EP1375896A2 - Air intake system - Google Patents

Air intake system Download PDF

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Publication number
EP1375896A2
EP1375896A2 EP03005658A EP03005658A EP1375896A2 EP 1375896 A2 EP1375896 A2 EP 1375896A2 EP 03005658 A EP03005658 A EP 03005658A EP 03005658 A EP03005658 A EP 03005658A EP 1375896 A2 EP1375896 A2 EP 1375896A2
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
air intake
intake duct
duct system
inlet
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.)
Withdrawn
Application number
EP03005658A
Other languages
German (de)
French (fr)
Other versions
EP1375896A3 (en
Inventor
Norbert Simons
Hans-Jürgen Hüsges
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.)
Pierburg GmbH
Original Assignee
Pierburg GmbH
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 Pierburg GmbH filed Critical Pierburg GmbH
Publication of EP1375896A2 publication Critical patent/EP1375896A2/en
Publication of EP1375896A3 publication Critical patent/EP1375896A3/en
Withdrawn legal-status Critical Current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
    • F02M35/10006—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
    • F02M35/10032—Plenum chambers specially shaped or arranged connecting duct between carburettor or air inlet duct and the plenum chamber; specially positioned carburettors or throttle bodies with respect to the plenum chamber
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/21—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system with EGR valves located at or near the connection to the intake system
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/32—Liquid-cooled heat exchangers
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/41—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds; characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers
    • 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
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • 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
    • 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
    • F02M35/10288—Air intakes combined with another engine part, e.g. cylinder head cover or being cast in one piece with the exhaust manifold, cylinder head or engine block
    • 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
    • F02M35/1034—Manufacturing and assembling intake systems
    • F02M35/10347—Moulding, casting or the like
    • 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
    • F02M35/112—Intake manifolds for engines with cylinders all in one line
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/11—Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/19—Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/51—EGR valves combined with other devices, e.g. with intake valves or compressors
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/65—Constructional details of EGR valves
    • F02M26/66—Lift valves, e.g. poppet valves
    • F02M26/69—Lift valves, e.g. poppet valves having two or more valve-closing members

Definitions

  • the invention relates to an air intake duct system with an exhaust gas introduction device for an internal combustion engine
  • the air intake duct system essentially consists of an at least one-piece housing and a collective inlet has, which cooperates with a fresh air inlet channel in which a throttle valve can be arranged and arranged in the air intake duct system Exhaust gas inlet, which is fluidly connected to an exhaust gas recirculation valve.
  • the air intake duct system generally consists essentially of one Housing upper part and a lower housing part, wherein a collective inlet with a Fresh air inlet channel cooperates, in which a throttle valve is arranged.
  • this air intake duct system has an exhaust gas inlet which is connected to a Exhaust gas recirculation valve and a flow guide body influencing the exhaust gas inlet jet cooperates, which is formed by elements of the upper housing part and Lower housing part is formed in the assembled state of the air intake duct system.
  • Exhaust gas recirculation valves used in such devices are well known and can have different shapes and types of actuation.
  • Such an exhaust gas recirculation valve is described in 198 36 648 A1. It has two valve closing bodies arranged on a valve actuating rod, which shut off the fluid flow a channel existing between the valve closing bodies in two behind the Control valve seats existing channels, the channels in the continuation Course be merged.
  • the invention is therefore based on the object, in particular the assembly effort by reducing the number of parts and thus reducing costs both in the Minimize manufacturing as well as assembly.
  • the air intake duct system has a distributor plate has, in which a first channel section through which the exhaust gas from the exhaust gas recirculation valve flows away and at least a second channel section through which the Exhaust gas flows to the collective inlet and via a fluidic connection between the exhaust gas recirculation valve and the collective inlet can be produced, arranged are.
  • the distributor plate is integral with one Lower housing part of the air intake duct system is formed, which further reduces the number of components caused.
  • the air intake duct system with the distributor plate is inexpensive in the die casting process produced. Furthermore, this design results in a very small one Space requirements and a modular structure of the air intake duct system with the related components becomes possible.
  • Exhaust gas recirculation from the cylinder head to the exhaust gas recirculation valve can also be done via an exhaust duct, which is at least partially arranged in the distributor plate, which saves additional components.
  • a cover and the exhaust gas recirculation valve can be arranged, which the channel sections of the distributor plate seal to the outside, thereby producing the entire air intake duct system with distributor plate in the die-casting process is facilitated because simple Shapes can be used. This creates additional cost minimization in the manufacturing process.
  • This cover has a connection piece between the fresh air inlet duct and Is arranged collecting inlet and establishes a fluidic connection between them, but at the same time in a particularly favorable embodiment as a carrier of Throttle valve or a control valve is used. This makes the modular inexpensive Construction continued.
  • the cover can either be in one piece with a housing of the exhaust gas recirculation valve or in one piece with a housing of the throttle valve connector or the control valve be trained. Both versions further reduce the number of required components and thus the manufacturing and assembly costs.
  • an exhaust gas inlet flow is influenced Flow guide body provided in the collective inlet. This leads to one aerodynamically favorable behavior in the mixture of exhaust gas and Fresh air so that the cylinders are treated with an even proportion of exhaust gas can be.
  • the distributor plate can have shaped elements which form the flow guide body form.
  • this flow guide body can one in the axial direction of the fresh air inlet duct and against the flow direction the air-extending annular shoulder in the form of an annular diaphragm, which defines an annular channel which is fluid with the collection inlet through passage openings is connected in the annular shoulder and one-sided by the cover is closable or with the lid defines a gap through which the second channel section is fluidly connected to the collecting inlet channel.
  • the cover can also have shaped elements or webs, which in assembled state with the distributor plate form the flow guide.
  • the shaped elements of the cover form an annular diaphragm which, when assembled, define an annular channel with the distributor plate, which is the fluidic connection between the second channel section and the collecting inlet channel through openings or a gap between the distributor plate and form elements.
  • the main part of the exhaust gas cooler consists from an extruded profile.
  • the cooler is lightweight and there are considerable cost advantages compared to conventional exhaust gas coolers.
  • the exhaust gas cooler is fixed to the air intake duct system connected and the supply takes place via the first channel section of the exhaust gas to the exhaust gas cooler, via the second channel section, the removal of the exhaust gas out of the exhaust gas cooler and also arranged in the distributor plate Channel section the deflection of the coolant flow.
  • the distribution plate is then also part of the exhaust gas cooler and becomes like the other exhaust gas recirculation channels closed by the lid.
  • connection channels for the coolant supply and discharge and one Deflection channel for the exhaust gas flow which means additional connection elements be saved and the deflection of the exhaust gas flow in a simple manner is realized.
  • Figure 1 shows a perspective view of a Lauftansaugkanaisystem according to the invention with attached exhaust gas cooler and integrated in the air intake duct system Ring diaphragm.
  • FIG. 2 shows a perspective view of the air intake duct system with exhaust gas recirculation valve, Cover and throttle body.
  • Figure 3 shows a perspective view of an exhaust gas recirculation valve in a particular favorable embodiment with cover and shaped elements for generating the Ring diaphragm.
  • Figure 4 shows again in an exploded view the two-part according to the invention Air intake duct system with exhaust gas cooler and exhaust gas recirculation valve.
  • FIG. 5 shows a top view of the exhaust gas cooler mounted on the air intake duct system.
  • FIG. 6 shows a front view of the exhaust gas cooler in the central area with a viewing direction to the distributor plate.
  • the air intake duct system shown consists essentially of an upper housing part 1 and a lower housing part 2, which in the illustrated embodiment furthermore has a distributor plate 3, which, however, also as an individual part can be attached to the lower housing part 2. Because of their simple shape can the upper housing part 1 and lower part 2 with the distributor plate 3 in the die casting process getting produced.
  • the exhaust gas passes from the cylinder head via the intake manifold consisting of 1 and lower part 2 into an exhaust gas duct leading to an exhaust gas recirculation valve 4 5.
  • the exhaust gas recirculation valve 4 When the exhaust gas recirculation valve 4 is open, the exhaust gas continues to flow through a first one Channel section 6 to an exhaust gas cooler 7, where it is countercurrent to the cooling medium is cooled to the desired temperature.
  • a cooling medium inlet 8 and a cooling medium outlet 9 can be seen in FIG.
  • the cooling medium flow is deflected via the distributor plate 3
  • the exhaust gas passes through the exhaust gas cooler 7 via a second channel section 10 in an annular channel 11, from where it is in the area of a collective inlet 12 of the air intake duct system can flow.
  • it mixes with the Intake air, which is regulated via a throttle valve 13 and from a fresh air inlet duct 14 via a throttle valve connector 15 in the area of the collective inlet 12 streams.
  • a cover 16 closes the channel sections 5, 6, 10 and 11 and the exhaust gas cooler 7.
  • the Ring channel 11 through a in the axial direction of a fresh air inlet channel 14 and against the flow direction of the air extending annular shoulder of a Flow guide body 17 defined in the form of an annular diaphragm.
  • This flow guide 17 has shaped elements in the form of webs 18, through the passage openings or spaces 19 after closing the distributor plate 3 through the cover 16 the exhaust gas can flow from the exhaust duct 10 to the collecting inlet 12.
  • a housing 20 of the exhaust gas recirculation valve 4 is shown, which is in one piece is formed with the lid 16 and in this the annular channel 11 to others Way defining embodiment of the further webs or shaped elements 18 ', with the walls of the collecting inlet 12 of the distributor plate 3 form a flow guide body 17 'and the annular channel 11 with through openings Define 19 '.
  • This version is a double plate valve, so that two outlet channels 21, 22 with one another via a short-circuit channel 23 to be in fluid communication.
  • the outlet duct is in the assembled state in fluid communication with the channel 6 of the distributor plate 3.
  • An inlet channel 24 of the EGR valve 4 is in this embodiment between the two outlet channels 21, 22 and is in fluid communication with channel 5 after installation the distributor plate 3.
  • FIG. 5 shows the schematic representation of the attached exhaust gas cooler 7, which consists of an extruded profile 26 in its central region 25 and is connected on one side to the distributor plate 3, which in turn is closed by the cover 16 and a channel section 27 for deflection of the cooling medium and on the other side through a second cover 28 is closed, both the cooling medium inlet 8 and the cooling medium outlet 9 as well as the deflection of the exhaust gas stream.
  • This lid 28 is connected via screws 29 to the central area 25 of the exhaust gas cooler 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

