WO2009003562A1 - Intake pipe for an internal combustion engine - Google Patents

Intake pipe for an internal combustion engine Download PDF

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Publication number
WO2009003562A1
WO2009003562A1 PCT/EP2008/004346 EP2008004346W WO2009003562A1 WO 2009003562 A1 WO2009003562 A1 WO 2009003562A1 EP 2008004346 W EP2008004346 W EP 2008004346W WO 2009003562 A1 WO2009003562 A1 WO 2009003562A1
Authority
WO
WIPO (PCT)
Prior art keywords
suction tube
water
air cooler
charge air
tube according
Prior art date
Application number
PCT/EP2008/004346
Other languages
German (de)
French (fr)
Inventor
Michael Deneke
Original Assignee
Volkswagen Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Priority to EP08758916A priority Critical patent/EP2171251A1/en
Publication of WO2009003562A1 publication Critical patent/WO2009003562A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0462—Liquid cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0475—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly the intake air cooler being combined with another device, e.g. heater, valve, compressor, filter or EGR cooler, or being assembled on a special engine location
    • 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
    • F02M35/10268—Heating, cooling or thermal insulating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082—Charged air coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/02—Removable elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the invention relates to a suction pipe for an internal combustion engine, in particular a gasoline engine, in particular of a motor vehicle, with a water charge air cooler arranged in the intake pipe, which has water tanks at its opposite ends, according to the preamble of patent claim 1.
  • the charge air cooler is arranged in a suction tube and comprises a removable core with support plates and cooling plates.
  • the circumference of the support plates and the cooling plates is formed such that this circumference corresponds to the cross section of the opening of a core carrier housing of the suction tube.
  • the ends of the core are sealed to provide longitudinal cooling channels in the core.
  • the suction tube has an annular groove in which a seal is arranged. At this seal abuts one end of the core with its circumference, so that at this end a chamber for the cooling fluid is sealed.
  • the invention is based on the object, a suction pipe of the o.g. To improve the type of costs and installation costs
  • a suction tube of the aforementioned type that at least one of the water boxes is formed as an integral part of the suction tube, wherein the water charge air cooler is designed as a radiator network, the housing is completely formed of parts of the suction tube.
  • the radiator network is designed as a plugged network with integrated sealing elements, as a soldered network with pre-assembled sealing elements or in the form of a tube cooler.
  • the sealing elements are preassembled, for example, on the soldered net or on the intake manifold or on the water charge air cooler (14).
  • the water charge air cooler is designed in the form of a tube cooler.
  • the housing of the suction tube closable on a closure cover opening, wherein preferably at least one water connection piece is formed integrally with the closure lid and optionally the closure lid is designed such that it forms a water box.
  • the closure cap is connected to the housing of the suction tube, for example by means of a screw connection, a clip connection or a welded connection.
  • a seal is provided on an end of the water charge air cooler facing the closure lid such that this seal seals the water box formed by the closure lid against an interior of the suction tube.
  • This seal is formed for example as a radial seal and / or axial seal.
  • the water tank integrated in the intake manifold is arranged on an end opposite the closure lid of the water charge air cooler, wherein preferably at the opposite end of the closure cap of the water charge air cooler, a seal is provided such that this seal formed by the intake manifold water tank against an interior of the Suction tube seals.
  • This seal is formed for example as a radial seal and / or axial seal.
  • the water charge air cooler and the intake manifold housing are formed such that in the water charge air cooler, a flow path for cooling water is U-shaped or I-shaped.
  • Fig. 1 shows a preferred embodiment of a suction tube according to the invention in sectional view
  • FIG. 2 the suction pipe of FIG. 1 in a sectional exploded view.
  • FIGS. 1 and 2 preferred embodiment of a suction pipe according to the invention comprises a Saugrohrgepuruse 10 with an air inlet 11, wherein in the intake manifold 10 integrally a first water tank 12 is formed for a arranged in an interior of the intake manifold Wasserladeluftkühler 14.
  • a closable by a closure cover 16 opening is formed in the intake manifold 10 .
  • the water charge air cooler 14 and this closable by the closure cover 16 opening are formed such that the water charge air cooler 14 can be inserted through this opening in the interior of the suction pipe.
