EP1533512A2 - Intake device for an internal combustion engine - Google Patents

Intake device for an internal combustion engine Download PDF

Info

Publication number
EP1533512A2
EP1533512A2 EP04026887A EP04026887A EP1533512A2 EP 1533512 A2 EP1533512 A2 EP 1533512A2 EP 04026887 A EP04026887 A EP 04026887A EP 04026887 A EP04026887 A EP 04026887A EP 1533512 A2 EP1533512 A2 EP 1533512A2
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
fresh gas
distribution channel
distributor
intake system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04026887A
Other languages
German (de)
French (fr)
Other versions
EP1533512B1 (en
EP1533512A3 (en
Inventor
Andreas GRÜNER
Robert Sendor
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.)
Mahle Filtersysteme GmbH
Original Assignee
Mahle Filtersysteme 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34428809&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1533512(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mahle Filtersysteme GmbH filed Critical Mahle Filtersysteme GmbH
Priority to EP07118191A priority Critical patent/EP1870591B1/en
Publication of EP1533512A2 publication Critical patent/EP1533512A2/en
Publication of EP1533512A3 publication Critical patent/EP1533512A3/en
Application granted granted Critical
Publication of EP1533512B1 publication Critical patent/EP1533512B1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • F02M35/104—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
    • F02M26/13—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
    • F02M26/13—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
    • F02M26/23—Layout, e.g. schematics
    • F02M26/25—Layout, e.g. schematics with coolers having bypasses
    • 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
    • F02M26/23—Layout, e.g. schematics
    • F02M26/28—Layout, e.g. schematics with 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
    • F02M26/22—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
    • F02M26/42—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10026—Plenum chambers
    • F02M35/10052—Plenum chambers special shapes or arrangements of plenum chambers; Constructional details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10144—Connections of intake ducts to each other or to another device
    • 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
    • F02M35/10288—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
    • F02M35/10354—Joining multiple sections together
    • 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
    • F02M35/1045—Intake manifolds characterised by the charge distribution between the cylinders/combustion chambers or its homogenisation
    • 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
    • F02M26/12—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems characterised by means for attaching parts of an EGR system to each other or to engine parts

Definitions

  • the present invention relates to a suction system for a Internal combustion engine, in particular in a motor vehicle.
  • Such a suction system is used for fresh gas supply of Cylinders of the internal combustion engine.
  • a suction system is used for fresh gas supply of Cylinders of the internal combustion engine.
  • a common Fresh gas distributor the fresh gas input side of a receives individual supply pipe and the output side of the feeds or distributed to assigned cylinders.
  • the fresh gas distributor has for each assigned Cylinder at least one fresh gas outlet in the assembled state of the intake system with a corresponding Fresh gas inlet communicates, in the engine block of the internal combustion engine is formed and in the combustion chamber of the respective cylinder leads.
  • Modern internal combustion engines can be equipped with an exhaust gas recirculation device, in the following EGR device equipped be that at least in certain operating conditions of the Internal combustion engines a partial flow of exhaust gases from the exhaust system the internal combustion engine branches off and in the Internal combustion engine fed back fresh gas.
  • the exhaust gas recirculation usually takes place relatively far upstream of the fresh gas outlets and in particular upstream of the fresh gas distributor, up to the fresh gas outlets the best possible mixing of the exhaust gases with the fresh gas to achieve.
  • the exhaust gas recirculation to Initiation of the exhaust gases into the intake system to the aforementioned Supply pipe connected to the fresh gas distributor leads. With the help of a fuel return can for certain operating conditions of the internal combustion engine Pollutant emissions are reduced.
  • the present invention deals with the problem for an intake system of the type mentioned an improved Specify an embodiment, for example, a compact design allows and / or beneficial for the power and / or emissions of the internal combustion engine effect.
  • the present invention is based on the general idea the exhaust gases as close as possible to all Frischgasaustritten of the fresh gas distributor into the intake system.
  • the invention uses a distribution channel, which is arranged on the fresh gas distributor so that He along all fresh gas outlets, this Fresh gas distributor are assigned extends. This means, at the fresh gas spills, in a row next to each other are arranged adjacent, the distribution channel extends from the first to the last fresh gas outlet this Line.
  • This design allows the recirculated exhaust gases through the distribution channel immediately upstream of each individual Fresh gas outlet initiated in the fresh gas distributor become. As the recirculated exhaust gas to the individual fresh gas outlets is distributed, results for the individual Cylinder each a sufficient mixing between Fresh gas and recirculated exhaust gas.
  • An essential advantage of the construction according to the invention is seen in that by the immediate proximity of the distribution channel to the fresh gas leaks the operating behavior the internal combustion engine with regard to the exhaust gas recirculation adapted much faster to changed boundary conditions can be. For example, a change in the affects Exhaust gas recirculation rate, in the following EGR rate, considerably faster on the performance of the internal combustion engine from, since the fresh gas distributor always only a relatively small Volume with the previous EGR rate contains.
  • the distribution channel can through several separate return openings communicate with the fresh gas distributor, the Return openings along the distribution channel with respect to the
  • the cylinder associated with the fresh gas manifold is selectively positioned are, and preferably with regard to a short flow path from the respective return opening to selected cylinder. Due to this design, the exhaust gas recirculation takes place not even over the entire extent the distribution channel, but specifically in the places where the recirculated exhaust gases on the shortest route to the respective Cylinder arrive. This construction increases again the responsiveness of the internal combustion engine in terms on a change in the EGR rate.
  • a modern fresh gas distributor can be assigned for each one Cylinder two juxtaposed fresh gas outlets, namely one main outlet and one each Secondary outlet, exhibit.
  • two fresh gas outlets per cylinder it is possible in each cylinder or to produce a layer charge in its separation space, whereby e.g. with a swirl flow and / or with a Tumbleströmung is worked.
  • the Additional exit can be controlled additionally.
  • Such Stratified charge technology is well known and must therefore will not be explained in detail.
  • the suction system according to the invention can now the Return openings along the distribution channel with respect to the Main exits or selective with regard to side exits be positioned, especially with regard to a short flow path from the respective return opening from the selected exit.
  • an inventive Intake system 1 at least one fresh gas distributor 2, the more Cylinders of an internal combustion engine, not shown here is assigned, in particular in a motor vehicle can be arranged.
  • the fresh gas distributor 2 is the input side connected to a supply pipe 3, which is of the Internal combustion engine sucked or driven by a supercharger Fresh air feeds the fresh gas distributor 2. at The embodiment shown here forms part of the feed tube 3 an integral part of the fresh gas distributor 2. In the fresh gas distributor 2 is now the division the fresh gas supplied to the fresh gas distributor 2 associated cylinder.
  • the fresh gas distributor has 2 for each associated cylinder at least one fresh gas outlet 4.
  • the fresh gas distributor has 2 for each cylinder two fresh gas outlets, namely one each Main outlet 4a and a side outlet 4b.
  • a stratified charge technique e.g. in conjunction with a Swirl and / or tumble flow, works.
  • the fresh gas distributor 2 shown here is thus four cylinders associated, which are arranged in series. Unless the Internal combustion engine is a four-cylinder engine, comes the Suction unit 1 with the fresh gas distributor 2 shown off. Provided However, it is in the internal combustion engine to a V8 engine each of which has four cylinders in two cylinder banks own, the fresh gas distributor 2 shown here is the one Cylinder bank assigned, so that the intake 1 still another, not shown here, essentially mirror-symmetrical constructed fresh gas distributor 2 has.
  • the fresh gas outlets 4 are arranged side by side and lie essentially in one plane. In this level takes place also the connection of the fresh gas distributor 2 to the Engine block of the internal combustion engine.
  • the Fresh gas distributor 2 in the plane of the fresh gas outlets 4 equipped with a flange 5, the one for each cylinder Flange section 6, each with two through holes 7 has. Through the passage openings 7, each flange portion 6 bolted to the engine block top and bottom become.
  • the flange 5 is suitably in one piece in the Fresh gas distributor 2 integrated.
  • Figs. 1 and 2 are also essential components of a Exhaust gas recirculation device 8 can be removed, in particular an exhaust gas cooler 9, a switching valve 10 and an exhaust gas recirculation valve 11, hereinafter referred to as EGR valve 11.
  • the fresh gas distributor 2 also provided with a distribution channel 12, although at Fresh gas distributor 2 is arranged or formed, however at least functionally a part of the EGR device 8 forms.
  • the distribution channel 12 at the fresh gas distributor 2 positioned so that it is adjacent to all Frischgasaustritten 4 of the fresh gas distributor 2 arranged is.
  • the elongated distribution channel 12 extends itself parallel to the level of fresh gas outlets 4.
  • the arrangement of the distribution channel 12 takes place so close as possible at the fresh gas outlets 4.
  • the distribution channel 2 is immediately with its exit side arranged upstream of outlet funnels 13, the are formed in the fresh gas distributor 2, and in each case to a Fresh gas outlet 4 or to a pair belonging together Outlets 4a and 4b converge.
  • the distribution channel 12 communicates with the fresh gas distributor 2.
  • the distribution channel 12 contains the distribution channel 12 at its Exit side, for example, several return openings 14, over which the interior of the distribution channel 12 with the interior the fresh gas distributor 2 fluidly connected is.
  • return openings 14 are for communication between distribution channel 12 and fresh gas distributor 2 provided a plurality of separate return openings 14, along the distribution channel 12 cylinder selective is positioned. This means that each return opening 14th immediately upstream of the respectively associated fresh gas outlet 4 is positioned. This results in a possible short flow path from the respective return opening 14 to the respective fresh gas outlet 4 and thus to to the selected cylinder.
  • each two return openings 14 each associated with a cylinder.
  • the return openings associated with the same cylinder 14 are shown in FIG. 3, for example, centrally to the associated Outlet funnel aligned.
  • each cylinder Main outlet 4a and a secondary outlet 4b is assigned can be the positioning of the separately designed return openings 14 in a particular embodiment of the invention Intake system 1 also with respect to each the main exit 4a or alternatively in each case with regard to the side exits 4b are selective.
  • the Positioning then each with regard to a possible short flow path from the respective return opening 14th up to the respectively selected main outlet 4a or secondary outlet 4b optimized.
  • the cylinder-selective or the exit-selective positioning the return openings 14 each represent particular embodiments of the present invention.
  • the exit side of the distribution channel 12 can also be equipped in this way Be that over the entire length of the distribution channel 12 is a substantially uniform exhaust gas recirculation formed in the exhaust manifold 2.
  • the exit side through a porous wall or the like to form.
  • the distribution channel 12 in one piece in the fresh gas distributor 2 integrated, that is, the distribution channel 12 forms a integral part of the fresh gas distributor 2.
  • the fresh gas distributor 2 together with the Distribution channel 12 as an integral casting, in particular from Plastic or metal, be configured.
  • the distribution channel 12 in cross-section a U-profile one, the one away from the interior of the fresh gas distributor 2 directed open side 15 and a the interior of the fresh gas distributor 2 facing U-base 16 has.
  • the U-base 16 the communication between distribution channel takes place 12 and fresh gas distributor 2.
  • the return openings 14 formed in the U-base 16 are.
  • the open side 15 of the distribution channel 12 is here by means of a cover plate 17 is closed.
  • the cover plate 17 is screwed here with the fresh gas distributor 2, what through Screw 18 is indicated.
  • the cover plate 17 laterally projecting eyes 19 formed, the are penetrated by the respective screws 18.
  • the switching valve 10 has the EGR device 8 an input 20 and two outputs, namely a first output 21 and a second output 22 Input 20 is here directly to an output side 23 of EGR valve 11 is connected, the input side 24 to a not shown here exhaust gas supply line of the EGR device 8 is connected, in turn, to the exhaust sampling point on the exhaust tract of the internal combustion engine leads.
  • the input 20 is indirectly to the exhaust gas supply line connected, in which the EGR valve 11 is arranged is.
  • the first output 21 of the switching valve 10 is here directly connected to the distribution channel 12, through the cover plate 17 therethrough.
  • the cover plate 17 together with a housing 25 of the switching valve 10 made in one piece, that is, the cover plate 17 is in the housing 25th integrated.
  • the housing 25 is together with the cover plate 17 as a cast component, in particular made of plastic or metal.
  • the second output 22 of the switching valve 10 is to an exhaust gas inlet 26 of the exhaust cooler 9 connected.
  • An exhaust outlet 27 of the exhaust gas cooler 9 is through the cover plate 17 therethrough also connected to the distribution channel 12. in the Inside the exhaust gas cooler 9, an exhaust path leads from the exhaust gas inlet 26 to the exhaust outlet 27th
  • the switching valve 10 can now at least between two Switch positions are switched.
  • first end position is a valve body 28 of the Switching valve 10 in a valve seat 29, which is in the range of first output 21 is arranged so that in this first End position of the first output 21 is closed while the second output 22 is open.
  • the Switching valve 10 in a first switching position of the input 20 connected to the second output 22 so that the over the EGR valve 11 exhaust gases supplied to the exhaust gas cooler. 9 flow through and through the exhaust outlet 27 into the distribution channel 12 enter. This will be the repatriated Exhaust gases cooled before their entry into the fresh gas distributor 2.
  • An exhaust gas cooling can with regard to the combustion behavior and the power delivery of the internal combustion engine be beneficial.
  • the switching valve 10 has a second switching position, in which the valve body 28 of his seat 29 is more or less lifted and thus the first output 21 releases. In the second, not shown Switching position, the valve body 28, the connection between Lock input and second output 22.
  • a sufficient Flow resistance in the exhaust path of the exhaust gas cooler Figure 9 is such a blockage of the connection between input 20 and second output 22 usually not required because the exhaust gas flow by itself the path of the least Resistance goes, allowing the flow through the exhaust gas cooler 9 with open first output 21 significantly or completely declining.
  • the recirculated exhaust gases flow thus from the input 20 to the first output 21 and thus on a short path from the EGR valve 11 to the distribution channel 12. Die recirculated exhaust gases are then uncooled and can so the Add additional heat to internal combustion engine. This can too required for larger diesel engines after warming up be when these are in part-load operation due to their favorable Efficiency to generate less heat.
  • the respective switching valve 10th can then set at least one additional intermediate position be designed in which the exhaust gases from the entrance 20 both through the first output 21 and through the second output 22 are performed.
  • the particular embodiment shown here is distinguished also characterized in that the first output 21 of the switching valve 10 and the exhaust gas outlet 27 of the exhaust gas cooler 9 separately and spaced from each other connected to the distribution channel 12 are what simplifies the construction of the intake system 1.
  • a particularly large distance between the two discharge points in the distribution channel 12, ie between the first output 21st and exhaust outlet 27 is formed.
  • first outlet 21 and exhaust outlet 27 at remote from each other Ends of the distribution channel 12 is arranged. This arrangement allows for the exhaust gas cooler 9 an elongated construction, whereby the intake system 1 is particularly compact.
  • the exhaust gas cooler 9 is in the region of its exhaust gas inlet 26 via a corresponding flange 30 on the housing 25th attached to the switching valve 10. In the area of its exhaust outlet 27 is the exhaust gas cooler 9 via the cover plate 17th or attached to the exhaust manifold 2 with their screws 18.
  • the connection between exhaust gas cooler 9 on the one hand and switching valve 10 and cover plate 17 on the other hand is targeted designed so that between the exhaust gas cooler. 9 facing top of the cover plate 17 and the cover plate 17 facing bottom side of the exhaust gas cooler. 9 sets a distance 31 which is such that by this distance 31 through the upper through holes. 7 the two middle flange portions 6 are accessible, what the assembly of the fresh gas distributor 2 to the internal combustion engine greatly simplified when the related components the EGR device 8 already at the fresh gas distributor. 2 assembled.
  • the intake system 1 at least in the area the fresh gas distributor 2 already completely pre-assembled and be checked for their function before they is attached as a unit to the internal combustion engine.
  • This unit 32 includes at least the cover plate 17, the switching valve 10 and the exhaust gas cooler 9.
  • the unit 32 also the EGR valve 11.
  • This unit 32 is independent of Fresh gas distributor 2 pre-assembled and can be completely assembled mounted on the cover plate 17 on the fresh gas distributor 2 become. The formation of this unit 32 simplified the assembly of the suction system 1 and the independent function check the EGR components.
  • the exhaust path is heat-transmitting with a Coolant path coupled to a corresponding Coolant circuit, in particular to the cooling circuit of the internal combustion engine, can be connected.
  • two coolant connections namely a first coolant port 33 and a second coolant port 34 formed.
  • the EGR valve 11 is actively cooled.
  • the housing has 35 of the EGR valve 11 two coolant connections, namely a third coolant port 36 and a fourth Coolant connection 37 on.
  • Coolant connections 33, 34, 36, 37 are coordinated with each other here, that in the assembled state of a coolant connection (second coolant port 34) of the exhaust gas cooler 9 directly to the one coolant connection (third coolant connection 36) of the EGR valve 11 is connected so that on additional connectors can be dispensed with.
  • FIGS. 6 and 7 show others in this respect Embodiments, however, with regard to the others Features substantially identical to those described above Embodiments may be constructed.
  • each distribution channel 12, 12 ' is provided, each adjacent to all Frischgasaustritten 4 are arranged, where they each located in the immediate vicinity of the fresh gas outlets 4.
  • Each distribution channel 12, 12 ' communicates with the fresh gas distributor 2, wherein the distribution channels 12, 12 'here each with the discrete return openings 14 are equipped, and for each fresh gas outlet 4 each have a return opening 14.
  • a special feature is now seen in that the first output 21 to the one Distribution channel 12 is connected, while the exhaust outlet 27 connected to the other distribution channel 12 ' is.
  • FIG. 7 can also be a simultaneous and thereby separate supply of cooled and uncooled exhaust gases be realized in the fresh gas distributor 2, without that to two separate distribution channels 12 and 12 'as in the embodiment of FIG. 6 are required.
  • To this Purpose is the only distribution channel 12 by means of a Partition 38 in two separate distribution sub-channels Shared 12a and 12b.
  • Each of these distribution sub-channels 12a, 12b again extends adjacent to all fresh gas exits 4 and preferably communicates via discrete return port 14 with the fresh gas distributor 12.
  • Analogous to Variant according to FIG. 6 is the one distribution sub-channel 12a the first output 21 of the switching valve 10 is connected, while the other distributor part passage 12b to the exhaust outlet 27 of the exhaust gas cooler 9 is connected.