The internal combustion engine induction system has a housing with an upper section (2) fastened to a lower section (1). An exhaust gas cooler (7) forms part of the upper housing section and has a central channel with fins inside an outer casing (25). There are connections for cooling fluid (8,9) at one end and a pressure die cast divider plate (3) at the other end. The system includes a fresh air inlet channel (14) and a throttle valve (13). There is a mixing system for air and cooled exhaust gas, with an EGR (Exhaust Gas Recirculation) control valve (4).

Description

Die Erfindung betrifft ein Luftansaugkanalsystem mit einer Abgaseinleitvorrichtung für eine Verbrennungskraftmaschine, wobei das Luftansaugkanalsystem im wesentlichen aus einem zumindest einteiligen Gehäuse besteht und einen Sammeleinlaß aufweist, der mit einem Frischlufteinlaßkanal zusammenwirkt, in dem eine Drosselklappe angeordnet sein kann und mit einem im Luftansaugkanalsystem angeordneten Abgaseinlaß, der fluidisch mit einem Abgasrückführventil verbunden ist.The invention relates to an air intake duct system with an exhaust gas introduction device for an internal combustion engine, the air intake duct system essentially consists of an at least one-piece housing and a collective inlet has, which cooperates with a fresh air inlet channel in which a throttle valve can be arranged and arranged in the air intake duct system Exhaust gas inlet, which is fluidly connected to an exhaust gas recirculation valve.

Solche Luftansaugkanalsysteme mit Abgaseinleitvorrichtung sind allgemein bekannt. Dabei besteht das Luftansaugkanalsystem in der Regel im wesentlichen aus einem Gehäuseoberteil und einem Gehäuseunterteil, wobei ein Sammeleinlaß mit einem Frischlufteinlaßkanal zusammenwirkt, in dem eine Drosselklappe angeordnet ist. Des weiteren weist dieses Luftansaugkanalsystem einen Abgaseinlaß auf, der mit einem Abgasrückführventil und einem den Abgaseinleitstrahl beeinflussenden Strömungsleitkörper zusammenwirkt, der durch Formelemente des Gehäuseoberteils und des Gehäuseunterteils im montierten Zustand des Luftansaugkanalsystems gebildet wird.Such air intake duct systems with exhaust gas introduction device are generally known. The air intake duct system generally consists essentially of one Housing upper part and a lower housing part, wherein a collective inlet with a Fresh air inlet channel cooperates, in which a throttle valve is arranged. Of furthermore, this air intake duct system has an exhaust gas inlet which is connected to a Exhaust gas recirculation valve and a flow guide body influencing the exhaust gas inlet jet cooperates, which is formed by elements of the upper housing part and Lower housing part is formed in the assembled state of the air intake duct system.

Bei solchen Vorrichtungen verwendete Abgasrückführventile sind hinlänglich bekannt und können unterschiedliche Formen und Betätigungsarten aufweisen. In der DE 198 36 648 A1 ist ein solches Abgasrückführventil beschrieben. Es verfügt über zwei auf einer Ventilstellstange angeordnete Ventilschließkörper, die den Fluidstrom aus einem zwischen den Ventilschließkörpern bestehenden Kanal in zwei hinter den Ventilsitzen bestehenden Kanälen steuern, wobei die Kanäle im weiterführenden Verlauf zusammengeführt werden.Exhaust gas recirculation valves used in such devices are well known and can have different shapes and types of actuation. In the DE Such an exhaust gas recirculation valve is described in 198 36 648 A1. It has two valve closing bodies arranged on a valve actuating rod, which shut off the fluid flow a channel existing between the valve closing bodies in two behind the Control valve seats existing channels, the channels in the continuation Course be merged.

