (en) 2003-02-25
JP2000303926A (en) 2000-10-31
EP1043493A3 (en) 2001-06-27
ES2193015T3 (en) 2003-11-01

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