Landscapes

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

Abstract

Die vorliegende Erfindung betrifft eine Sauganlage (1) für eine Brennkraftmaschine, insbesondere in einem Kraftfahrzeug, mit wenigstens einem Frischgasverteiler (2), der zur Zuführung von Frischgas zu mehreren Zylindern dient und für jeden Zylinder zumindest einen Frischgasaustritt (4) aufweist, die nebeneinander angeordnet sind.The present invention relates to a suction system (1) for an internal combustion engine, in particular in a motor vehicle, with at least one fresh gas distributor (2) to the Supply of fresh gas to several cylinders serves and for each cylinder has at least one fresh gas outlet (4), which are arranged side by side.

Zur Erzielung einer kompakten Bauform kann am Frischgasverteiler (2) ein Verteilerkanal (12) einer Abgasrückführungseinrichtung (8) vorgesehen sein, der benachbart zu allen Frischgasaustritten (4) angeordnet ist und mit dem Frischgasverteiler (2) kommuniziert.

Figure 00000001
To achieve a compact design, a distribution channel (12) of an exhaust gas recirculation device (8) may be provided on the fresh gas distributor (2), which is arranged adjacent to all fresh gas outlets (4) and communicates with the fresh gas distributor (2).
Figure 00000001

Description

Die vorliegende Erfindung betrifft eine Sauganlage für eine Brennkraftmaschine, insbesondere in einem Kraftfahrzeug.The present invention relates to a suction system for a Internal combustion engine, in particular in a motor vehicle.

Eine derartige Sauganlage dient zur Frischgasversorgung von Zylindern der Brennkraftmaschine. Üblicher Weise besitzt eine solche Sauganlage für mehrere Zylinder einen gemeinsamen Frischgasverteiler, der das Frischgas eingangsseitig von einem einzelnen Zuführungsrohr erhält und ausgangsseitig den zugeordneten Zylindern zuführt bzw. auf diese verteilt. Zu diesem Zweck besitzt der Frischgasverteiler für jeden zugeordneten Zylinder zumindest einen Frischgasaustritt, der im montierten Zustand der Sauganlage mit einem entsprechenden Frischgaseintritt kommuniziert, der im Motorblock der Brennkraftmaschine ausgebildet ist und darin zum Brennraum des jeweiligen Zylinders führt.Such a suction system is used for fresh gas supply of Cylinders of the internal combustion engine. Usually has one Such intake for several cylinders a common Fresh gas distributor, the fresh gas input side of a receives individual supply pipe and the output side of the feeds or distributed to assigned cylinders. To For this purpose, the fresh gas distributor has for each assigned Cylinder at least one fresh gas outlet in the assembled state of the intake system with a corresponding Fresh gas inlet communicates, in the engine block of the internal combustion engine is formed and in the combustion chamber of the respective cylinder leads.

Moderne Brennkraftmaschinen können mit einer Abgasrückführungseinrichtung, im folgenden AGR-Einrichtung, ausgestattet sein, die zumindest bei bestimmten Betriebszuständen der Brennkraftmaschinen einen Teilstrom der Abgase aus dem Abgasstrang der Brennkraftmaschine abzweigt und in das der Brennkraftmaschine zugeführte Frischgas zurückführt. Die Abgasrückführung erfolgt dabei in der Regel relativ weit stromauf der Frischgasaustritte und insbesondere stromauf des Frischgasverteilers, um bis zu den Frischgasaustritten eine möglichst gute Durchmischung der Abgase mit dem Frischgas zu erzielen. Beispielsweise ist die Abgasrückführung zur Einleitung der Abgase in die Sauganlage an das zuvor genannte Zuführungsrohr angeschlossen, das in den Frischgasverteiler führt. Mit Hilfe einer Kraftstoffrückführung kann für bestimmte Betriebszustände der Brennkraftmaschine deren Schadstoffemission reduziert werden.Modern internal combustion engines can be equipped with an exhaust gas recirculation device, in the following EGR device equipped be that at least in certain operating conditions of the Internal combustion engines a partial flow of exhaust gases from the exhaust system the internal combustion engine branches off and in the Internal combustion engine fed back fresh gas. The exhaust gas recirculation usually takes place relatively far upstream of the fresh gas outlets and in particular upstream of the fresh gas distributor, up to the fresh gas outlets the best possible mixing of the exhaust gases with the fresh gas to achieve. For example, the exhaust gas recirculation to Initiation of the exhaust gases into the intake system to the aforementioned Supply pipe connected to the fresh gas distributor leads. With the help of a fuel return can for certain operating conditions of the internal combustion engine Pollutant emissions are reduced.

Die vorliegende Erfindung beschäftigt sich mit dem Problem, für eine Sauganlage der eingangs genannten Art eine verbesserte Ausführungsform anzugeben, die beispielsweise einen kompakten Aufbau ermöglicht und/oder sich vorteilhaft für die Leistungs- und/oder Emissionswerte der Brennkraftmaschine auswirkt.The present invention deals with the problem for an intake system of the type mentioned an improved Specify an embodiment, for example, a compact design allows and / or beneficial for the power and / or emissions of the internal combustion engine effect.

Dieses Problem wird erfindungsgemäß durch den Gegenstand des unabhängigen Anspruchs gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.This problem is inventively achieved by the subject matter of independent claim solved. Advantageous embodiments are the subject of the dependent claims.