Solche Luftansaugkanalsysteme mit angeschlossenem Abgasrückführventil haben den Nachteil, daß die Verbindung zwischen der Abgaseinleitvorrichtung und dem Abgasrückführventil über Rohrleitungen mit dazugehörigen Flansch-, Schraub- oder Steckverbindungen hergestellt wird. Das gleiche Problem ergibt sich bei der Verbindung des Abgasrückführventils mit einem Auslaßkanal eines Zylinderblocks und gegebenenfalls für eine Verbindung zwischen einem Abgasrückführventil und einem Abgaskühler bzw. der Verbindung von diesem Abgaskühler zur Abgaseinleitvorrichtung des Luftansaugkanalsystems. Sowohl die Verbindungen zwischen den Bauteilen Abgasrückführventil, Abgaskühler und Lufteinlaßkanal mit dem Luftansaugkanalsystem als auch die fluidische Verbindung dieser Bauteile untereinander mußte bisher jeweils über Rohrleitungen mit zugehörigen Flansch-, Schraub- oder Steckverbindungen hergestellt werden.Such air intake duct systems with connected exhaust gas recirculation valve have the disadvantage that the connection between the exhaust gas introduction device and the Exhaust gas recirculation valve via pipes with associated flange, screw or Plug connections is made. The same problem arises with the connection the exhaust gas recirculation valve with an exhaust port of a cylinder block and, if necessary for a connection between an exhaust gas recirculation valve and a Exhaust gas cooler or the connection from this exhaust gas cooler to the exhaust gas introduction device of the air intake duct system. Both the connections between the components Exhaust gas recirculation valve, exhaust gas cooler and air intake duct with the air intake duct system as well as the fluidic connection of these components to one another had to date each via pipelines with associated flange, screw or plug connections getting produced.

Daher liegt der Erfindung die Aufgabe zugrunde, den Montageaufwand insbesondere durch Reduzierung der Teileanzahl zu verringern und somit Kosten sowohl in der Herstellung als auch in der Montage zu minimieren.The invention is therefore based on the object, in particular the assembly effort by reducing the number of parts and thus reducing costs both in the Minimize manufacturing as well as assembly.

Diese Aufgabe wird dadurch gelöst, daß das Luftansaugkanalsystem eine Verteilerplatte aufweist, in der ein erster Kanalabschnitt, durch den das Abgas vom Abgasrückführventil wegströmt und zumindest ein zweiter Kanalabschnitt, durch den das Abgas zum Sammeleinlaß hinströmt und über die eine fluidische Verbindung zwischen dem Abgasrückführventil und dem Sammeleinlaß herstellbar ist, angeordnet sind.This object is achieved in that the air intake duct system has a distributor plate has, in which a first channel section through which the exhaust gas from the exhaust gas recirculation valve flows away and at least a second channel section through which the Exhaust gas flows to the collective inlet and via a fluidic connection between the exhaust gas recirculation valve and the collective inlet can be produced, arranged are.

Dadurch kann auf zusätzliche Rohr- oder Schlauchleitungen verzichtet werden, so daß sich Montageaufwand und Teileanzahl reduzieren.This means that there is no need for additional pipe or hose lines, so that assembly effort and number of parts are reduced.

In einer weiterführenden Ausführungsform ist die Verteilerplatte einstückig mit einem Gehäuseunterteil des Luftansaugkanalsystems ausgebildet, was eine weitere Bauteilreduzierung verursacht.In a further embodiment, the distributor plate is integral with one Lower housing part of the air intake duct system is formed, which further reduces the number of components caused.

Das Luftansaugkanalsystem mit der Verteilerplatte ist kostengünstig im Druckgußverfahren herstellbar. Des weiteren entsteht durch diese Bauform ein sehr geringer Bauraumbedarf und ein modularer Aufbau des Luftansaugkanalsystems mit den damit in Verbindung stehenden Bauteilen wird möglich. The air intake duct system with the distributor plate is inexpensive in the die casting process produced. Furthermore, this design results in a very small one Space requirements and a modular structure of the air intake duct system with the related components becomes possible.

Auch die Abgasrückführung vom Zylinderkopf zum Abgasrückführventil kann über einen Abgaskanal, der zumindest teilweise in der Verteilerplatte angeordnet ist, erfolgen, wodurch weitere Bauteile eingespart werden.Exhaust gas recirculation from the cylinder head to the exhaust gas recirculation valve can also be done via an exhaust duct, which is at least partially arranged in the distributor plate, which saves additional components.

An der Seite des Frischlufteinlaßkanals können an der Verteilerplatte ein Deckel und das Abgasrückführventil angeordnet sein, welche die Kanalabschnitte der Verteilerplatte nach außen verschließen, wodurch die Herstellung des gesamten Luftansaugkanalsystems mit Verteilerplatte im Druckgußverfahren erleichtert wird, da einfache Formen verwendet werden können. Dadurch entsteht eine zusätzliche Kostenminimierung im Herstellungsprozeß.On the side of the fresh air inlet duct, a cover and the exhaust gas recirculation valve can be arranged, which the channel sections of the distributor plate seal to the outside, thereby producing the entire air intake duct system with distributor plate in the die-casting process is facilitated because simple Shapes can be used. This creates additional cost minimization in the manufacturing process.

Dieser Deckel weist einen Stutzen auf, der zwischen Frischlufteinlaßkanal und Sammeleinlaß angeordnet ist und zwischen ihnen eine fluidische Verbindung herstellt, gleichzeitig aber in einer besonders günstigen Ausführungsform als Träger der Drosselklappe oder einer Regelklappe dient. Dadurch wird der modulare kostengünstige Aufbau weiter umgesetzt.This cover has a connection piece between the fresh air inlet duct and Is arranged collecting inlet and establishes a fluidic connection between them, but at the same time in a particularly favorable embodiment as a carrier of Throttle valve or a control valve is used. This makes the modular inexpensive Construction continued.

Der Deckel kann dabei entweder einstückig mit einem Gehäuse des Abgasrückführventils oder einstückig mit einem Gehäuse des Drosselklappenstutzens oder der Regelklappe ausgebildet sein. Beide Ausführungen reduzieren weiter die Anzahl der benötigten Bauteile und somit den Herstell- und Montageaufwand.The cover can either be in one piece with a housing of the exhaust gas recirculation valve or in one piece with a housing of the throttle valve connector or the control valve be trained. Both versions further reduce the number of required components and thus the manufacturing and assembly costs.