  • the water charge air cooler 14 is formed without its own housing, wherein the intake manifold 10 is formed such that it forms all inserted into the intake manifold water charge air cooler 14 all necessary for this housing parts.
  • the closure lid 16 is designed such that it forms a second water tank 18 for the water charge air cooler 14 together with the intake manifold housing 10. Furthermore, 16 are arranged on the closure cap 16 connecting pieces 17 for feeding and discharging of the water charge air cooler 14 through which cooling water, which are preferably integrally formed with the closure lid 16 and in particular molded.
  • sealing elements 20, 22 are arranged, which radially and / or axially seal the two water boxes 12, 18 against an interior of the suction pipe.
  • the water charge air cooler 14 is reduced to a cooler network without its own housing.
  • This radiator network is designed for example as a plugged network with integrated sealing elements (tube radiator), as a soldered network with pre-assembled sealing elements (tube radiator) or as a brazed plate cooler.
  • the water tank 12, which the the Water charge air cooler 14 by flowing cooling water deflects and leads back into the radiator network is formed integrally with the intake manifold 10.
  • an I-shaped flow takes place instead of the U-shaped flow through the water charge air cooler.
  • no diversion takes place in the first water tank 12, but the water flows through the water charge air cooler and the first water tank 12 transversely.
  • the water connections 17 can also be arranged on the first water tank 12 formed integrally with the intake manifold housing 10 or alternatively a water connection 17 on the first water tank 12 and the correspondingly different water connection 17 on the second water tank 18.
  • the assembly of the water charge air cooler 14 takes place in the direction of arrow 24. i. the water charge air cooler 14 is inserted in the direction of arrow 24 in the intake manifold 10, wherein the sealing elements 20, 22 are arranged accordingly. Subsequently, the closure lid 16 is attached. By means of screw connections 26 Wasserladeluftkühler 14 and cover 16 are attached to the intake manifold 10.

Abstract

The invention relates to an intake pipe for an internal combustion engine, in particular spark-ignition engine, in particular of a motor vehicle, having a water charge-air cooler (14) which is arranged in the intake pipe and which has water tanks (12, 18) at its opposite ends. Here, at least one of the water tanks (12) is formed as an integral part of the intake pipe, wherein the water charge-air cooler (14) is designed as a cooler network whose housing is formed entirely by parts of the intake pipe.

Description

Beschreibung description
Saugrohr für eine BrennkraftmaschineSuction tube for an internal combustion engine
Die Erfindung betrifft ein Saugrohr für eine Brennkraftmaschine, insbesondere Ottomotor, insbesondere eines Kraftfahrzeugs, mit einem im Saugrohr angeordneten Wasserladeluftkühler, welcher an seinen gegenüberliegenden Enden Wasserkästen aufweist, gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a suction pipe for an internal combustion engine, in particular a gasoline engine, in particular of a motor vehicle, with a water charge air cooler arranged in the intake pipe, which has water tanks at its opposite ends, according to the preamble of patent claim 1.
Aus der DE 42 11 588 A1 ist eine Brennkraftmaschine bekannt, bei der ein Ladeluftkühler mit Wasserkühlung in einem Saugrohr der Brennkraftmaschine angeordnet ist.From DE 42 11 588 A1 an internal combustion engine is known, in which a charge air cooler is arranged with water cooling in a suction pipe of the internal combustion engine.
Aus der JP 2003-97277 ist eine Lufteinlassvorrichtung für eine Brennkraftmaschine bekannt, bei der ein Lader und ein Saugrohr zu einer kompakten Einheit zusammengefasst sind. In dem Saugrohr ist ein Wasser gekühlter Wärmetauscher angeordnet, der ein eigenes Gehäuse und eigene Wasserkästen aufweist.From JP 2003-97277 an air intake device for an internal combustion engine is known in which a loader and a suction tube are combined to form a compact unit. In the suction pipe, a water cooled heat exchanger is arranged, which has its own housing and its own water boxes.