Die vorliegende Erfindung beruht auf dem allgemeinen Gedanken, die Abgase möglichst nahe an sämtlichen Frischgasaustritten des Frischgasverteilers in die Sauganlage einzuleiten. Zu diesem Zweck verwendet die Erfindung einen Verteilerkanal, der am Frischgasverteiler so angeordnet ist, dass er sich entlang sämtlicher Frischgasaustritte, die diesem Frischgasverteiler zugeordnet sind, erstreckt. Das heißt, bei den Frischgasaustritten, die in einer Reihe nebeneinander benachbart angeordnet sind, erstreckt sich der Verteilerkanal vom ersten bis zum letzten Frischgasaustritt dieser Reihe. Durch diese Bauweise können die rückgeführten Abgase durch den Verteilerkanal unmittelbar stromauf jedes einzelnen Frischgasaustritts in den Frischgasverteiler eingeleitet werden. Da das rückgeführte Abgas auf die einzelnen Frischgasaustritte verteilt wird, ergibt sich für die einzelnen Zylinder jeweils eine hinreichende Durchmischung zwischen Frischgas und rückgeführtem Abgas.The present invention is based on the general idea the exhaust gases as close as possible to all Frischgasaustritten of the fresh gas distributor into the intake system. For this purpose, the invention uses a distribution channel, which is arranged on the fresh gas distributor so that He along all fresh gas outlets, this Fresh gas distributor are assigned extends. This means, at the fresh gas spills, in a row next to each other are arranged adjacent, the distribution channel extends from the first to the last fresh gas outlet this Line. This design allows the recirculated exhaust gases through the distribution channel immediately upstream of each individual Fresh gas outlet initiated in the fresh gas distributor become. As the recirculated exhaust gas to the individual fresh gas outlets is distributed, results for the individual Cylinder each a sufficient mixing between Fresh gas and recirculated exhaust gas.

Ein wesentlicher Vorteil der erfindungsgemäßen Bauweise wird darin gesehen, dass durch die unmittelbare Nähe des Verteilerkanals zu den Frischgasaustritten das Betriebsverhalten der Brennkraftmaschine im Hinblick auf die Abgasrückführung erheblich schneller an geänderte Randbedingungen angepasst werden kann. Beispielsweise wirkt sich eine Veränderung der Abgasrückführungsrate, im folgenden AGR-Rate, erheblich schneller auf das Betriebsverhalten der Brennkraftmaschine aus, da der Frischgasverteiler stets nur ein relativ kleines Volumen mit der vorhergehenden AGR-Rate enthält.An essential advantage of the construction according to the invention is seen in that by the immediate proximity of the distribution channel to the fresh gas leaks the operating behavior the internal combustion engine with regard to the exhaust gas recirculation adapted much faster to changed boundary conditions can be. For example, a change in the affects Exhaust gas recirculation rate, in the following EGR rate, considerably faster on the performance of the internal combustion engine from, since the fresh gas distributor always only a relatively small Volume with the previous EGR rate contains.

Von besonderem Vorteil ist eine Ausführungsform, bei welcher der Verteilerkanal in den Frischgasverteiler einstückig integriert ist, wobei Frischgasverteiler und Verteilerkanal insbesondere als integrales Gußteil ausgestaltet sein können. Durch diese integrierte Herstellung vereinfacht sich der Zusammenbau der Sauganlage, die dadurch außerdem sehr kompakt baut.Of particular advantage is an embodiment in which the distribution channel integrated integrally into the fresh gas distributor is, where fresh gas distributor and distribution channel can be configured in particular as an integral casting. This integrated manufacturing simplifies the assembly of the suction system, which in addition very much compact builds.

Entsprechend einer besonders vorteilhaften Ausführungsform kann der Verteilerkanal durch mehrere separate Rückführöffnungen mit dem Frischgasverteiler kommunizieren, wobei die Rückführöffnungen entlang des Verteilerkanals bezüglich der dem Frischgasverteiler zugeordneten Zylinder selektiv positioniert sind, und zwar vorzugsweise im Hinblick auf einen kurzen Strömungsweg von der jeweiligen Rückführöffnung zum selektierten Zylinder. Durch diese Bauweise erfolgt die Abgasrückführung nicht gleichmäßig über die gesamte Erstreckung des Verteilerkanals, sondern gezielt an den Stellen, wo die rückgeführten Abgase auf dem kürzesten Weg zum jeweiligen Zylinder gelangen. Diese Bauweise steigert nochmals die Reaktionsfähigkeit der Brennkraftmaschine im Hinblick auf eine Änderung der AGR-Rate.According to a particularly advantageous embodiment the distribution channel can through several separate return openings communicate with the fresh gas distributor, the Return openings along the distribution channel with respect to the The cylinder associated with the fresh gas manifold is selectively positioned are, and preferably with regard to a short flow path from the respective return opening to selected cylinder. Due to this design, the exhaust gas recirculation takes place not even over the entire extent the distribution channel, but specifically in the places where the recirculated exhaust gases on the shortest route to the respective Cylinder arrive. This construction increases again the responsiveness of the internal combustion engine in terms on a change in the EGR rate.

Ein moderner Frischgasverteiler kann für jeden ihm zugeordneten Zylinder zwei nebeneinander angeordnete Frischgasaustritte, nämlich jeweils einen Hauptaustritt und jeweils einen Nebenaustritt, aufweisen. Mit Hilfe von zwei Frischgasaustritten je Zylinder ist es möglich, im jeweiligen Zylinder bzw. in dessen Trennraum eine Schichtladung herzustellen, wobei z.B. mit einer Drallströmung und/oder mit einer Tumbleströmung gearbeitet wird. Zweckmäßig kann dabei der Nebenaustritt zusätzlich gesteuert werden. Eine derartige Schichtladetechnik ist allgemein bekannt und muss daher nicht näher erläutert werden. Bei einer speziellen Weiterbildung der erfindungsgemäßen Sauganlage können nun die Rückführöffnungen entlang des Verteilerkanals bezüglich der Hauptaustritte oder bezüglich der Nebenaustritte selektiv positioniert sein, und zwar insbesondere im Hinblick auf einen kurzen Strömungsweg von der jeweiligen Rückführöffnung vom selektierten Austritt. Diese Bauweise führt dazu, dass das rückgeführte Abgas im wesentlichen nur durch den jeweils vorbestimmten Austritt den Frischgasverteiler verläßt. In der Folge können in den Zylindern bzw. in deren Brennräumen gezielt vorbestimmte Bereiche mit einem Abgas-Frischgas-Gemisch versorgt werden, während das übrige Brennraumvolumen im wesentlichen ausschließlich mit Frischgas befüllt wird. Mit Hilfe dieser lokal konzentrierten Abgasrückführung kann das Betriebsverhalten der Brennkraftmaschine, insbesondere Kraftstoffverbrauch und/oder Schadstoffemission positiv beeinflusst werden.A modern fresh gas distributor can be assigned for each one Cylinder two juxtaposed fresh gas outlets, namely one main outlet and one each Secondary outlet, exhibit. With the help of two fresh gas outlets per cylinder it is possible in each cylinder or to produce a layer charge in its separation space, whereby e.g. with a swirl flow and / or with a Tumbleströmung is worked. Appropriately, while the Additional exit can be controlled additionally. Such Stratified charge technology is well known and must therefore will not be explained in detail. In a special training the suction system according to the invention can now the Return openings along the distribution channel with respect to the Main exits or selective with regard to side exits be positioned, especially with regard to a short flow path from the respective return opening from the selected exit. This construction leads to that the recirculated exhaust gas substantially only by the respective predetermined exit leaves the fresh gas manifold. In the consequence can in the cylinders or in their combustion chambers selectively predetermined areas with an exhaust gas fresh gas mixture be supplied while the remaining combustion chamber volume is filled mainly exclusively with fresh gas. With the help of this locally concentrated exhaust gas recirculation can the operating behavior of the internal combustion engine, in particular Fuel consumption and / or pollutant emissions positively influenced become.

Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus den Zeichnungen und aus der zugehörigen Figurenbeschreibung anhand der Zeichnungen.Further important features and advantages of the invention result from the subclaims, from the drawings and from the associated figure description with reference to the drawings.

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

Bevorzugte Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden in der nachfolgenden Beschreibung näher erläutert, wobei sich gleiche Bezugszeichen auf gleiche oder funktional gleiche oder ähnliche Bauteile beziehen.Preferred embodiments of the invention are in the Drawings are shown in the description below explained in more detail, wherein the same reference numerals to identical or functionally identical or similar components Respectively.

Es zeigen, jeweils schematisch,

Fig. 1
eine perspektivische Ansicht auf eine Sauganlage nach der Erfindung,
Fig. 2
eine perspektivische Ansicht wie in Fig. 1, jedoch aus einer anderen Blickrichtung,
Fig. 3
einen perspektivischen Querschnitt durch die Sauganlage entsprechend den Schnittlinien III in den Fig. 1 und 2,
Fig. 4
einen Querschnitt durch die Sauganlage entsprechend den Schnittlinien IV in den Fig. 1 und 2,
Fig. 5
einen perspektivischen Längsschnitt durch die Sauanlage entsprechend den Schnittlinien V in den Fig. 1 und 2, jedoch bei einer vereinfachten Darstellung,
Fig. 6
eine stark vereinfachte geschnittene Draufsicht auf einen Teil der Sauganlage bei einer anderen Ausführungsform,
Fig. 7
eine Ansicht wie in Fig. 6, jedoch bei einer weiteren Ausführungsform.
Show, in each case schematically,
Fig. 1
a perspective view of a suction system according to the invention,
Fig. 2
a perspective view as in Fig. 1, but from a different direction,
Fig. 3
3 is a perspective cross section through the suction system according to the section lines III in FIGS. 1 and 2,
Fig. 4
a cross section through the suction system according to the section lines IV in Figs. 1 and 2,
Fig. 5
3 is a perspective longitudinal section through the sowing system according to the section lines V in FIGS. 1 and 2, but in a simplified representation,
Fig. 6
a greatly simplified sectional plan view of a part of the intake system in another embodiment,
Fig. 7
a view as in Fig. 6, but in a further embodiment.

Entsprechend den Fig. 1 und 2 umfasst eine erfindungsgemäße Sauganlage 1 zumindest einen Frischgasverteiler 2, der mehreren Zylindern einer hier nicht gezeigten Brennkraftmaschine zugeordnet ist, die insbesondere in einem Kraftfahrzeug angeordnet sein kann. Der Frischgasverteiler 2 ist eingangsseitig mit einem Zuführungsrohr 3 verbunden, das von der Brennkraftmaschine angesaugte oder durch einen Lader angetriebene Frischluft dem Frischgasverteiler 2 zuführt. Bei der hier gezeigten Ausführungsform bildet ein Teil des Zuführungsrohrs 3 einen integralen Bestandteil des Frischgasverteilers 2. Im Frischgasverteiler 2 erfolgt nun die Aufteilung des zugeführten Frischgases auf die dem Frischgasverteiler 2 zugeordneten Zylinder.According to FIGS. 1 and 2, an inventive Intake system 1 at least one fresh gas distributor 2, the more Cylinders of an internal combustion engine, not shown here is assigned, in particular in a motor vehicle can be arranged. The fresh gas distributor 2 is the input side connected to a supply pipe 3, which is of the Internal combustion engine sucked or driven by a supercharger Fresh air feeds the fresh gas distributor 2. at The embodiment shown here forms part of the feed tube 3 an integral part of the fresh gas distributor 2. In the fresh gas distributor 2 is now the division the fresh gas supplied to the fresh gas distributor 2 associated cylinder.

Zu diesem Zweck besitzt der Frischgasverteiler 2 für jeden ihm zugeordneten Zylinder zumindest einen Frischgasaustritt 4. Im vorliegenden Fall besitzt der Frischgasverteiler 2 für jeden Zylinder zwei Frischgasaustritte, nämlich jeweils einen Hauptaustritt 4a und einen Nebenaustritt 4b. Hierbei handelt es sich um eine spezielle Ausführungsform, die mit einer Schichtladetechnik, z.B. in Verbindung mit einer Drall- und/oder Tumbleströmung, arbeitet.For this purpose, the fresh gas distributor has 2 for each associated cylinder at least one fresh gas outlet 4. In the present case, the fresh gas distributor has 2 for each cylinder two fresh gas outlets, namely one each Main outlet 4a and a side outlet 4b. in this connection it is a special embodiment with a stratified charge technique, e.g. in conjunction with a Swirl and / or tumble flow, works.