In einer weiterführenden Ausführungsform wird ein eine Abgaseinleitströmung beeinflussender Strömungsleitkörper im Sammeleinlaß vorgesehen. Dies führt zu einem strömungstechnisch günstigen Verhalten in der Mischung von Abgas und Frischluft, so daß die Zylinder mit einem gleichmäßigen Abgasanteil beaufschlagt werden können.In a further embodiment, an exhaust gas inlet flow is influenced Flow guide body provided in the collective inlet. This leads to one aerodynamically favorable behavior in the mixture of exhaust gas and Fresh air so that the cylinders are treated with an even proportion of exhaust gas can be.

Dazu kann die Verteilerplatte Formelemente aufweisen, die den Strömungsleitkörper bilden. Dieser Strömungsleitkörper kann in einer besonders günstigen Ausführungsform ein sich in Achsrichtung des Frischlufteinlaßkanals und gegen die Strömungsrichtung der Luft erstreckender ringförmiger Absatz in Form einer Ringblende sein, der einen Ringkanal definiert, der fluidisch mit dem Sammeleinlaß durch Durchtrittsöffnungen im ringförmigen Absatz verbunden ist und der durch den Deckel einseitig verschließbar ist oder mit dem Deckel einen Spalt definiert, durch den der zweite Kanalabschnitt mit dem Sammeleinlaßkanal fluidisch verbunden wird.For this purpose, the distributor plate can have shaped elements which form the flow guide body form. In a particularly favorable embodiment, this flow guide body can one in the axial direction of the fresh air inlet duct and against the flow direction the air-extending annular shoulder in the form of an annular diaphragm, which defines an annular channel which is fluid with the collection inlet through passage openings is connected in the annular shoulder and one-sided by the cover is closable or with the lid defines a gap through which the second channel section is fluidly connected to the collecting inlet channel.

Alternativ dazu kann auch der Deckel Formelemente oder Stege aufweisen, die im montierten Zustand mit der Verteilerplatte den Strömungsleitkörper bilden. In einer bevorzugten Ausführungsform stellen die Formelemente des Deckels eine Ringblende dar, die im montierten Zustand mit der Verteilerplatte einen Ringkanal festlegen, der die fluidische Verbindung zwischen dem zweiten Kanalabschnitt und dem Sammeleinlaßkanal über Durchtrittsöffnungen oder einen Spalt zwischen Verteilerplatte und Formelementen herstellt.As an alternative to this, the cover can also have shaped elements or webs, which in assembled state with the distributor plate form the flow guide. In a preferred embodiment, the shaped elements of the cover form an annular diaphragm which, when assembled, define an annular channel with the distributor plate, which is the fluidic connection between the second channel section and the collecting inlet channel through openings or a gap between the distributor plate and form elements.

Diese beschriebenen Ausführungsformen führen bei gleichzeitiger Minimierung der Bauteileanzahl zu und einer Vereinfachung der Montage und Verringerung der Herstellkosten.These described embodiments result in minimizing the Number of components and to simplify assembly and reduce manufacturing costs.

In einer weiterführenden Ausführungsform wird die fluidische Verbindung zwischen Abgasrückführventil und Sammeleinlaß zusätzlich zu den in der Verteilerplatte integrierten Kanalabschnitten über einen Abgaskühler hergestellt. Dadurch kann die Temperatur des Abgases optimal auf die notwendigen Bedingungen des Motors eingestellt werden.In a further embodiment, the fluidic connection between Exhaust gas recirculation valve and collective inlet in addition to those integrated in the distributor plate Duct sections made via an exhaust gas cooler. This allows the Exhaust gas temperature optimally adjusted to the necessary engine conditions become.

In einer besonders günstigen Ausführungsform besteht der Hauptteil des Abgaskühlers aus einem Strangpreßprofil. Dadurch weist der Kühler ein geringes Gewicht auf und es entstehen erhebliche Kostenvorteile gegenüber üblichen Abgaskühlern.In a particularly favorable embodiment, the main part of the exhaust gas cooler consists from an extruded profile. As a result, the cooler is lightweight and there are considerable cost advantages compared to conventional exhaust gas coolers.

Sowohl der Abgasstrom als auch der Kühlmittelstrom sind in diesem Abgaskühler im Gegenstrom mit Vor- und Rücklauf führbar. Dadurch wird die Größe des Kühlers im Vergleich zu bekannten aus Strangpreßprofilen hergestellten Kühlern deutlich reduziert.Both the exhaust gas flow and the coolant flow are in this exhaust gas cooler Counterflow can be carried out with flow and return. This will reduce the size of the cooler Compared to known coolers made from extruded profiles significantly reduced.

In einer bevorzugten Ausführungsform ist der Abgaskühler fest mit dem Luftansaugkanalsystem verbunden und es erfolgt über den ersten Kanalabschnitt die Zufuhr des Abgases zum Abgaskühler, über den zweiten Kanalabschnitt die Abfuhr des Abgases aus dem Abgaskühler und über einen ebenfalls in der Verteilerplatte angeordneten Kanalabschnitt die Umlenkung des Kühlmittelstromes. Die Verteilerplatte ist dann also auch Teil des Abgaskühlers und wird wie die anderen Abgasrückführkanäle durch den Deckel verschlossen. Dies erweitert den modularen Aufbau des Luftansaugkanalsystems und führt zu einer weiteren Vereinfachung der Montage und einer erheblichen Reduzierung der Bauteileanzahl.In a preferred embodiment, the exhaust gas cooler is fixed to the air intake duct system connected and the supply takes place via the first channel section of the exhaust gas to the exhaust gas cooler, via the second channel section, the removal of the exhaust gas out of the exhaust gas cooler and also arranged in the distributor plate Channel section the deflection of the coolant flow. The distribution plate is then also part of the exhaust gas cooler and becomes like the other exhaust gas recirculation channels closed by the lid. This extends the modular structure of the air intake duct system and leads to a further simplification of assembly and one considerable reduction in the number of components.

Am zur Verteilerplatte gegenüberliegenden Ende des Abgaskühlers ist ein zweiter Deckel angeordnet, der Anschlußkanäle für die Kühlmittelzu- und abfuhr und einen Umlenkkanal für den Abgasstrom aufweist, wodurch zusätzliche Anschlußelemente eingespart werden und auf einfache Art und Weise die Umlenkung des Abgasstroms verwirklicht wird.At the end of the exhaust gas cooler opposite the distributor plate is a second one Cover arranged, the connection channels for the coolant supply and discharge and one Deflection channel for the exhaust gas flow, which means additional connection elements be saved and the deflection of the exhaust gas flow in a simple manner is realized.