Aus der US 3 881 455 ist eine aufgeladene Brennkraftmaschine mit einem Ladeluftkühler bekannt. Der Ladeluftkühler ist in einem Saugrohr angeordnet und umfasst einen herausnehmbaren Kern mit Stützplatten und Kühlblechen. Der Umfang der Stützplatten und der Kühlbleche ist derart ausgebildet, dass dieser Umfang dem Querschnitt der Öffnung eines Kernträgergehäuses des Saugrohres entspricht. Die Enden des Kerns sind abgedichtet, um longitudinale Kühlkanäle im Kern zur Verfügung zu stellen. Das Saugrohr weist eine ringförmige Nut auf, in der eine Dichtung angeordnet ist. An diese Dichtung stößt ein Ende des Kerns mit seinem Umfang an, so dass an diesem Ende eine Kammer für das Kühlfluid abgedichtet ist.From US 3 881 455 a supercharged internal combustion engine with a charge air cooler is known. The charge air cooler is arranged in a suction tube and comprises a removable core with support plates and cooling plates. The circumference of the support plates and the cooling plates is formed such that this circumference corresponds to the cross section of the opening of a core carrier housing of the suction tube. The ends of the core are sealed to provide longitudinal cooling channels in the core. The suction tube has an annular groove in which a seal is arranged. At this seal abuts one end of the core with its circumference, so that at this end a chamber for the cooling fluid is sealed.
Der Erfindung liegt die Aufgabe zugrunde, ein Saugrohr der o.g. Art hinsichtlich Kosten und Montageaufwand zu verbessernThe invention is based on the object, a suction pipe of the o.g. To improve the type of costs and installation costs
Diese Aufgabe wird erfindungsgemäß durch ein Saugrohr der o.g. Art mit den in Anspruch 1 gekennzeichneten Merkmalen gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den weiteren Ansprüchen beschrieben.This object is achieved by a suction pipe o.g. Art solved with the features characterized in claim 1. Advantageous embodiments of the invention are described in the further claims.
Dazu ist es bei einem Saugrohr der o.g. Art erfindungsgemäß vorgesehen, dass wenigstens einer der Wasserkästen als integraler Bestandteil des Saugrohres ausgebildet ist, wobei der Wasserladeluftkühler als Kühlernetz ausgebildet ist, dessen Gehäuse vollständig von Teilen des Saugrohres ausgebildet ist. Dies hat den Vorteil, dass der Wasserladeluftkühler selbst kein Gehäuse und keinen Wasserkasten mehr benötigt, sondern das Gehäuse in das Saugrohr integriert ist, so dass die Herstellungskosten für den Ladeluftkühler reduziert und die Montage vereinfacht ist. Dies erlaubt einen einfachen Übergang vom gelöteten Aluplattenkühler auf kostengünstige gesteckte Rohrkühler. Lötstutzen von herkömmlichen Wasserladeluftkühlern können entfallen, was eine zusätzliche Kostenreduktion bedingt.For this purpose, it is provided according to the invention in a suction tube of the aforementioned type that at least one of the water boxes is formed as an integral part of the suction tube, wherein the water charge air cooler is designed as a radiator network, the housing is completely formed of parts of the suction tube. This has the advantage that the water charge air cooler itself no longer needs a housing and a water box, but the housing is integrated into the intake manifold, so that the manufacturing cost of the intercooler is reduced and the assembly is simplified. This allows a simple transition from brazed Aluplattenkühler on inexpensive plugged tube cooler. Lötstutzen of conventional water charge air coolers can be omitted, which requires an additional cost reduction.
Beispielsweise ist das Kühlernetz als gestecktes Netz mit integrierten Dichtelementen, als gelötetes Netz mit vormontierten Dichtelementen oder in Form eines Rohrkühlers ausgebildet. Die Dichtelemente sind beispielsweise am gelöteten Netz oder am Saugrohr oder am Wasserladeluftkühler (14) vormontiert.For example, the radiator network is designed as a plugged network with integrated sealing elements, as a soldered network with pre-assembled sealing elements or in the form of a tube cooler. The sealing elements are preassembled, for example, on the soldered net or on the intake manifold or on the water charge air cooler (14).
In einer bevorzugten Ausführungsform ist der Wasserladeluftkühler in Form eines Rohrkühlers ausgebildet.In a preferred embodiment, the water charge air cooler is designed in the form of a tube cooler.