Der hier gezeigte Frischgasverteiler 2 ist somit vier Zylindern zugeordnet, die in Reihe angeordnet sind. Sofern die Brennkraftmaschine ein Vier-Zylinder-Motor ist, kommt die Sauganlage 1 mit dem gezeigten Frischgasverteiler 2 aus. Sofern es sich bei der Brennkraftmaschine jedoch um einen V8-Motor handelt, der je vier Zylinder in zwei Zylinderbänken besitzt, ist der hier gezeigte Frischgasverteiler 2 der einen Zylinderbank zugeordnet, so dass die Sauganlage 1 noch einen weiteren, hier nicht gezeigten, im wesentlichen spiegelsymmetrisch aufgebauten Frischgasverteiler 2 aufweist.The fresh gas distributor 2 shown here is thus four cylinders associated, which are arranged in series. Unless the Internal combustion engine is a four-cylinder engine, comes the Suction unit 1 with the fresh gas distributor 2 shown off. Provided However, it is in the internal combustion engine to a V8 engine each of which has four cylinders in two cylinder banks own, the fresh gas distributor 2 shown here is the one Cylinder bank assigned, so that the intake 1 still another, not shown here, essentially mirror-symmetrical constructed fresh gas distributor 2 has.

Die Frischgasaustritte 4 sind nebeneinander angeordnet und liegen im wesentlichen in einer Ebene. In dieser Ebene erfolgt auch die Anbindung des Frischgasverteilers 2 an den Motorblock der Brennkraftmaschine. Zu diesem Zweck ist der Frischgasverteiler 2 in der Ebene der Frischgasaustritte 4 mit einem Flansch 5 ausgestattet, der für jeden Zylinder einen Flanschabschnitt 6 mit jeweils zwei Durchgangsöffnungen 7 aufweist. Durch die Durchgangsöffnungen 7 kann jeder Flanschabschnitt 6 mit dem Motorblock oben und unten verschraubt werden. Auch der Flansch 5 ist zweckmäßig einstückig in den Frischgasverteiler 2 integriert.The fresh gas outlets 4 are arranged side by side and lie essentially in one plane. In this level takes place also the connection of the fresh gas distributor 2 to the Engine block of the internal combustion engine. For this purpose, the Fresh gas distributor 2 in the plane of the fresh gas outlets 4 equipped with a flange 5, the one for each cylinder Flange section 6, each with two through holes 7 has. Through the passage openings 7, each flange portion 6 bolted to the engine block top and bottom become. Also, the flange 5 is suitably in one piece in the Fresh gas distributor 2 integrated.

Den Fig. 1 und 2 sind außerdem wesentliche Bestandteile einer Abgasrückführungseinrichtung 8 entnehmbar, die insbesondere einen Abgaskühler 9, ein Schaltventil 10 und ein Abgasrückführungsventil 11, im folgenden AGR-Ventil 11, umfasst.Figs. 1 and 2 are also essential components of a Exhaust gas recirculation device 8 can be removed, in particular an exhaust gas cooler 9, a switching valve 10 and an exhaust gas recirculation valve 11, hereinafter referred to as EGR valve 11.

Bezugnehmend auf die Fig. 3 bis 5 ist der Frischgasverteiler 2 außerdem mit einem Verteilerkanal 12 versehen, der zwar am Frischgasverteiler 2 angeordnet bzw. ausgebildet ist, jedoch zumindest funktional einen Bestandteil der AGR-Einrichtung 8 bildet. Erfindungsgemäß ist der Verteilerkanal 12 am Frischgasverteiler 2 so positioniert, dass er benachbart zu allen Frischgasaustritten 4 des Frischgasverteilers 2 angeordnet ist. Der lang gestreckt ausgestaltete Verteilerkanal 12 erstreckt sich dabei parallel zur Ebene der Frischgasaustritte 4. Die Anordnung des Verteilerkanals 12 erfolgt dabei so nah wie möglich an den Frischgasaustritten 4. Gemäß den Fig. 3 und 4 ist der Verteilerkanal 2 mit seiner Austrittsseite unmittelbar stromauf von Austrittstrichtern 13 angeordnet, die im Frischgasverteiler 2 ausgeformt sind, und jeweils zu einem Frischgasaustritt 4 bzw. zu einem Paar zusammengehöriger Austritte 4a und 4b konvergieren.Referring to Figs. 3 to 5, the fresh gas distributor 2 also provided with a distribution channel 12, although at Fresh gas distributor 2 is arranged or formed, however at least functionally a part of the EGR device 8 forms. According to the distribution channel 12 at the fresh gas distributor 2 positioned so that it is adjacent to all Frischgasaustritten 4 of the fresh gas distributor 2 arranged is. The elongated distribution channel 12 extends itself parallel to the level of fresh gas outlets 4. The arrangement of the distribution channel 12 takes place so close as possible at the fresh gas outlets 4. According to FIGS. 3 and 4, the distribution channel 2 is immediately with its exit side arranged upstream of outlet funnels 13, the are formed in the fresh gas distributor 2, and in each case to a Fresh gas outlet 4 or to a pair belonging together Outlets 4a and 4b converge.

Der Verteilerkanal 12 kommuniziert mit dem Frischgasverteiler 2. Zu diesem Zweck enthält der Verteilerkanal 12 an seiner Austrittsseite beispielsweise mehrere Rückführöffnungen 14, über die das Innere des Verteilerkanals 12 mit dem Inneren des Frischgasverteilers 2 strömungstechnisch verbunden ist. Bei der hier gezeigten bevorzugten Ausführungsform sind für die Kommunikation zwischen Verteilerkanal 12 und Frischgasverteiler 2 mehrere separate Rückführöffnungen 14 vorgesehen, die entlang des Verteilerkanals 12 zylinderselektiv positioniert ist. Das bedeutet, dass jede Rückführöffnung 14 unmittelbar stromauf des jeweils zugeordneten Frischgasaustritts 4 positioniert ist. Hierdurch ergibt sich ein möglichst kurzer Strömungsweg von der jeweiligen Rückführöffnung 14 bis zum jeweiligen Frischgasaustritt 4 und somit bis zum jeweiligen selektierten Zylinder. Im vorliegenden Fall sind je zwei Rückführöffnungen 14 je einem Zylinder zugeordnet. Die demselben Zylinder zugeordneten Rückführöffnungen 14 sind gemäß Fig. 3 beispielsweise mittig zum zugehörigen Austrittstrichter ausgerichtet.The distribution channel 12 communicates with the fresh gas distributor 2. For this purpose, contains the distribution channel 12 at its Exit side, for example, several return openings 14, over which the interior of the distribution channel 12 with the interior the fresh gas distributor 2 fluidly connected is. In the preferred embodiment shown here are for communication between distribution channel 12 and fresh gas distributor 2 provided a plurality of separate return openings 14, along the distribution channel 12 cylinder selective is positioned. This means that each return opening 14th immediately upstream of the respectively associated fresh gas outlet 4 is positioned. This results in a possible short flow path from the respective return opening 14 to the respective fresh gas outlet 4 and thus to to the selected cylinder. In the present case are each two return openings 14 each associated with a cylinder. The return openings associated with the same cylinder 14 are shown in FIG. 3, for example, centrally to the associated Outlet funnel aligned.

Da bei der hier gezeigten Ausführungsform jedem Zylinder ein Hauptaustritt 4a und ein Nebenaustritt 4b zugeordnet ist, kann die Positionierung der separat ausgestalteten Rückführöffnungen 14 bei einer besonderen Ausgestaltungsform der erfindungsgemäßen Sauganlage 1 außerdem hinsichtlich jeweils der Hauptaustritte 4a oder alternativ jeweils hinsichtlich der Nebenaustritte 4b selektiv erfolgen. Zweckmäßig ist die Positionierung dann jeweils im Hinblick auf einen möglichst kurzen Strömungsweg von der jeweiligen Rückführöffnung 14 bis zum jeweils selektierten Hauptaustritt 4a bzw. Nebenaustritt 4b optimiert. Beispielsweise sind die dem jeweiligen Austritt 4a, 4b zugeführten Rückführöffnungen 14 dann bezüglich des zugeordneten Austritts 4a, 4b mittig angeordnet.Since in the embodiment shown here each cylinder Main outlet 4a and a secondary outlet 4b is assigned can be the positioning of the separately designed return openings 14 in a particular embodiment of the invention Intake system 1 also with respect to each the main exit 4a or alternatively in each case with regard to the side exits 4b are selective. Appropriately, the Positioning then each with regard to a possible short flow path from the respective return opening 14th up to the respectively selected main outlet 4a or secondary outlet 4b optimized. For example, those are the respective Outlet 4a, 4b supplied return openings 14 then with respect the associated outlet 4a, 4b arranged centrally.

Die zylinderselektive bzw. die austrittselektive Positionierung der Rückführöffnungen 14 stellen jeweils besondere Ausführungsformen der vorliegenden Erfindung dar. Grundsätzlich kann die Austrittsseite des Verteilerkanals 12 auch so ausgestattet sein, dass sich über die gesamte Länge des Verteilerkanals 12 eine im wesentlichen gleichmäßige Abgasrückführung in den Abgasverteiler 2 ausbildet. Beispielsweise können die diskreten Rückführöffnungen 14 über die gesamte Länge des Verteilerkanals 12 gleichmäßig verteilt angeordnet sein. Anstelle einzelner Rückführöffnungen 14 in der Austrittsseite kann auch vorgesehen sein, die Austrittsseite durch eine poröse Wandung oder dgl. zu bilden.The cylinder-selective or the exit-selective positioning the return openings 14 each represent particular embodiments of the present invention. Basically For example, the exit side of the distribution channel 12 can also be equipped in this way Be that over the entire length of the distribution channel 12 is a substantially uniform exhaust gas recirculation formed in the exhaust manifold 2. For example, you can the discrete return openings 14 over the entire length the distribution channel 12 arranged evenly distributed be. Instead of individual return openings 14 in the exit side can also be provided, the exit side through a porous wall or the like to form.

Entsprechend der hier gezeigten, bevorzugten Ausführungsform ist der Verteilerkanal 12 einstückig in den Frischgasverteiler 2 integriert, das heißt der Verteilerkanal 12 bildet einen integralen Bestandteil des Frischgasverteilers 2. Beispielsweise kann der Frischgasverteiler 2 zusammen mit dem Verteilerkanal 12 als integrales Gußteil, insbesondere aus Kunststoff oder aus Metall, ausgestaltet sein.According to the preferred embodiment shown here is the distribution channel 12 in one piece in the fresh gas distributor 2 integrated, that is, the distribution channel 12 forms a integral part of the fresh gas distributor 2. For example can the fresh gas distributor 2 together with the Distribution channel 12 as an integral casting, in particular from Plastic or metal, be configured.

Insbesondere im Hinblick auf die Fig. 3 und 4 ist entnehmbar, dass der Verteilerkanal 12 im Querschnitt ein U-Profil aufweist, das eine vom Inneren des Frischgasverteilers 2 weg gerichtete offene Seite 15 und eine dem Inneren des Frischgasverteilers 2 zugewandte U-Basis 16 aufweist. Durch die U-Basis 16 erfolgt die Kommunikation zwischen Verteilerkanal 12 und Frischgasverteiler 2. Im vorliegenden Fall bedeutet dies, dass die Rückführöffnungen 14 in der U-Basis 16 ausgebildet sind.With particular reference to FIGS. 3 and 4 can be removed, that the distribution channel 12 in cross-section a U-profile one, the one away from the interior of the fresh gas distributor 2 directed open side 15 and a the interior of the fresh gas distributor 2 facing U-base 16 has. By the U-base 16 the communication between distribution channel takes place 12 and fresh gas distributor 2. In the present case means this that the return openings 14 formed in the U-base 16 are.