Durch die Erfindung mit ihrer modularen Bauweise, sehr geringen Teileanzahl und einfach aufgebauten Verbindungen zwischen den Bauteilen wird also der Montageaufwand minimiert und Kosten, nicht zuletzt auch wegen der kostensparenden angewendeten Herstellungsverfahren der einzelnen Bauteile, extrem reduziert. Gleichzeitig verringert sich auch die Anzahl der möglichen Fehler im System, da fast alle Verbindungen vermieden wurden, die sich selbständig lösen könnten.Through the invention with its modular design, very small number of parts and simply constructed connections between the components becomes the assembly effort minimized and costs, not least because of the cost-saving manufacturing process of the individual components, extremely reduced. At the same time, the number of possible errors in the system also decreases, since almost all connections that could separate themselves were avoided.

Ein Ausführungsbeispiel ist in den Zeichnungen dargestellt und wird nachfolgend beschrieben.An embodiment is shown in the drawings and is described below.

Figur 1 zeigt in perspektivischer Darstellung ein erfindungsgemäßes Lauftansaugkanaisystem mit angebautem Abgaskühler und im Luftansaugkanalsystem integrierter Ringblende.Figure 1 shows a perspective view of a Lauftansaugkanaisystem according to the invention with attached exhaust gas cooler and integrated in the air intake duct system Ring diaphragm.

Figur 2 zeigt in perspektivischer Darstellung das Luftansaugkanalsystem mit Abgasrückführventil, Deckel und Drosselklappenstutzen.FIG. 2 shows a perspective view of the air intake duct system with exhaust gas recirculation valve, Cover and throttle body.

Figur 3 zeigt in perspektivischer Darstellung ein Abgasrückführventil in einer besonders günstigen Ausführungsform mit Deckel und Formelementen zur Erzeugung der Ringblende. Figure 3 shows a perspective view of an exhaust gas recirculation valve in a particular favorable embodiment with cover and shaped elements for generating the Ring diaphragm.

Figur 4 zeigt noch einmal in gesprengter Darstellung das erfindungsgemäße zweiteilige Luftansaugkanalsystem mit Abgaskühler und Abgasrückführventil.Figure 4 shows again in an exploded view the two-part according to the invention Air intake duct system with exhaust gas cooler and exhaust gas recirculation valve.

Figur 5 zeigt eine Draufsicht des an das Luftansaugkanalsystem montierten Abgaskühlers.FIG. 5 shows a top view of the exhaust gas cooler mounted on the air intake duct system.

Figur 6 zeigt eine Frontansicht des Abgaskühlers im mittleren Bereich mit Blickrichtung zur Verteilerplatte.FIG. 6 shows a front view of the exhaust gas cooler in the central area with a viewing direction to the distributor plate.

Das dargestellte Luftansaugkanalsystem besteht im wesentlichen aus einem Gehäuseoberteil 1 und einem Gehäuseunterteil 2, welches in der dargestellten Ausführungsform des weiteren eine Verteilerplatte 3 aufweist, die allerdings auch als Einzelteil am Gehäuseunterteil 2 befestigt sein kann. Aufgrund ihrer einfachen Form können das Gehäuseoberteil 1 und -unterteil 2 mit der Verteilerplatte 3 im Druckgußverfahren hergestellt werden.The air intake duct system shown consists essentially of an upper housing part 1 and a lower housing part 2, which in the illustrated embodiment furthermore has a distributor plate 3, which, however, also as an individual part can be attached to the lower housing part 2. Because of their simple shape can the upper housing part 1 and lower part 2 with the distributor plate 3 in the die casting process getting produced.

Das Abgas gelangt vom Zylinderkopf über das Saugrohr bestehend aus Gehäuseober- 1 und -unterteil 2 in einen zu einem Abgasrückführventil 4 führenden Abgaskanal 5. Bei geöffnetem Abgasrückführventil 4 strömt das Abgas weiter durch einen ersten Kanalabschnitt 6 zu einem Abgaskühler 7, wo es im Gegenstrom zum Kühlmedium auf die gewünschte Temperatur abgekühlt wird.The exhaust gas passes from the cylinder head via the intake manifold consisting of 1 and lower part 2 into an exhaust gas duct leading to an exhaust gas recirculation valve 4 5. When the exhaust gas recirculation valve 4 is open, the exhaust gas continues to flow through a first one Channel section 6 to an exhaust gas cooler 7, where it is countercurrent to the cooling medium is cooled to the desired temperature.

In Figur 1 sind ein Kühlmediumzulauf 8 und ein Kühlmediumablauf 9 zu erkennen. Die Umlenkung des Kühlmediumstroms erfolgt dabei über die Verteilerplatte 3. Nach Durchströmen des Abgaskühlers 7 gelangt das Abgas über einen zweiten Kanalabschnitt 10 in einen Ringkanal 11, von wo aus es in den Bereich eines Sammeleinlasses 12 des Luftansaugkanalsystems strömen kann. Hier vermischt es sich mit der Ansaugluft, die über eine Drosselklappe 13 geregelt wird und von einem Frischlufteinlaßkanal 14 über einen Drosselklappenstutzen 15 in den Bereich des Sammeleinlasses 12 strömt. Ein Deckel 16 verschließt die Kanalabschnitte 5, 6, 10 und 11 sowie den Abgaskühler 7. In der hier dargestellten Ausführungsform wird der Ringkanal 11 durch einen sich in Achsrichtung eines Frischlufteinlaßkanals 14 und gegen die Strömungsrichtung der Luft erstreckenden ringförmigen Absatz eines Strömungsleitkörpers 17 in Form einer Ringblende definiert. Dieser Strömungsleitkörper 17 weist Formelemente in Form von Stegen 18 auf, durch deren Durchtrittsöffnungen bzw. Zwischenräume 19 nach Verschließen der Verteilerplatte 3 durch den Deckel 16 das Abgas vom Abgaskanal 10 zum Sammeleinlaß 12 strömen kann.A cooling medium inlet 8 and a cooling medium outlet 9 can be seen in FIG. The cooling medium flow is deflected via the distributor plate 3 The exhaust gas passes through the exhaust gas cooler 7 via a second channel section 10 in an annular channel 11, from where it is in the area of a collective inlet 12 of the air intake duct system can flow. Here it mixes with the Intake air, which is regulated via a throttle valve 13 and from a fresh air inlet duct 14 via a throttle valve connector 15 in the area of the collective inlet 12 streams. A cover 16 closes the channel sections 5, 6, 10 and 11 and the exhaust gas cooler 7. In the embodiment shown here, the Ring channel 11 through a in the axial direction of a fresh air inlet channel 14 and against the flow direction of the air extending annular shoulder of a Flow guide body 17 defined in the form of an annular diaphragm. This flow guide 17 has shaped elements in the form of webs 18, through the passage openings or spaces 19 after closing the distributor plate 3 through the cover 16 the exhaust gas can flow from the exhaust duct 10 to the collecting inlet 12.