Zum Einschieben des Wasserladeluftkühlers in das Saugrohr weist das Gehäuse des Saugrohres eine von einem Verschlussdeckel verschließbare Öffnung auf, wobei bevorzugt wenigstens ein Wasseranschlussstutzen einstückig mit dem Verschlussdeckel ausgebildet ist und optional der Verschlussdeckel derart ausgebildet ist, dass dieser einen Wasserkasten ausbildet. Der Verschlussdeckel ist mit dem Gehäuse des Saugrohres beispielsweise mittels einer Schraubverbindung, einer Clipverbindung oder einer Schweißverbindung verbunden.For insertion of the water charge air cooler in the suction tube, the housing of the suction tube closable on a closure cover opening, wherein preferably at least one water connection piece is formed integrally with the closure lid and optionally the closure lid is designed such that it forms a water box. The closure cap is connected to the housing of the suction tube, for example by means of a screw connection, a clip connection or a welded connection.
Zweckmäßigerweise ist an einem dem Verschlussdeckel zugewandten Ende des Wasserladeluftkühlers eine Dichtung derart vorgesehen, dass diese Dichtung den vom Verschlussdeckel ausgebildeten Wasserkasten gegen einen Innenraum des Saugrohres abdichtet. Diese Dichtung ist beispielsweise als Radialdichtung und/oder Axialdichtung ausgebildet.Expediently, a seal is provided on an end of the water charge air cooler facing the closure lid such that this seal seals the water box formed by the closure lid against an interior of the suction tube. This seal is formed for example as a radial seal and / or axial seal.
In einer besonders bevorzugten Ausführungsform ist der in das Saugrohrgehäuse integrierte Wasserkasten an einem dem Verschlussdeckel gegenüberliegenden Ende des Wasserladeluftkühlers angeordnet, wobei bevorzugt an dem dem Verschlussdeckel gegenüberliegenden Ende des Wasserladeluftkühlers eine Dichtung derart vorgesehen ist, dass diese Dichtung den vom Saugrohrgehäuse ausgebildeten Wasserkasten gegen einen Innenraum des Saugrohres abdichtet. Diese Dichtung ist beispielsweise als Radialdichtung und/oder Axialdichtung ausgebildet. In einer bevorzugten Ausführungsform sind der Wasserladeluftkühler und das Saugrohrgehäuse derart ausgebildet, dass in dem Wasserladeluftkühler ein Strömungsweg für Kühlwasser U-förmig oder I-förmig verläuft.In a particularly preferred embodiment, the water tank integrated in the intake manifold is arranged on an end opposite the closure lid of the water charge air cooler, wherein preferably at the opposite end of the closure cap of the water charge air cooler, a seal is provided such that this seal formed by the intake manifold water tank against an interior of the Suction tube seals. This seal is formed for example as a radial seal and / or axial seal. In a preferred embodiment, the water charge air cooler and the intake manifold housing are formed such that in the water charge air cooler, a flow path for cooling water is U-shaped or I-shaped.
Die Erfindung wird im Folgenden anhand der Zeichnung näher erläutert. Diese zeigt inThe invention will be explained in more detail below with reference to the drawing. This shows in
Fig. 1 eine bevorzugte Ausführungsform eines erfindungsgemäßen Saugrohres in Schnittansicht undFig. 1 shows a preferred embodiment of a suction tube according to the invention in sectional view and
Fig. 2 das Saugrohr gemäß Fig. 1 in geschnittener Explosionsdarstellung.Fig. 2, the suction pipe of FIG. 1 in a sectional exploded view.
Die in Fig. 1 und 2 dargestellte, bevorzugte Ausführungsform eines erfindungsgemäßen Saugrohres umfasst ein Saugrohrgehäuse 10 mit einem Lufteintritt 11 , wobei in dem Saugrohrgehäuse 10 einstückig ein erster Wasserkasten 12 für einen in einem Innenraum des Saugrohres angeordneten Wasserladeluftkühler 14 ausgebildet ist. In dem Saugrohrgehäuse 10 ist eine von einem Verschlussdeckel 16 verschließbare Öffnung ausgebildet. Der Wasserladeluftkühler 14 und diese vom Verschlussdeckel 16 verschließbare Öffnung sind derart ausgebildet, dass der Wasserladeluftkühler 14 durch diese Öffnung in den Innenraum des Saugrohres eingeschoben werden kann.The illustrated in FIGS. 1 and 2, preferred embodiment of a suction pipe according to the invention comprises a Saugrohrgehäuse 10 with an air inlet 11, wherein in the intake manifold 10 integrally a first water tank 12 is formed for a arranged in an interior of the intake manifold Wasserladeluftkühler 14. In the intake manifold 10 a closable by a closure cover 16 opening is formed. The water charge air cooler 14 and this closable by the closure cover 16 opening are formed such that the water charge air cooler 14 can be inserted through this opening in the interior of the suction pipe.