Die offene Seite 15 des Verteilerkanals 12 ist hier mittels einer Deckelplatte 17 verschlossen. Die Deckelplatte 17 ist hier mit dem Frischgasverteiler 2 verschraubt, was durch Schrauben 18 angedeutet ist. Zu diesem Zweck sind an der Deckelplatte 17 seitlich vorstehende Augen 19 ausgebildet, die von den jeweiligen Schrauben 18 durchsetzt sind. The open side 15 of the distribution channel 12 is here by means of a cover plate 17 is closed. The cover plate 17 is screwed here with the fresh gas distributor 2, what through Screw 18 is indicated. For this purpose are on the cover plate 17 laterally projecting eyes 19 formed, the are penetrated by the respective screws 18.

Bezugnehmend auf Fig. 4 besitzt das Schaltventil 10 der AGR-Einrichtung 8 einen Eingang 20 und zwei Ausgänge, nämlich einen ersten Ausgang 21 und einen zweiten Ausgang 22. Der Eingang 20 ist hier unmittelbar an eine Ausgangsseite 23 des AGR-Ventils 11 angeschlossen, dessen Eingangsseite 24 an eine hier nicht gezeigte Abgaszuführungsleitung der AGR-Einrichtung 8 angeschlossen ist, die ihrerseits zur Abgasentnahmestelle am Abgastrakt der Brennkraftmaschine führt. Insoweit ist der Eingang 20 indirekt an die Abgaszuführungsleitung angeschlossen, in der das AGR-Ventil 11 angeordnet ist.Referring to Fig. 4, the switching valve 10 has the EGR device 8 an input 20 and two outputs, namely a first output 21 and a second output 22 Input 20 is here directly to an output side 23 of EGR valve 11 is connected, the input side 24 to a not shown here exhaust gas supply line of the EGR device 8 is connected, in turn, to the exhaust sampling point on the exhaust tract of the internal combustion engine leads. In that regard, the input 20 is indirectly to the exhaust gas supply line connected, in which the EGR valve 11 is arranged is.

Der erste Ausgang 21 des Schaltventils 10 ist hier unmittelbar an den Verteilerkanal 12 angeschlossen, und zwar durch die Deckelplatte 17 hindurch. Bei der hier gezeigten, bevorzugten Ausführungsform ist die Deckelplatte 17 zusammen mit einem Gehäuse 25 des Schaltventils 10 einstückig hergestellt, das heißt die Deckelplatte 17 ist in das Gehäuse 25 integriert. Beispielsweise ist das Gehäuse 25 zusammen mit der Deckelplatte 17 als Gussbauteil, insbesondere aus Kunststoff oder Metall hergestellt.The first output 21 of the switching valve 10 is here directly connected to the distribution channel 12, through the cover plate 17 therethrough. At the here shown, preferred Embodiment is the cover plate 17 together with a housing 25 of the switching valve 10 made in one piece, that is, the cover plate 17 is in the housing 25th integrated. For example, the housing 25 is together with the cover plate 17 as a cast component, in particular made of plastic or metal.

Der zweite Ausgang 22 des Schaltventils 10 ist an einen Abgaseinlaß 26 des Abgaskühlers 9 angeschlossen. Ein Abgasauslaß 27 des Abgaskühlers 9 ist durch die Deckelplatte 17 hindurch ebenfalls an den Verteilerkanal 12 angeschlossen. Im Innern des Abgaskühlers 9 führt ein Abgaspfad vom Abgaseinlaß 26 zum Abgasauslaß 27. The second output 22 of the switching valve 10 is to an exhaust gas inlet 26 of the exhaust cooler 9 connected. An exhaust outlet 27 of the exhaust gas cooler 9 is through the cover plate 17 therethrough also connected to the distribution channel 12. in the Inside the exhaust gas cooler 9, an exhaust path leads from the exhaust gas inlet 26 to the exhaust outlet 27th

Das Schaltventil 10 kann nun wenigstens zwischen zwei Schaltstellungen geschaltet werden. In der in Fig. 4 gezeigten ersten Endstellung befindet sich ein Ventilkörper 28 des Schaltventils 10 in einem Ventilsitz 29, der im Bereich des ersten Ausgangs 21 angeordnet ist, so dass in dieser ersten Endstellung der erste Ausgang 21 verschlossen ist, während der zweite Ausgang 22 offen ist. Dementsprechend ist im Schaltventil 10 in einer ersten Schaltstellung der Eingang 20 mit dem zweiten Ausgang 22 verbunden, so dass die über das AGR-Ventil 11 zugeführten Abgase den Abgaskühler 9 durchströmen und über dessen Abgasauslaß 27 in den Verteilerkanal 12 eintreten. Hierdurch werden die rückgeführten Abgase vor ihrem Eintritt in den Frischgasverteiler 2 gekühlt. Eine Abgaskühlung kann im Hinblick auf das Verbrennungsverhalten und die Leistungsentfaltung der Brennkraftmaschine von Vorteil sein.The switching valve 10 can now at least between two Switch positions are switched. In that shown in Fig. 4 first end position is a valve body 28 of the Switching valve 10 in a valve seat 29, which is in the range of first output 21 is arranged so that in this first End position of the first output 21 is closed while the second output 22 is open. Accordingly, in the Switching valve 10 in a first switching position of the input 20 connected to the second output 22, so that the over the EGR valve 11 exhaust gases supplied to the exhaust gas cooler. 9 flow through and through the exhaust outlet 27 into the distribution channel 12 enter. This will be the repatriated Exhaust gases cooled before their entry into the fresh gas distributor 2. An exhaust gas cooling can with regard to the combustion behavior and the power delivery of the internal combustion engine be beneficial.

Bei bestimmten Betriebszuständen der Brennkraftmaschine, insbesondere beim Kaltstart, ist es jedoch von Vorteil, wenn die rückgeführten Abgase ungekühlt zum Frischgasverteiler 2 gelangen. Zu diesem Zweck besitzt das Schaltventil 10 eine zweite Schaltstellung, in welcher der Ventilkörper 28 von seinem Sitz 29 mehr oder weniger abgehoben ist und somit den ersten Ausgang 21 freigibt. In der nicht gezeigten, zweiten Schaltstellung kann der Ventilkörper 28 die Verbindung zwischen Eingang und zweitem Ausgang 22 sperren. Bei einem hinreichenden Strömungswiderstand im Abgaspfad des Abgaskühlers 9 ist eine derartige Sperrung der Verbindung zwischen Eingang 20 und zweitem Ausgang 22 in der Regel nicht erforderlich, da die Abgasströmung von selbst den Weg des geringsten Widerstands geht, so dass die Durchströmung des Abgaskühlers 9 bei geöffnetem ersten Ausgang 21 erheblich oder vollständig zurückgeht.In certain operating states of the internal combustion engine, However, especially when cold starting, it is advantageous if the recirculated exhaust gases uncooled to the fresh gas distributor. 2 reach. For this purpose, the switching valve 10 has a second switching position, in which the valve body 28 of his seat 29 is more or less lifted and thus the first output 21 releases. In the second, not shown Switching position, the valve body 28, the connection between Lock input and second output 22. With a sufficient Flow resistance in the exhaust path of the exhaust gas cooler Figure 9 is such a blockage of the connection between input 20 and second output 22 usually not required because the exhaust gas flow by itself the path of the least Resistance goes, allowing the flow through the exhaust gas cooler 9 with open first output 21 significantly or completely declining.

In der zweiten Schaltstellung strömen die rückgeführten Abgase somit vom Eingang 20 zum ersten Ausgang 21 und somit auf kurzem Wege vom AGR-Ventil 11 zum Verteilerkanal 12. Die rückgeführten Abgase sind dann ungekühlt und können so der Brennkraftmaschine zusätzlich Wärme zuführen. Dies kann auch bei größeren Dieselmotoren nach dem Warmlaufen erforderlich sein, wenn diese im Teillastbetrieb aufgrund ihres günstigen Wirkungsgrades zu wenig Wärme erzeugen.In the second switching position, the recirculated exhaust gases flow thus from the input 20 to the first output 21 and thus on a short path from the EGR valve 11 to the distribution channel 12. Die recirculated exhaust gases are then uncooled and can so the Add additional heat to internal combustion engine. This can too required for larger diesel engines after warming up be when these are in part-load operation due to their favorable Efficiency to generate less heat.

Grundsätzlich kann es für bestimmte Betriebszustände der Brennkraftmaschine auch wünschenswert sein, nur einen Teil der rückgeführten Abgase zu kühlen, um dadurch eine gewisse Mischtemperatur zu erzeugen. Das jeweilige Schaltventil 10 kann dann zum Einstellen wenigstens einer zusätzlichen Zwischenstellung ausgestaltet sein, in der die Abgase vom Eingang 20 sowohl durch den ersten Ausgang 21 als auch durch den zweiten Ausgang 22 geführt werden.Basically, it can for certain operating conditions of Internal combustion engine also be desirable, only a part the recirculated exhaust gases to cool, thereby a certain To produce mixing temperature. The respective switching valve 10th can then set at least one additional intermediate position be designed in which the exhaust gases from the entrance 20 both through the first output 21 and through the second output 22 are performed.

Die hier gezeigte, besondere Ausführungsform zeichnet sich auch dadurch aus, dass der erste Ausgang 21 des Schaltventils 10 und der Abgasauslaß 27 des Abgaskühlers 9 separat und voneinander beabstandet an den Verteilerkanal 12 angeschlossen sind, was den Aufbau der Sauganlage 1 vereinfacht. Von besonderer Bedeutung ist hier das Merkmal, wonach ein besonders großer Abstand zwischen den beiden Einleitstellen in den Verteilerkanal 12, also zwischen erstem Ausgang 21 und Abgasauslaß 27 ausgebildet ist. Beispielhaft sind hier erster Ausgang 21 und Abgasauslaß 27 an voneinander entfernten Enden des Verteilerkanals 12 angeordnet. Diese Anordnung ermöglicht für den Abgaskühler 9 eine langgestreckte Bauweise, wodurch die Sauganlage 1 besonders kompakt baut.The particular embodiment shown here is distinguished also characterized in that the first output 21 of the switching valve 10 and the exhaust gas outlet 27 of the exhaust gas cooler 9 separately and spaced from each other connected to the distribution channel 12 are what simplifies the construction of the intake system 1. Of particular importance here is the feature that a particularly large distance between the two discharge points in the distribution channel 12, ie between the first output 21st and exhaust outlet 27 is formed. Exemplary are here first outlet 21 and exhaust outlet 27 at remote from each other Ends of the distribution channel 12 is arranged. This arrangement allows for the exhaust gas cooler 9 an elongated construction, whereby the intake system 1 is particularly compact.

Der Abgaskühler 9 ist im Bereich seines Abgaseinlasses 26 über eine entsprechende Flanschverbindung 30 am Gehäuse 25 des Schaltventils 10 befestigt. Im Bereich seines Abgasauslasses 27 ist der Abgaskühler 9 über die Deckelplatte 17 bzw. mit deren Schrauben 18 am Abgasverteiler 2 befestigt. Die Verbindung zwischen Abgaskühler 9 einerseits und Schaltventil 10 und Deckelplatte 17 andererseits ist dabei gezielt so ausgestaltet, dass sich zwischen der dem Abgaskühler 9 zugewandten Oberseite der Deckelplatte 17 und der der Deckelplatte 17 zugewandten untersten Seite des Abgaskühlers 9 ein Abstand 31 einstellt, der so bemessen ist, dass durch diesen Abstand 31 hindurch die oberen Durchgangsöffnungen 7 der beiden mittleren Flanschabschnitte 6 zugänglich sind, was die Montage des Frischgasverteilers 2 an der Brennkraftmaschine erheblich vereinfacht, wenn die zugehörigen Komponenten der AGR-Einrichtung 8 bereits am Frischgasverteiler 2 montiert. Somit kann die Sauganlage 1 zumindest im Bereich des Frischgasverteilers 2 bereits vollständig vormontiert und hinsichtlich ihrer Funktion überprüft werden, bevor sie als Einheit an die Brennkraftmaschine angebaut wird. The exhaust gas cooler 9 is in the region of its exhaust gas inlet 26 via a corresponding flange 30 on the housing 25th attached to the switching valve 10. In the area of its exhaust outlet 27 is the exhaust gas cooler 9 via the cover plate 17th or attached to the exhaust manifold 2 with their screws 18. The connection between exhaust gas cooler 9 on the one hand and switching valve 10 and cover plate 17 on the other hand is targeted designed so that between the exhaust gas cooler. 9 facing top of the cover plate 17 and the cover plate 17 facing bottom side of the exhaust gas cooler. 9 sets a distance 31 which is such that by this distance 31 through the upper through holes. 7 the two middle flange portions 6 are accessible, what the assembly of the fresh gas distributor 2 to the internal combustion engine greatly simplified when the related components the EGR device 8 already at the fresh gas distributor. 2 assembled. Thus, the intake system 1 at least in the area the fresh gas distributor 2 already completely pre-assembled and be checked for their function before they is attached as a unit to the internal combustion engine.