Des weiteren sind an der Verteilerplatte 3 die verschiedenen Anschlußflansche und Bohrungen für das Abgasrückführventil 4 bzw. den Deckel 16, der einen Stutzen 19 aufweist, der gleichzeitig als Drosselklappenstutzen 15 dienen kann, zu erkennen.Furthermore, the various connecting flanges and Bores for the exhaust gas recirculation valve 4 or the cover 16, which has a nozzle 19 has, which can simultaneously serve as a throttle valve connector 15.

In Figur 3 ist ein Gehäuse 20 des Abgasrückführventils 4 dargestellt, welches einstückig mit dem Deckel 16 ausgebildet ist und in dieser den Ringkanal 11 auf andere Weise festlegenden Ausführungsform des weiteren Stege beziehungsweise Formelemente 18' aufweist, die mit den Wandungen des Sammeleinlasses 12 der Verteilerplatte 3 einen Strömungsleitkörper 17' bilden und den Ringkanal 11 mit Durchtrittsöffnungen 19' definieren. In dieser Ausführung handelt es sich um ein Doppeltellerventil, so daß zwei Auslasskanäle 21, 22 über einen Kurzschlußkanal 23 miteinander in fluidischer Verbindung stehen. Der Auslasskanal steht im montierten Zustand in fluidischer Verbindung zu dem Kanal 6 der Verteilerplatte 3. Ein Einlaßkanal 24 des AGR-Ventils 4 befindet sich in dieser Ausführung zwischen den beiden Auslaßkanälen 21, 22 und steht nach der Montage in fluidischer Verbindung zu Kanal 5 der Verteilerplatte 3.In Figure 3, a housing 20 of the exhaust gas recirculation valve 4 is shown, which is in one piece is formed with the lid 16 and in this the annular channel 11 to others Way defining embodiment of the further webs or shaped elements 18 ', with the walls of the collecting inlet 12 of the distributor plate 3 form a flow guide body 17 'and the annular channel 11 with through openings Define 19 '. This version is a double plate valve, so that two outlet channels 21, 22 with one another via a short-circuit channel 23 to be in fluid communication. The outlet duct is in the assembled state in fluid communication with the channel 6 of the distributor plate 3. An inlet channel 24 of the EGR valve 4 is in this embodiment between the two outlet channels 21, 22 and is in fluid communication with channel 5 after installation the distributor plate 3.

In Figur 4 sind noch einmal das Gehäuseoberteil 1, das Gehäuseunterteil 2 mit zugehöriger Verteilerplatte 3 sowie der Abgaskühler 7 und das Abgasrückführventil 4 mit integriertem Deckel 16 im nicht zusammengebauten Zustand schematisch dargestellt. In dieser Darstellung ist ebenso wie in Figur 1 zu erkennen, daß die Stege 18 des Ringkanals 11 in dieser Ausführungsform Teil der Verteilerplatte 3 sind und der Ringkanal 11 lediglich durch den Stutzen 19, der Teil des Deckels 16 ist, verschlossen wird.In Figure 4, the upper housing part 1, the lower housing part 2 with associated Distribution plate 3 and the exhaust gas cooler 7 and the exhaust gas recirculation valve 4 with integrated lid 16 shown schematically in the unassembled state. In this representation, as in FIG. 1, it can be seen that the webs 18 of the ring channel 11 in this embodiment are part of the distributor plate 3 and the annular channel 11 is closed only by the connector 19, which is part of the cover 16 becomes.

In Figur 5 ist die schematische Darstellung des angebauten Abgaskühlers 7 zu erkennen, der in seinem mittleren Bereich 25 aus einem Strangpreßprofil 26 besteht und auf der einen Seite an die Verteilerplatte 3 angeschlossen wird, die wiederum durch den Deckel 16 verschlossen wird und einen Kanalabschnitt 27 zur Umlenkung des Kühlmediums beinhaltet und an der anderen Seite durch einen zweiten Deckel 28 verschlossen wird, der sowohl den Kühlmediumzulauf 8 und den Kühlmediumablauf 9 als auch die Umlenkung des Abgasstromes beinhaltet. Dieser Deckel 28 wird über Schrauben 29 am mittleren Bereich 25 des Abgaskühlers 7 angeschlossen.FIG. 5 shows the schematic representation of the attached exhaust gas cooler 7, which consists of an extruded profile 26 in its central region 25 and is connected on one side to the distributor plate 3, which in turn is closed by the cover 16 and a channel section 27 for deflection of the cooling medium and on the other side through a second cover 28 is closed, both the cooling medium inlet 8 and the cooling medium outlet 9 as well as the deflection of the exhaust gas stream. This lid 28 is connected via screws 29 to the central area 25 of the exhaust gas cooler 7.

In Figur 6 ist das Strangpreßprofil 26 des Abgaskühlers 7 dargestellt. Der hohe mögliche Wärmeübergang durch Rippen 30 des Strangpreßprofils 26 ist genauso zu erkennen wie ein Vor-31 und Rücklauf 32 des Kühlmittels und ein Vor- 33 und Rücklauf 34 des Abgases.In Figure 6, the extruded profile 26 of the exhaust gas cooler 7 is shown. The high possible Heat transfer through ribs 30 of the extruded profile 26 can also be seen like a forward-31 and return 32 of the coolant and a forward-33 and return 34 of the exhaust gas.

Mit diesen erfindungsgemäßen Ausführungen liegen Konstruktionen vor, die zu einer Reduzierung der Anzahl der Bauteile führen und gleichzeitig einfach herstellbar und montierbar sind. Dadurch werden große Kostenvorteile erzielt. Es sollte klar sein, daß die Zusammenfassung der verschiedenen Bauteile zu Baugruppen, die in einem Verfahrensschritt zu fertigen sind, in unterschiedlicher Weise ausgeführt werden kann, genauso wie die Ausführungsformen der einzelnen Bauteile bzw. Baugruppen unterschiedlich gewählt werden können, wobei solche Änderungen keine Auswirkungen auf den Schutzbereich der Erfindung haben.With these designs according to the invention there are constructions which lead to a Reduction in the number of components lead and at the same time easy to manufacture and are mountable. This results in great cost advantages. It should be clear that the combination of the various components into assemblies, which in one Process step to be manufactured can be carried out in different ways can, just like the embodiments of the individual components or assemblies can be selected differently, such changes having no effect to have the scope of the invention.