Der Wasserladeluftkühler 14 ist ohne eigenes Gehäuse ausgebildet, wobei das Saugrohrgehäuse 10 derart ausgebildet ist, dass es bei in das Saugrohr eingeschobenem Wasserladeluftkühler 14 alle für diesen notwendigen Gehäuseteile ausbildet.The water charge air cooler 14 is formed without its own housing, wherein the intake manifold 10 is formed such that it forms all inserted into the intake manifold water charge air cooler 14 all necessary for this housing parts.
Der Verschlussdeckel 16 ist derart ausgebildet, dass er zusammen mit dem Saugrohrgehäuse 10 einen zweiten Wasserkasten 18 für den Wasserladeluftkühler 14 ausbildet. Weiterhin sind am Verschlussdeckel 16 Anschlussstutzen 17 zum Zu- und Abführen von den Wasserladeluftkühler 14 durchströmendem Kühlwasser angeordnet, die bevorzugt einstückig mit dem Verschlussdeckel 16 ausgebildet und insbesondere angespritzt sind.The closure lid 16 is designed such that it forms a second water tank 18 for the water charge air cooler 14 together with the intake manifold housing 10. Furthermore, 16 are arranged on the closure cap 16 connecting pieces 17 for feeding and discharging of the water charge air cooler 14 through which cooling water, which are preferably integrally formed with the closure lid 16 and in particular molded.
An gegenüberliegenden Enden des Wasserladeluftkühlers 14 sind Dichtelemente 20, 22 angeordnet, welche radial und/oder axial die beiden Wasserkästen 12, 18 gegen einen Innenraum das Saugrohres abdichten.At opposite ends of the water charge air cooler 14 sealing elements 20, 22 are arranged, which radially and / or axially seal the two water boxes 12, 18 against an interior of the suction pipe.
Der Wasserladeluftkühler 14 ist auf ein Kühlernetz ohne eigenes Gehäuse reduziert. Dieses Kühlernetz ist beispielsweise als gestecktes Netz mit integrierten Dichtelementen (Röhrenkühler), als gelötetes Netz mit vormontierten Dichtelementen (Röhrenkühler) oder als gelöteter Plattenkühler ausgebildet. Derjenige Wasserkasten 12, welcher das den Wasserladeluftkühler 14 durchströmende Kühlwasser umlenkt und zurück in das Kühlernetz führt ist einstückig mit dem Saugrohrgehäuse 10 ausgebildet.The water charge air cooler 14 is reduced to a cooler network without its own housing. This radiator network is designed for example as a plugged network with integrated sealing elements (tube radiator), as a soldered network with pre-assembled sealing elements (tube radiator) or as a brazed plate cooler. The water tank 12, which the the Water charge air cooler 14 by flowing cooling water deflects and leads back into the radiator network is formed integrally with the intake manifold 10.
In einer alternativen, nicht dargestellten Ausführungsform erfolgt statt der U-förmigen Durchströmung des Wasserladeluftkühlers eine I-förmige Durchströmung. In diesem Fall erfolgt in dem ersten Wasserkasten 12 keine Umlenkung sondern das Wasser durchströmt den Wasserladeluftkühler sowie den ersten Wasserkasten 12 quer. Die Wasseranschlüsse 17 können alternativ auch am einstückig mit dem Saugrohrgehäuse 10 ausgebildeten ersten Wasserkasten 12 oder alternativ ein Wasseranschluss 17 am ersten Wasserkasten 12 und der entsprechend andere Wasseranschluss 17 am zweiten Wasserkasten 18. angeordnet sein.In an alternative embodiment, not shown, an I-shaped flow takes place instead of the U-shaped flow through the water charge air cooler. In this case, no diversion takes place in the first water tank 12, but the water flows through the water charge air cooler and the first water tank 12 transversely. Alternatively, the water connections 17 can also be arranged on the first water tank 12 formed integrally with the intake manifold housing 10 or alternatively a water connection 17 on the first water tank 12 and the correspondingly different water connection 17 on the second water tank 18.