Des Weiteren bilden auch mehrere Komponenten der AGR-Einrichtung 8 eine vormontierbare Einheit 32. Diese Einheit 32 umfasst zumindest die Deckelplatte 17, das Schaltventil 10 und den Abgaskühler 9. Optional umfasst die Einheit 32 auch das AGR-Ventil 11. Diese Einheit 32 ist unabhängig vom Frischgasverteiler 2 vormontierbar und kann komplett montiert über die Deckelplatte 17 am Frischgasverteiler 2 montiert werden. Die Ausbildung dieser Einheit 32 vereinfacht den Zusammenbau der Sauganlage 1 und die unabhängige Funktionsüberprüfung der AGR-Komponenten.Furthermore, several components also form the EGR device 8 a preassemblable unit 32. This unit 32 includes at least the cover plate 17, the switching valve 10 and the exhaust gas cooler 9. Optionally, the unit 32 also the EGR valve 11. This unit 32 is independent of Fresh gas distributor 2 pre-assembled and can be completely assembled mounted on the cover plate 17 on the fresh gas distributor 2 become. The formation of this unit 32 simplified the assembly of the suction system 1 and the independent function check the EGR components.

Im Abgaskühler 9 ist der Abgaspfad wärmeübertragend mit einem Kühlmittelpfad gekoppelt, der an einen entsprechenden Kühlmittelkreis, insbesondere an den Kühlkreis der Brennkraftmaschine, angeschlossen werden kann. Zu diesem Zweck sind am Abgaskühler 9 zwei Kühlmittelanschlüsse, nämlich ein erster Kühlmittelanschluß 33 und ein zweiter Kühlmittelanschluß 34 ausgebildet. Eine Besonderheit ist hier, dass auch das AGR-Ventil 11 aktiv gekühlt ist. Zu diesem Zweck ist in einem Gehäuse 35 des AGR-Ventils 11 ein entsprechender Kühlmittelpfad ausgebildet. Des Weiteren weist das Gehäuse 35 des AGR-Ventils 11 zwei Kühlmittelanschlüsse, nämlich einen dritten Kühlmittelanschluß 36 und einen vierten Kühlmittelanschluß 37 auf. Gemäß den Fig. 1 und 3 sind die Kühlmittelanschlüsse 33, 34, 36, 37 hier so aufeinander abgestimmt, dass in montiertem Zustand der eine Kühlmittelanschluß (zweiter Kühlmittelanschluß 34) des Abgaskühlers 9 direkt mit dem einen Kühlmittelanschluß (dritter Kühlmittelanschluß 36) des AGR-Ventils 11 verbunden ist, so dass auf zusätzliche Verbindungsstücke verzichtet werden kann.In the exhaust gas cooler 9, the exhaust path is heat-transmitting with a Coolant path coupled to a corresponding Coolant circuit, in particular to the cooling circuit of the internal combustion engine, can be connected. To this end are at the exhaust gas cooler 9 two coolant connections, namely a first coolant port 33 and a second coolant port 34 formed. A special feature here is that also the EGR valve 11 is actively cooled. To this end is in a housing 35 of the EGR valve 11, a corresponding one Coolant path formed. Furthermore, the housing has 35 of the EGR valve 11 two coolant connections, namely a third coolant port 36 and a fourth Coolant connection 37 on. According to FIGS. 1 and 3 are the Coolant connections 33, 34, 36, 37 are coordinated with each other here, that in the assembled state of a coolant connection (second coolant port 34) of the exhaust gas cooler 9 directly to the one coolant connection (third coolant connection 36) of the EGR valve 11 is connected so that on additional connectors can be dispensed with.

Während bei den mit Bezug auf die Fig. 1 bis 5 erläuterten Ausführungsformen nur ein einziger Verteilerkanal 12 vorgesehen ist, an den sowohl der erste Ausgang 21 des Schaltventils 10 als auch der Abgasauslaß 27 des Abgaskühlers 9 angeschlossen sind, zeigen die Fig. 6 und 7 diesbezüglich andere Ausführungsformen, die jedoch im Hinblick auf die anderen Merkmale im wesentlichen identisch zu den zuvor beschriebenen Ausführungsformen aufgebaut sein können.While in the explained with reference to FIGS. 1 to 5 Embodiments only a single distribution channel 12 is provided is, to both the first output 21 of the switching valve 10 and the exhaust outlet 27 of the exhaust gas cooler 9 connected FIGS. 6 and 7 show others in this respect Embodiments, however, with regard to the others Features substantially identical to those described above Embodiments may be constructed.

Bei der Ausführungsform gemäß Fig. 6 sind zwei Verteilerkanäle 12 und 12' vorgesehen, die jeweils benachbart zu allen Frischgasaustritten 4 angeordnet sind, wobei sie sich jeweils in unmittelbarer Nähe der Frischgasaustritte 4 befinden. Die beiden Verteilerkanäle 12, 12' erstrecken sich dabei parallel zueinander. Jeder Verteilerkanal 12, 12' kommuniziert mit dem Frischgasverteiler 2, wobei die Verteilerkanäle 12, 12' hier jeweils mit den diskreten Rückführöffnungen 14 ausgestattet sind, und zwar für jeden Frischgasaustritt 4 jeweils eine Rückführöffnung 14. Eine Besonderheit wird nun darin gesehen, dass der erste Ausgang 21 an den einen Verteilerkanal 12 angeschlossen ist, während der Abgasauslaß 27 an den anderen Verteilerkanal 12' angeschlossen ist. Demzufolge wird über den einen Verteilerkanal 12 ausschließlich ungekühltes Abgas in den Frischgasverteiler 2 eingeleitet, während über den anderen Verteilerkanal 12' ausschließlich gekühltes Abgas in den Frischgasverteiler 2 eingeleitet wird. Dies ist insbesondere bei einem Mischbetrieb von Vorteil, bei dem das Schaltventil 10 so angesteuert wird, dass ein mehr oder weniger großer erster Teilstrom des rückgeführten Abgases ungekühlt durch den ersten Ausgang 21 in den einen Verteilerkanal 12 gelangt, während ein verbleibender zweiter Teilstrom des rückgeführten Abgases durch den Abgaskühler 9 geführt wird und durch dessen Abgasauslaß 27 in den anderen Verteilerkanal 12 gelangt. Durch die getrennte Führung der gekühlten und der ungekühlten Abgase kommt es erst im Frischgasverteiler 2 unmittelbar stromauf der Frischgasaustritte 4 zu einer Vermischung der gekühlten und der ungekühlten Abgase mit dem Frischgas (Frischluft), wodurch eine gewünschte Mischtemperatur an allen Frischgasaustritten 4 relativ gleichmäßig eingestellt werden kann. Bei einer gleichzeitigen Einleitung gekühlter und ungekühlter rückgeführter Abgase in den selben Verteilerkanal 12, was beispielsweise bei der Variante gemäß den Fig. 1 bis 5 möglich wäre, würde sich bei den durch die Rückführöffnungen 14 in den Frischgasverteiler 2 einströmenden Abgasen ein Temperaturgefälle vom ersten Ausgang 21 bis zum Abgasauslaß 27 einstellen. Die Temperaturverteilung auf die einzelnen Frischgasaustritte 4 und somit auf die einzelnen Zylinder wäre dann ungleichmäßig.In the embodiment of FIG. 6 are two distribution channels 12 and 12 'are provided, each adjacent to all Frischgasaustritten 4 are arranged, where they each located in the immediate vicinity of the fresh gas outlets 4. The two distribution channels 12, 12 'extend parallel to each other. Each distribution channel 12, 12 'communicates with the fresh gas distributor 2, wherein the distribution channels 12, 12 'here each with the discrete return openings 14 are equipped, and for each fresh gas outlet 4 each have a return opening 14. A special feature is now seen in that the first output 21 to the one Distribution channel 12 is connected, while the exhaust outlet 27 connected to the other distribution channel 12 ' is. Consequently, via the one distribution channel 12 exclusively Uncooled exhaust gas into the fresh gas distributor 2 introduced while over the other distribution channel 12 ' exclusively cooled exhaust gas in the fresh gas distributor 2 is initiated. This is especially true in a mixed operation advantageous in which the switching valve 10 is driven so is that a more or less large first partial flow the recirculated exhaust gas uncooled by the first output 21 passes into the one distribution channel 12, while a remaining second partial flow of the recirculated exhaust gas through the exhaust gas cooler 9 is guided and through the exhaust outlet 27 passes into the other distribution channel 12. By the separate Guidance of cooled and uncooled exhaust gases it comes only in the fresh gas distributor 2 immediately upstream the fresh gas outlets 4 to a mixing of the cooled and the uncooled exhaust gases with the fresh gas (fresh air), whereby a desired mixing temperature at all Frischgasaustritten 4 can be set relatively uniform. With simultaneous introduction of cooled and uncooled recirculated exhaust gases in the same distribution channel 12, which, for example, in the variant according to FIGS. 1 to 5 would be possible at the through the return openings 14 in the fresh gas manifold 2 incoming exhaust gases Temperature gradient from the first output 21 to the exhaust outlet 27 set. The temperature distribution on the individual Fresh gas exits 4 and thus to the individual cylinders would be uneven then.

Bei der Variante gemäß Fig. 7 kann ebenfalls eine simultane und dabei getrennte Zuführung gekühlter und ungekühlter Abgase in den Frischgasverteiler 2 realisiert werden, ohne dass dazu zwei getrennte Verteilerkanäle 12 und 12' wie bei der Ausführungsform gemäß Fig. 6 erforderlich sind. Zu diesem Zweck ist der einzige Verteilerkanal 12 mittels einer Trennwand 38 in zwei voneinander getrennte Verteilerteilkanäle 12a und 12b geteilt. Jeder dieser Verteilerteilkanäle 12a, 12b erstreckt wieder benachbart zu allen Frischgasaustritten 4 und kommuniziert vorzugsweise über diskrete Rückführungöffnung 14 mit dem Frischgasverteiler 12. Analog zur Variante gemäß Fig. 6 ist der eine Verteilerteilkanal 12a an den ersten Ausgang 21 des Schaltventils 10 angeschlossen, während der andere Verteilerteilkanal 12b an den Abgasauslaß 27 des Abgaskühlers 9 angeschlossen ist.In the variant of FIG. 7 can also be a simultaneous and thereby separate supply of cooled and uncooled exhaust gases be realized in the fresh gas distributor 2, without that to two separate distribution channels 12 and 12 'as in the embodiment of FIG. 6 are required. To this Purpose is the only distribution channel 12 by means of a Partition 38 in two separate distribution sub-channels Shared 12a and 12b. Each of these distribution sub-channels 12a, 12b again extends adjacent to all fresh gas exits 4 and preferably communicates via discrete return port 14 with the fresh gas distributor 12. Analogous to Variant according to FIG. 6 is the one distribution sub-channel 12a the first output 21 of the switching valve 10 is connected, while the other distributor part passage 12b to the exhaust outlet 27 of the exhaust gas cooler 9 is connected.