Claims (18)

Luftansaugkanalsystem mit einer Abgaseinleitvorrichtung für eine Verbrennungskraftmaschine, wobei das Luftansaugkanalsystem im wesentlichen aus einem zumindest einteiligen Gehäuse besteht und einen Sammeleinlaß aufweist, der mit einem Frischlufteinlaßkanal zusammenwirkt, in dem eine Drosselklappe angeordnet sein kann und mit einem im Luftansaugkanalsystem angeordneten Abgaseinlaß, der fluidisch mit einem Abgasrückführventil verbunden ist, dadurch gekennzeichnet, daß das Luftansaugkanalsystem eine Verteilerplatte (3) aufweist, in der ein erster Kanalabschnitt (6), durch den das Abgas vom Abgasrückführventil wegströmt und zumindest ein zweiter Kanalabschnitt (10), durch den das Abgas zum Sammeleinlaß strömt und über die eine fluidische Verbindung zwischen dem Abgasrückführventil (4) und dem Sammeleinlaß (12) herstellbar ist, angeordnet sind.Air intake duct system with an exhaust gas introduction device for an internal combustion engine, the air intake duct system essentially consisting of an at least one-piece housing and having a collective inlet which interacts with a fresh air intake duct, in which a throttle valve can be arranged and with an exhaust gas inlet arranged in the air intake duct system, which is fluid with an exhaust gas recirculation valve , characterized in that the air intake duct system has a distributor plate (3) in which a first duct section (6) through which the exhaust gas flows away from the exhaust gas recirculation valve and at least a second duct section (10) through which the exhaust gas flows to the collective inlet and over a fluidic connection between the exhaust gas recirculation valve (4) and the collection inlet (12) can be arranged. Luftansaugkanalsystem nach Anspruch 1, dadurch gekennzeichnet, daß die Verteilerplatte (3) einstückig mit einem Gehäuseunterteil (2) ausgebildet ist.Air intake duct system according to claim 1, characterized in that the distributor plate (3) is formed in one piece with a lower housing part (2). Luftansaugkanalsystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Luftansaugkanalsystem mit der Verteilerplatte (3) im Druckgußverfahren herstellbar ist.Air intake duct system according to claim 1 or 2, characterized in that the air intake duct system with the distributor plate (3) can be produced by the die casting process. Luftansaugkanalsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Abgasrückführung vom Zylinderkopf zum Abgasrückführventil (4) über einen Abgaskanal (5), der zumindest teilweise in der Verteilerplatte (3) angeordnet ist, erfolgt. Air intake duct system according to one of the preceding claims, characterized in that the exhaust gas recirculation from the cylinder head to the exhaust gas recirculation valve (4) takes place via an exhaust gas duct (5) which is at least partially arranged in the distributor plate (3). Luftansaugkanalsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß an der Seite des Frischlufteinlaßkanals (14) an der Verteilerplatte (3) ein Deckel (16) und das Abgasrückführventil (4) angeordnet sind, die die Kanalabschnitte (5, 6, 10) der Verteilerplatte (3) nach außen verschließen.Air intake duct system according to one of the preceding claims, characterized in that on the side of the fresh air inlet duct (14) on the distributor plate (3) a cover (16) and the exhaust gas recirculation valve (4) are arranged, which cover the duct sections (5, 6, 10) Close the distributor plate (3) on the outside. Luftansaugkanalsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Deckel (16) einen Stutzen (19) aufweist, der zwischen Frischlufteinlaßkanal (14) und Sammeleinlaß (12) angeordnet ist, zwischen ihnen eine fluidische Verbindung herstellt und gleichzeitig als Träger der Drosselklappe (13) oder einer Regelklappe dient.Air intake duct system according to one of the preceding claims, characterized in that the cover (16) has a connecting piece (19) which is arranged between the fresh air inlet duct (14) and the collecting inlet (12), establishes a fluidic connection between them and at the same time acts as a carrier for the throttle valve ( 13) or a control valve. Luftansaugkanalsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Deckel (16) mit einem Gehäuse (20) des Abgasrückführventils (4) einstückig ausgebildet ist.Air intake duct system according to one of the preceding claims, characterized in that the cover (16) is formed in one piece with a housing (20) of the exhaust gas recirculation valve (4). Luftansaugkanalsystem nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Deckel (16) mit einem Gehäuse des Drosselklappenstutzens (15) oder Regelklappe einstückig ausgebildet ist.Air intake duct system according to one of claims 1 to 6, characterized in that the cover (16) is formed in one piece with a housing of the throttle valve connector (15) or control valve. Luftansaugkanalsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ein einen Abgaseinleitstrom beeinflussender Strömungsleitkörper (17,17') im Sammeleinlaß vorgesehen ist.Air intake duct system according to one of the preceding claims, characterized in that a flow guide body (17, 17 ') influencing an exhaust gas inlet flow is provided in the collecting inlet. Luftansaugkanalsystem nach Anspruch 9, dadurch gekennzeichnet, daß die Verteilerplatte (3) Formelemente (18) aufweist, die den Strömungsleitkörper (17) bilden. Air intake duct system according to claim 9, characterized in that the distributor plate (3) has shaped elements (18) which form the flow guide body (17). Luftansaugkanalsystem nach Anspruch 10, dadurch gekennzeichnet, daß der Strömungsleitkörper (17) ein sich in Achsrichtung des Frischlufteinlaßkanals (14) und gegen die Strömungsrichtung der Luft erstreckender ringförmiger Absatz in Form einer Ringblende ist, der einen Ringkanal (11) definiert, der fluidisch mit dem Sammeleinlaß (12) durch Durchtrittsöffnungen (19) im ringförmigen Absatz verbunden ist und der durch den Deckel (16) einseitig verschließbar ist oder mit dem Deckel (16) einen Spalt definiert, wodurch der zweite Kanalabschnitt (10) mit dem Sammeleinlaß (12) fluidisch verbunden ist.Air intake duct system according to Claim 10, characterized in that the flow guide body (17) is an annular shoulder in the form of an annular orifice which extends in the axial direction of the fresh air inlet duct (14) and against the flow direction of the air and which defines an annular duct (11) which is fluidly connected to the Collective inlet (12) is connected by passage openings (19) in the annular shoulder and which can be closed on one side by the lid (16) or defines a gap with the lid (16), whereby the second channel section (10) with the collecting inlet (12) is fluid connected is. Luftansaugkanalsystem nach Anspruch 9, dadurch gekennzeichnet, daß der Deckel (16) Formelemente (18') aufweist, die im montierten Zustand mit der Verteilerplatte (3) den Strömungsleitkörper (17') bilden.Air intake duct system according to claim 9, characterized in that the cover (16) has shaped elements (18 ') which, in the assembled state, form the flow guide body (17') with the distributor plate (3). Luftansaugkanalsystem nach Anspruch 12, dadurch gekennzeichnet, daß die Formelemente (18') des Deckels (16) eine Ringblende darstellen, die im montierten Zustand mit der Verteilerplatte (3) einen Ringkanal (11) festlegen, der eine fluidische Verbindung zwischen dem zweiten Kanalabschnitt (10) und dem Sammeleinlaßkanal (12) über Durchtrittsöffnungen (19') oder einen Spalt zwischen Verteilerplatte (3) und Formelementen (18') herstellt.Air intake duct system according to claim 12, characterized in that the shaped elements (18 ') of the cover (16) represent an annular diaphragm which, in the assembled state, define an annular duct (11) with the distributor plate (3) which provides a fluidic connection between the second duct section ( 10) and the collecting inlet channel (12) via passage openings (19 ') or a gap between the distributor plate (3) and shaped elements (18'). Luftansaugkanalsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die fluidische Verbindung zwischen Abgasrückführventil (4) und Sammeleinlaß (12) zusätzlich über einen Abgaskühler (7) herstellbar ist.Air intake duct system according to one of the preceding claims, characterized in that the fluidic connection between the exhaust gas recirculation valve (4) and the collective inlet (12) can additionally be established via an exhaust gas cooler (7). Luftansaugkanalsystem nach Anspruch 14, dadurch gekennzeichnet, daß der mittlere Bereich (25) des Abgaskühlers (7) aus einem Strangpreßprofil (26) besteht.Air intake duct system according to claim 14, characterized in that the central region (25) of the exhaust gas cooler (7) consists of an extruded profile (26). Luftansaugkanalsystem nach Anspruch 14 oder 15, dadurch gekennzeichnet, daß der Abgasstrom und ein Kühlmittelstrom im Gegenstrom mit Vor- (31,33) und Rücklauf (32,34) führbar sind. Air intake duct system according to claim 14 or 15, characterized in that the exhaust gas flow and a coolant flow can be conducted in countercurrent with forward (31,33) and return (32,34). Luftansaugkanalsystem nach einem der Ansprüche 14 bis 16, dadurch gekennzeichnet, daß der Abgaskühler (7) fest mit dem Luftansaugkanalsystem verbunden ist und über den ersten Kanalabschnitt (6) die Zufuhr des Abgases zum Abgaskühler (7), über den zweiten Kanalabschnitt (10) die Abfuhr des Abgases aus dem Abgaskühler und über einen ebenfalls in der Verteilerplatte (3) angeordneten Kanalabschnitt (27) die Umlenkung des Kühlmittelstromes erfolgt.Air intake duct system according to one of claims 14 to 16, characterized in that the exhaust gas cooler (7) is fixedly connected to the air intake duct system and via the first duct section (6) the supply of the exhaust gas to the exhaust gas cooler (7), via the second duct section (10) The exhaust gas is removed from the exhaust gas cooler and the coolant flow is deflected via a channel section (27) which is also arranged in the distributor plate (3). Luftansaugkanalsystem nach einem der Ansprüche 14 bis 17, dadurch gekennzeichnet, daß am zur Verteilerplatte (3) gegenüberliegenden Ende des Abgaskühlers (7) ein zweiter Deckel (28) angeordnet ist, der Anschlußkanäle (8, 9) für die Kühlmittelzufuhr und -abfuhr und einen Umlenkkanal für den Abgasstrom aufweist.Air intake duct system according to one of claims 14 to 17, characterized in that a second cover (28) is arranged at the end of the exhaust gas cooler (7) opposite the distributor plate (3), the second cover (28, 9) for the coolant supply and removal and one Deflecting channel for the exhaust gas flow.
EP03005658A 2002-06-25 2003-03-13 Air intake system Withdrawn EP1375896A3 (en)