Wie aus Fig. 2 ersichtlich, erfolgt die Montage des Wasserladeluftkühlers 14 in Pfeilrichtung 24. d.h. der Wasserladeluftkühler 14 wird in Pfeilrichtung 24 in das Saugrohrgehäuse 10 eingeschoben, wobei die Dichtelemente 20, 22 entsprechend angeordnet werden. Anschließend wird der Verschlussdeckel 16 angebracht. Mittels Verschraubungen 26 werden Wasserladeluftkühler 14 und Verschlussdeckel 16 am Saugrohrgehäuse 10 befestigt. As can be seen from Fig. 2, the assembly of the water charge air cooler 14 takes place in the direction of arrow 24. i. the water charge air cooler 14 is inserted in the direction of arrow 24 in the intake manifold 10, wherein the sealing elements 20, 22 are arranged accordingly. Subsequently, the closure lid 16 is attached. By means of screw connections 26 Wasserladeluftkühler 14 and cover 16 are attached to the intake manifold 10.

Claims

Patentansprüche claims
1. Saugrohr für eine Brennkraftmaschine, insbesondere Ottomotor, insbesondere eines Kraftfahrzeugs, mit einem im Saugrohr angeordneten Wasserladeluftkühler (14), welcher an seinen gegenüberliegenden Enden Wasserkästen (12, 18) aufweist, dadurch gekennzeichnet, dass wenigstens einer der Wasserkästen (12) als integraler Bestandteil des Saugrohres ausgebildet ist, wobei der Wasserladeluftkühler (14) als Kühlernetz ausgebildet ist, dessen Gehäuse vollständig von Teilen des Saugrohres ausgebildet ist.1. Intake manifold for an internal combustion engine, in particular gasoline engine, in particular a motor vehicle, with a suction tube arranged in the water charge air cooler (14), which at its opposite ends water boxes (12, 18), characterized in that at least one of the water boxes (12) as an integral Part of the suction pipe is formed, wherein the water charge air cooler (14) is designed as a radiator network, the housing is formed entirely of parts of the suction pipe.
2. Saugrohr nach Anspruch 1 , dadurch gekennzeichnet, dass das Kühlernetz als gestecktes Netz mit integrierten Dichtelementen ausgebildet ist.2. Suction tube according to claim 1, characterized in that the radiator network is designed as a plugged network with integrated sealing elements.
3. Saugrohr nach Anspruch 1 , dadurch gekennzeichnet, dass das Kühlernetz als gelötetes Netz ausgebildet ist.3. Suction tube according to claim 1, characterized in that the radiator network is designed as a soldered network.
4. Saugrohr nach Anspruch 3, dadurch gekennzeichnet, dass Netz Dichtelemente aufweist, welche am gelöteten Netz oder am Saugrohr oder am Wasserladeluftkühler (14) vormontiert sind4. Suction tube according to claim 3, characterized in that the network has sealing elements, which are pre-mounted on the brazed net or on the intake manifold or on the water charge air cooler (14)
5. Saugrohr nach Anspruch 1 , dadurch gekennzeichnet, dass das Kühlernetz als Plattenkühler ausgebildet ist.5. Suction tube according to claim 1, characterized in that the cooler network is designed as a plate cooler.
6. Saugrohr nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Wasserladeluftkühler (14) in Form eines Rohrkühlers ausgebildet ist.6. Suction tube according to at least one of the preceding claims, characterized in that the water charge air cooler (14) is designed in the form of a tube cooler.
7. Saugrohr nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Gehäuse (10) des Saugrohres eine von einem Verschlüssdeckel (16) verschließbare Öffnung zum Einschieben des Wasserladeluftkühlers (14) in das Saugrohr aufweist.7. Suction tube according to at least one of the preceding claims, characterized in that the housing (10) of the suction tube one of a Verschlüssdeckel (16) closable opening for insertion of the water charge air cooler (14) in the suction pipe.
8. Saugrohr nach Anspruch 7, dadurch gekennzeichnet, dass wenigstens ein Wasseranschlussstutzen (17) einstückig mit dem Verschlussdeckel (14) ausgebildet ist.8. Suction tube according to claim 7, characterized in that at least one water connection piece (17) is formed integrally with the closure lid (14).