Claims (12)

Sauganlage für eine Brennkraftmaschine, insbesondere in einem Kraftfahrzeug, mit wenigstens einem Frischgasverteiler (2), der zur Zuführung von Frischgas zu mehreren dem Frischgasverteiler (2) zugeordneten Zylindern der Brennkraftmaschine dient und für jeden zugeordneten Zylinder zumindest einen Frischgasaustritt (4, 4a, 4b) aufweist, die nebeneinander angeordnet sind, wobei am Frischgasverteiler (2) zumindest ein Verteilerkanal (12) einer Abgasrückführungseinrichtung (8) vorgesehen ist, der benachbart zu allen Frischgasaustritten (4, 4a, 4b), des Frischgasverteilers (2) angeordnet ist und mit dem Frischgasverteiler (2) kommuniziert.Intake system for an internal combustion engine, in particular in a motor vehicle, with at least one fresh gas distributor (2), for supplying fresh gas to a plurality of the fresh gas distributor (2) associated cylinders of the internal combustion engine serves and at least for each associated cylinder a fresh gas outlet (4, 4a, 4b), the side by side are arranged, wherein the fresh gas distributor (2) at least a distribution channel (12) of an exhaust gas recirculation device (8) is provided adjacent to all fresh gas outlets (4, 4a, 4b), arranged the fresh gas distributor (2) is and communicates with the fresh gas distributor (2). Sauganlage nach Anspruch 1,
dadurch gekennzeichnet, dass der Verteilerkanal (12) in den Frischgasverteiler (2) einstückig integriert ist.Intake system according to claim 1,
characterized in that the distribution channel (12) in the fresh gas distributor (2) is integrally integrated. Sauganlage nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass der Verteilerkanal (12) ein U-Profil aufweist, dessen offene Seite (15) vom Inneren des Frischgasverteilers (2) weggerichtet ist und durch dessen U-Basis (16) der Verteilerkanal (12) mit dem Frischgasverteiler (2) kommuniziert. Intake system according to claim 1 or 2,
characterized in that the distribution channel (12) has a U-profile whose open side (15) is directed away from the interior of the fresh gas distributor (2) and through the U-base (16) of the distribution channel (12) with the fresh gas distributor (2) communicated. Sauganlage nach Anspruch 3,
dadurch gekennzeichnet, dass der Verteilerkanal (12) an der offenen Seite (15) seines Profils mit einer Deckelplatte (17) verschlossen ist, durch die durch den Verteilerkanal (12) im Betrieb der Abgasrückführungseinrichtung (8) Abgas zuführbar ist.Intake system according to claim 3,
characterized in that the distribution channel (12) is closed at the open side (15) of its profile with a cover plate (17) through which exhaust gas can be supplied through the distribution channel (12) during operation of the exhaust gas recirculation device (8). Sauganlage nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass der Verteilerkanal (12) durch mehrere separate Rückführöffnungen (14) mit dem Frischgasverteiler (2) kommuniziert, wobei die Rückführöffnungen (14) entlang des Verteilerkanals (12) bezüglich der dem Frischgasverteiler (2) zugeordneten Zylinder selektiv positioniert sind.Intake system according to one of claims 1 to 4,
characterized in that the distribution channel (12) communicates with the fresh gas distributor (2) through a plurality of separate return openings (14), the return openings (14) being selectively positioned along the distribution channel (12) with respect to the cylinder associated with the fresh gas distributor (2). Sauganlage nach Anspruch 5,
dadurch gekennzeichnet, dass der Frischgasverteiler (2) für jeden zugeordneten Zylinder zwei nebeneinander angeordnete Frischgasaustritte (4) aufweist, nämlich jeweils einen Hauptaustritt (4a) und einen Nebenaustritt (4b), wobei die Rückführöffnungen (14) entlang des Verteilerkanals (12) bezüglich der Hauptaustritte (4a) oder der Nebenaustritte (4b) selektiv positioniert sind.Intake system according to claim 5,
characterized in that the fresh gas distributor (2) for each associated cylinder two juxtaposed Frischgasaustritte (4), namely in each case a main outlet (4a) and a secondary outlet (4b), wherein the return openings (14) along the distribution channel (12) with respect Main outlets (4a) or the secondary outlets (4b) are selectively positioned. Sauganlage nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass die Abgasrückführungseinrichtung (8) ein Schaltventil (10) mit einem Eingang (20) und zwei Ausgängen (21, 22) aufweist, dass der Eingang (20) des Schaltventils (10) an ein Abgasrückführventil (11) oder an eine Abgaszuführungsleitung der Abgasrückführungseinrichtung (8) angeschlossen ist, dass der erste Ausgang (21) des Schaltventils (10) an den Verteilerkanal (12) angeschlossen ist, dass der zweite Ausgang (22) des Schaltventils (10) an einen Abgaseinlaß (26) eines Abgaskühlers (9) der Abgasrückführungseinrichtung (8) angeschlossen ist, dass ein Abgasauslaß (27) des Abgaskühlers (9) separat und beabstandet vom ersten Ausgang (21) des Schaltventils (10) an den selben oder an einen anderen Verteilerkanal (12) angeschlossen ist. Intake system according to one of claims 1 to 6,
characterized, comprising that the exhaust gas recirculation device (8), a switching valve (10) having an input (20) and two outputs (21, 22) is connected to the input (20) of the switching valve (10) to an exhaust gas recirculation valve (11) or an exhaust gas feed line of the exhaust gas recirculation device (8), is connected to the first output (21) of the switching valve (10) to the distributor channel (12), that the second output (22) of the switching valve (10) is connected to an exhaust gas inlet (26) an exhaust gas cooler (9) of the exhaust gas recirculation device (8), is connected to an exhaust gas outlet (27) separately of the exhaust gas cooler (9) and spaced from said first output (21) of the switching valve (10) to the same or to a different distributor channel (12). Sauganlage nach den Ansprüchen 4 und 7,
dadurch gekennzeichnet, dass die Deckelplatte (17) in ein Gehäuse (25) des Schaltventils (10) einstückig integriert istIntake system according to claims 4 and 7,
characterized in that the cover plate (17) is integrally integrated in a housing (25) of the switching valve (10) Sauganlage nach Anspruch 8,
dadurch gekennzeichnet, dass der Abgaskühler (9) und das Schaltventil (10) mit Gehäuse (25) und Deckelplatte (17) eine vormontierbare Einheit (32) bilden, die über die Deckelplatte (17) am Frischgasverteiler (2) montierbar ist.Intake system according to claim 8,
characterized in that the exhaust gas cooler (9) and the switching valve (10) with housing (25) and cover plate (17) form a preassemblable unit (32) which can be mounted on the cover plate (17) on the fresh gas distributor (2). Sauganlage nach einem der Ansprüche 7 bis 9,
dadurch gekennzeichnet, dass der Abgasauslaß (27) des Abgaskühlers (9) und der erste Ausgang (21) des Schaltventiles (10) an voneinander entfernten Enden an den Verteilerkanal (12) angeschlossen sind.Intake system according to one of claims 7 to 9,
characterized in that the exhaust gas outlet (27) of the exhaust gas cooler (9) and the first output (21) of the switching valve (10) are connected at remote ends to the distribution channel (12). Sauganlage nach einem der Ansprüche 7 bis 10,
dadurch gekennzeichnet, dass zwei getrennte Verteilerkanäle (12, 12') vorgesehen sind, wobei der erste Ausgang (21) des Schaltventils (10) an den einen Verteilerkanal (12) angeschlossen ist, während der Abgasauslaß (27) des Abgaskühlers (9) an den anderen Verteilerkanal (12') angeschlossen ist.Intake system according to one of claims 7 to 10,
characterized in that two separate distribution channels (12, 12 ') are provided, wherein the first output (21) of the switching valve (10) is connected to the one distribution channel (12), while the exhaust gas outlet (27) of the exhaust gas cooler (9) the other distribution channel (12 ') is connected. Sauganlage nach einem der Ansprüche 7 bis 10,
dadurch gekennzeichnet, dass im Verteilerkanal (12) zwei voneinander getrennte Verteilerkanäle (12a, 12b) ausgebildet sind, die jeweils benachbart zu allen Frischgasaustritten (4, 4a, 4b) angeordnet sind und von denen der eine Verteilerkanal (12a) an den ersten Ausgang (21) des Schaltventils (10) angeschlossen ist, während der andere Verteilerkanal (12b) an den Abgasauslaß (27) des Abgaskühlers (9) angeschlossen ist.Intake system according to one of claims 7 to 10,
characterized in that in the distribution channel (12) two separate distribution channels (12a, 12b) are formed, which are respectively adjacent to all Frischgasaustritten (4, 4a, 4b) and of which a distribution channel (12a) to the first output ( 21) of the switching valve (10) is connected, while the other distribution channel (12b) to the exhaust gas outlet (27) of the exhaust gas cooler (9) is connected.
EP04026887A 2003-11-19 2004-11-12 Intake device for an internal combustion engine Ceased EP1533512B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07118191A EP1870591B1 (en) 2003-11-19 2004-11-12 Intake device for an internal combustion engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10354129 2003-11-19
DE10354129A DE10354129A1 (en) 2003-11-19 2003-11-19 Intake system for an internal combustion engine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP07118191A Division EP1870591B1 (en) 2003-11-19 2004-11-12 Intake device for an internal combustion engine

Publications (3)

Publication Number Publication Date
EP1533512A2 true EP1533512A2 (en) 2005-05-25
EP1533512A3 EP1533512A3 (en) 2006-05-17
EP1533512B1 EP1533512B1 (en) 2008-03-26

Family

ID=34428809

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04026887A Ceased EP1533512B1 (en) 2003-11-19 2004-11-12 Intake device for an internal combustion engine
EP07118191A Ceased EP1870591B1 (en) 2003-11-19 2004-11-12 Intake device for an internal combustion engine

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07118191A Ceased EP1870591B1 (en) 2003-11-19 2004-11-12 Intake device for an internal combustion engine

Country Status (2)

Country Link
EP (2) EP1533512B1 (en)
DE (3) DE10354129A1 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1600624A1 (en) * 2004-05-25 2005-11-30 Mark IV Systemes Moteurs (Société Anonyme) Integrated air inlet module and its manufacturing process
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
EP1793115A1 (en) 2005-12-01 2007-06-06 Mark Iv Systemes Moteurs (Sas) Multifunctional module for an internal-combustion engine
FR2908833A1 (en) * 2006-11-20 2008-05-23 Valeo Soc Par Actions Simplifi GAS ADMISSION DEVICE
WO2008116568A1 (en) * 2007-03-23 2008-10-02 Behr Gmbh & Co. Kg Charging fluid suction module and internal combustion engine
WO2009047278A1 (en) * 2007-10-09 2009-04-16 Dayco Ensa, S.L. Egr/cooling integrated module for an ic engine
EP2133548A1 (en) 2008-06-12 2009-12-16 Perkins Engines Company Limited Gas Mixing system
WO2009149868A1 (en) * 2008-06-12 2009-12-17 Perkins Engines Company Limited Exhaust gas mixing system
US20110088664A1 (en) * 2008-05-20 2011-04-21 Valeo Systemes De Controle Moteur Gas intake device
WO2011120932A1 (en) * 2010-03-31 2011-10-06 Valeo Systemes Thermiques Gas distribution manifold in the cylinder head of an engine, with the recirculated exhaust gas mixture in a counter-flow to the admission gases
WO2011120933A1 (en) * 2010-03-31 2011-10-06 Valeo Systemes Thermiques Gas distribution manifold in the cylinder head of an engine, set comprising a distribution manifold and an engine cylinder head
WO2012126573A1 (en) * 2011-03-19 2012-09-27 Audi Ag Air supply element for an internal combustion engine and method for producing an air supply element
WO2012130514A1 (en) * 2011-03-31 2012-10-04 Valeo Systemes Thermiques Intake gas distribution box for use in an engine, in particular a motor vehicle engine, and gas supply module comprising said box
US20120247437A1 (en) * 2009-11-27 2012-10-04 Valeo Systemes Thermiques Gas supply module for a motor vehicle engine, assembly of an engine cylinder head and such a module, and motor vehicle engine comprising such a module
EP2410166A3 (en) * 2010-07-23 2014-10-29 Daf Trucks N.V. Device for mixing exhaust gas with fresh air to be returned to a combustion engine
FR3007470A1 (en) * 2013-06-25 2014-12-26 Valeo Sys Controle Moteur Sas DISTRIBUTION MODULE FOR DISTRIBUTING A MIXTURE OF ADMISSION