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DE10228247 2002-06-25
DE10228247.1A DE10228247B4 (en) 2002-06-25 2002-06-25 The air intake channel

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GB2487591A (en) * 2011-01-28 2012-08-01 Gm Global Tech Operations Inc An EGR cooler located in an air intake manifold
CN104343582A (en) * 2013-08-07 2015-02-11 大众汽车有限公司 Functional module for engine
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FR3030637A1 (en) * 2014-12-22 2016-06-24 Valeo Systemes De Controle Moteur POWER SUPPLY MODULE FOR A COMBUSTION ENGINE HAVING A COOLING CHANNEL

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WO2005024220A1 (en) * 2003-09-05 2005-03-17 Pierburg Gmbh Air-intake duct system for a combustion engine
US7207324B2 (en) 2003-09-05 2007-04-24 Pierburg Gmbh Air-intake duct system for a combustion engine
EP1600624A1 (en) * 2004-05-25 2005-11-30 Mark IV Systemes Moteurs (Société Anonyme) Integrated air inlet module and its manufacturing process
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EP1764500A1 (en) * 2005-09-16 2007-03-21 Renault s.a.s. Air intake manifold incorporating a part of an EGR circuit and IC engine comprising such air intake manifold
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FR2921592A1 (en) * 2007-09-28 2009-04-03 Gie Rencast Groupement D Inter Aluminum alloy casting for recycled exhaust gas processing assembly of motor vehicle, has longitudinal internal conduit provided for passing exhaust gas, and cavity communicating with inlet orifice to receive coolant to cool casting
WO2011076538A1 (en) * 2009-12-21 2011-06-30 Valeo Systemes Thermiques Gas supply module for a motor vehicle engine, assembly of an engine head and such a module and heat engine comprising such an assembly
FR2954413A1 (en) * 2009-12-21 2011-06-24 Valeo Systemes Thermiques GAS SUPPLY MODULE OF A MOTOR VEHICLE MOTOR, ASSEMBLY OF A CYLINDER HEAD OF AN ENGINE AND SUCH A MODULE AND THERMAL MOTOR COMPRISING SUCH AN ASSEMBLY.
CN101943093B (en) * 2010-10-14 2012-01-25 张珊 Distribution auxiliary device of engine
CN101943093A (en) * 2010-10-14 2011-01-12 张珊 Distribution auxiliary device of engine
GB2487591A (en) * 2011-01-28 2012-08-01 Gm Global Tech Operations Inc An EGR cooler located in an air intake manifold
GB2487591B (en) * 2011-01-28 2016-07-20 Gm Global Tech Operations Llc Internal Combustion Engine Having a Cooler Located in an Intake Manifold
CN104343582A (en) * 2013-08-07 2015-02-11 大众汽车有限公司 Functional module for engine
CN104343582B (en) * 2013-08-07 2018-04-24 大众汽车有限公司 Function module for engine
FR3028566A1 (en) * 2014-11-14 2016-05-20 Valeo Systemes Thermiques INTAKE MANIFOLD, ASSEMBLY COMPRISING SAID INTAKE MANIFOLD AND COOLING SYSTEM COMPRISING SUCH A SUITABLE ASSEMBLY FOR AN ACTUATOR WITHIN A MOTOR VEHICLE
FR3030637A1 (en) * 2014-12-22 2016-06-24 Valeo Systemes De Controle Moteur POWER SUPPLY MODULE FOR A COMBUSTION ENGINE HAVING A COOLING CHANNEL
WO2016102862A1 (en) * 2014-12-22 2016-06-30 Valeo Systemes De Controle Moteur Supply module for combustion engine, comprising a cooling channel

Also Published As

Publication number Publication date
EP1375896A3 (en) 2007-01-17
DE10228247A1 (en) 2004-01-15
DE10228247B4 (en) 2014-05-15

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