9. Saugrohr nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass wenigstens ein Wasseranschlussstutzen (17) einstückig mit dem Saugrohr ausgebildet ist. 9. Suction tube according to claim 7 or 8, characterized in that at least one water connection piece (17) is formed integrally with the suction tube.
10. Saugrohr nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass der Verschlussdeckel (16) derart ausgebildet ist, dass dieser einen Wasserkasten (18) ausbildet.10. Suction tube according to one of claims 7 to 9, characterized in that the closure lid (16) is designed such that it forms a water tank (18).
11. Saugrohr nach Anspruch 10, dadurch gekennzeichnet, dass an einem dem Verschlussdeckel (16) zugewandten Ende des Wasserladeluftkühlers (14) eine Dichtung (20) derart vorgesehen ist, dass diese Dichtung (20) den vom Verschlussdeckel (16) ausgebildeten Wasserkasten (18) gegen einen Innenraum des Saugrohres abdichtet.11. Suction tube according to claim 10, characterized in that on a closure lid (16) facing the end of the water charge air cooler (14) a seal (20) is provided such that this seal (20) from the closure lid (16) formed water tank (18 ) seals against an interior of the suction tube.
12. Saugrohr nach Anspruch 11 , dadurch gekennzeichnet, dass die Dichtung (20) als Radialdichtung und/oder Axialdichtung ausgebildet ist.12. Suction tube according to claim 11, characterized in that the seal (20) is designed as a radial seal and / or axial seal.
13. Saugrohr nach wenigstens einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, dass der Verschlussdeckel (16) mit dem Gehäuse (10) des Saugrohres mittels einer Schraubverbindung (26), einer Clipverbindung oder einer Schweißverbindung verbunden ist.13. Suction tube according to at least one of claims 7 to 12, characterized in that the closure lid (16) is connected to the housing (10) of the suction tube by means of a screw connection (26), a clip connection or a welded connection.
14. Saugrohr nach wenigstens einem der Ansprüche 7 bis 13, dadurch gekennzeichnet, dass der in das Saugrohrgehäuse (10) integrierte Wasserkasten (12) an einem dem Verschlussdeckel (16) gegenüberliegenden Ende des Wasserladeluftkühlers (14) angeordnet ist.14. Suction tube according to at least one of claims 7 to 13, characterized in that in the intake manifold (10) integrated water tank (12) is arranged on a closure lid (16) opposite the end of the water charge air cooler (14).
15. Saugrohr nach Anspruch 14, dadurch gekennzeichnet, dass an dem dem Verschlussdeckel (16) gegenüberliegenden Ende des Wasserladeluftkühlers (14) eine Dichtung (22) derart vorgesehen ist, dass diese Dichtung (22) den vom Saugrohrgehäuse (10) ausgebildeten Wasserkasten (12) gegen einen Innenraum des Saugrohres abdichtet.15. Intake manifold according to claim 14, characterized in that on the closure cover (16) opposite end of the water charge air cooler (14) a seal (22) is provided such that this seal (22) from the intake manifold (10) formed water tank (12 ) seals against an interior of the suction tube.
16. Saugrohr nach Anspruch 15, dadurch gekennzeichnet, dass die Dichtung (22) als Radialdichtung und/oder Axialdichtung ausgebildet ist.16. Suction tube according to claim 15, characterized in that the seal (22) is designed as a radial seal and / or axial seal.
17. Saugrohr nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Wasserladeluftkühler (14) und das Saugrohrgehäuse (10) derart ausgebildet sind, dass in dem Wasserladeluftkühler (14) ein Strömungsweg für Kühlwasser U-förmig oder I-förmig verläuft. 17. Intake manifold according to at least one of the preceding claims, characterized in that the water charge air cooler (14) and the intake manifold (10) are formed such that in the water charge air cooler (14) a flow path for cooling water is U-shaped or I-shaped.
PCT/EP2008/004346 2007-06-29 2008-05-31 Intake pipe for an internal combustion engine WO2009003562A1 (en)

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DE102007030464A DE102007030464A1 (en) 2007-06-29 2007-06-29 Suction tube for an internal combustion engine

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