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008063934A1 (en) 2008-12-19 2010-06-24 Volkswagen Ag Internal-combustion engine i.e. diesel engine, for motor vehicle, has recycling device with exhaust gas recirculation channel fixed with distributing channel of recycling device, where distributing channel is integrated with cylinder head
DE202009001782U1 (en) * 2009-02-12 2010-07-08 Mann+Hummel Gmbh Abgasansaugvorrichtung
EP2218896B1 (en) * 2009-02-16 2012-04-04 Caterpillar Motoren GmbH & Co. KG A turbocharged engine with exhaust gas recycling
FR2945582A1 (en) 2009-05-18 2010-11-19 Mann & Hummel Gmbh DEVICE FOR RECIRCULATING THE EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE
FR2946699B1 (en) * 2009-06-15 2015-06-26 Valeo Systemes Thermiques DEVICE FOR MIXING A RECIRCULATED INTAKE GAS FLOW AND A RECIRCULATED EXHAUST GAS FLOW COMPRISING RECIRCULATED GAS INJECTION MEANS
FR2954414B1 (en) 2009-12-21 2013-09-13 Valeo Systemes Thermiques INTERFACE PIECE BETWEEN A CYLINDER HEAD OF A MOTOR VEHICLE ENGINE AND A HEAT EXCHANGER.
FR2954413B1 (en) * 2009-12-21 2016-01-01 Valeo Systemes Thermiques GAS SUPPLY MODULE OF A MOTOR VEHICLE ENGINE, ASSEMBLY OF A CYLINDER HEAD OF AN ENGINE AND SUCH A MODULE AND THERMAL MOTOR COMPRISING SUCH AN ASSEMBLY.
DE102010051562B4 (en) * 2010-11-18 2014-05-08 Pierburg Gmbh Exhaust gas routing device for an internal combustion engine
FR2973446B1 (en) * 2011-03-31 2015-08-21 Valeo Systemes Thermiques RECIRCULATED EXHAUST GAS INJECTION DEVICE, DISTRIBUTOR HOUSING AND POWER MODULE COMPRISING SAID DEVICE
EP2525075A1 (en) * 2011-04-28 2012-11-21 VALEO AUTOSYSTEMY Sp. Z. o.o. Injection channel bypass for probe measurement
DE102013215234A1 (en) 2013-08-02 2015-02-05 Mahle International Gmbh Intake module for an internal combustion engine
DE102014214591A1 (en) 2014-07-24 2016-01-28 Mahle International Gmbh Intake module with integrated exhaust gas recirculation for an internal combustion engine

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0350283Y2 (en) * 1985-04-09 1991-10-28
JPH04279754A (en) * 1991-03-08 1992-10-05 Toyota Autom Loom Works Ltd Egr gas deposit reducing manifold
FR2689936B1 (en) * 1992-04-09 1994-07-08 Peugeot INTEGRATED RAMP DEVICE FOR THE RECYCLING OF EXHAUST GASES FROM AN INTERNAL COMBUSTION ENGINE.
JPH06288305A (en) * 1993-03-31 1994-10-11 Suzuki Motor Corp Engine exhaust gas recirculation system
JPH08144868A (en) * 1994-11-17 1996-06-04 Toyota Motor Corp Exhaust gas recirculation system for internal combustion engine
AT3671U1 (en) * 1997-01-23 2000-06-26 Avl List Gmbh INTERNAL COMBUSTION ENGINE
US5957116A (en) * 1997-08-28 1999-09-28 Cummins Engine Company, Inc. Integrated and separable EGR distribution manifold
JPH1182197A (en) * 1997-09-08 1999-03-26 Denso Corp Intake device for internal combustion engine
DE19833325A1 (en) * 1998-07-24 2000-01-27 Opel Adam Ag Reciprocating piston internal combustion engine with exhaust gas recirculation
DE19906401C1 (en) * 1999-02-16 2000-08-31 Ranco Inc Of Delaware Wilmingt Exhaust gas recirculation system
DE10004552A1 (en) * 2000-02-02 2001-08-09 Mann & Hummel Filter Intake pipe with integrated exhaust gas recirculation
SE520863C2 (en) * 2000-05-05 2003-09-09 Volvo Personvagnar Ab Method and apparatus for venting gases in an internal combustion engine
DE10028131C1 (en) * 2000-06-07 2001-12-13 Daimler Chrysler Ag Exhaust gas feedback system for internal combustion engine has flange component provided with exhaust gas feedback channels leading to exhaust gas feedback line and flow control valve
DE10028400A1 (en) * 2000-06-13 2001-12-20 Pierburg Ag Air intake device for an internal combustion engine
DE10133182A1 (en) * 2001-07-07 2003-01-23 Pierburg Gmbh Switching device for exhaust gas recirculation in an internal combustion engine
ITBO20010761A1 (en) * 2001-12-14 2003-06-16 Magneti Marelli Powertrain Spa INTAKE MANIFOLD FOR AN INTERNAL COMBUSTION ENGINE PROVIDED WITH EXHAUST GAS RECIRCULATION
DE10341393B3 (en) * 2003-09-05 2004-09-23 Pierburg Gmbh Air induction port system for internal combustion engines has exhaust gas return passage made in one piece with casing, and exhaust gas return valve and throttle valve are constructed as cartridge valve for insertion in holes in casing

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1600624A1 (en) * 2004-05-25 2005-11-30 Mark IV Systemes Moteurs (Société Anonyme) Integrated air inlet module and its manufacturing process
US7165539B2 (en) 2004-05-25 2007-01-23 Mark Iv Systemes Moteurs Societe Anonyme Integrated air inlet module and its manufacturing process
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
FR2891020A1 (en) * 2005-09-16 2007-03-23 Renault Sas INTAKE DISTRIBUTOR INCORPORATING A PORTION OF AN EXHAUST GAS RECIRCULATION CIRCUIT AND INTERNAL COMBUSTION ENGINE COMPRISING SUCH AN INTAKE DISTRIBUTOR
FR2894295A1 (en) * 2005-12-01 2007-06-08 Mark Iv Systemes Moteurs Soc P MULTIFUNCTIONAL MODULE FOR INTERNAL COMBUSTION ENGINE
EP1793115A1 (en) 2005-12-01 2007-06-06 Mark Iv Systemes Moteurs (Sas) Multifunctional module for an internal-combustion engine
US7690334B2 (en) 2005-12-01 2010-04-06 Mark Iv Systemes Moteurs (Sas) Multifunctional module for an internal-combustion engine
JP2013139819A (en) * 2006-11-20 2013-07-18 Valeo Systemes De Controle Moteur Gas intake device
FR2908833A1 (en) * 2006-11-20 2008-05-23 Valeo Soc Par Actions Simplifi GAS ADMISSION DEVICE
WO2008061692A1 (en) * 2006-11-20 2008-05-29 Valeo Systemes De Controle Moteur Gas intake device
JP2010510423A (en) * 2006-11-20 2010-04-02 バレオ・システムズ・ドウ・コントロール・モトウール Gas intake device
CN101636573B (en) * 2006-11-20 2012-10-03 法雷奥电机控制系统公司 Gas intake device
WO2008116568A1 (en) * 2007-03-23 2008-10-02 Behr Gmbh & Co. Kg Charging fluid suction module and internal combustion engine
US8051841B2 (en) 2007-03-23 2011-11-08 Behr Gmbh & Co. Kg Charging fluid intake module and internal combustion engine
CN101646849B (en) * 2007-03-23 2011-10-05 贝洱两合公司 Charging fluid suction module and internal combustion engine
WO2009047278A1 (en) * 2007-10-09 2009-04-16 Dayco Ensa, S.L. Egr/cooling integrated module for an ic engine
JP2015038353A (en) * 2008-05-20 2015-02-26 バレオ・システムズ・ドウ・コントロール・モトウール Gas intake device
US8656894B2 (en) * 2008-05-20 2014-02-25 Valeo Systemes De Controle Moteur Gas intake device
US20110088664A1 (en) * 2008-05-20 2011-04-21 Valeo Systemes De Controle Moteur Gas intake device
CN102257257A (en) * 2008-05-20 2011-11-23 法雷奥电机控制系统公司 Gas intake device
EP2133548A1 (en) 2008-06-12 2009-12-16 Perkins Engines Company Limited Gas Mixing system
WO2009149868A1 (en) * 2008-06-12 2009-12-17 Perkins Engines Company Limited Exhaust gas mixing system
CN102057152B (en) * 2008-06-12 2015-06-17 珀金斯发动机有限公司 Exhaust gas mixing system
US8881712B2 (en) 2008-06-12 2014-11-11 Perkins Engines Company Limited Exhaust gas mixing system
US8905008B2 (en) * 2009-11-27 2014-12-09 Valeo Systems Thermiques Gas supply module for a motor vehicle engine, assembly of an engine cylinder head and such a module, and motor vehicle engine comprising such a module
US20120247437A1 (en) * 2009-11-27 2012-10-04 Valeo Systemes Thermiques Gas supply module for a motor vehicle engine, assembly of an engine cylinder head and such a module, and motor vehicle engine comprising such a module
WO2011120933A1 (en) * 2010-03-31 2011-10-06 Valeo Systemes Thermiques Gas distribution manifold in the cylinder head of an engine, set comprising a distribution manifold and an engine cylinder head
FR2958336A1 (en) * 2010-03-31 2011-10-07 Valeo Systemes Thermiques MANIFOLD FOR GAS DISTRIBUTION IN THE CYLINDER HEAD OF AN ENGINE WITH RECIRCULATED EXHAUST GAS MIXTURE WITH COUNTER-CURRENT ADMISSION GASES.
US9790897B2 (en) 2010-03-31 2017-10-17 Valeo Systemes Thermiques Gas distribution manifold in the cylinder head of an engine, set comprising a distribution manifold and an engine cylinder head
WO2011120932A1 (en) * 2010-03-31 2011-10-06 Valeo Systemes Thermiques Gas distribution manifold in the cylinder head of an engine, with the recirculated exhaust gas mixture in a counter-flow to the admission gases
JP2013524070A (en) * 2010-03-31 2013-06-17 ヴァレオ システム テルミク A manifold for dispersing the gas in the cylinder head of the engine, where the recirculated exhaust gas is mixed with the intake gas in a direction opposite to the direction in which the intake gas flows
FR2958337A1 (en) * 2010-03-31 2011-10-07 Valeo Systemes Thermiques MANIFOLD FOR GAS DISTRIBUTION IN THE CYLINDER HEAD OF AN ENGINE, ASSEMBLY OF A DISTRIBUTION MANIFOLD AND A CYLINDER HEAD.
US9284917B2 (en) 2010-03-31 2016-03-15 Valeo Systemes Thermiques Gas distribution manifold in the cylinder head of an engine, with the recirculated exhaust gas mixture in a counter-flow to the admission gases
EP2410166A3 (en) * 2010-07-23 2014-10-29 Daf Trucks N.V. Device for mixing exhaust gas with fresh air to be returned to a combustion engine
US8925529B2 (en) 2010-07-23 2015-01-06 Daf Trucks N.V. Device for mixing exhaust gas with fresh air to be returned to a combustion engine
WO2012126573A1 (en) * 2011-03-19 2012-09-27 Audi Ag Air supply element for an internal combustion engine and method for producing an air supply element
FR2973445A1 (en) * 2011-03-31 2012-10-05 Valeo Systemes Thermiques INTAKE GAS DISTRIBUTION BOX IN AN ENGINE, IN PARTICULAR A MOTOR VEHICLE, AND A GAS SUPPLY MODULE COMPRISING SAID HOUSING
WO2012130514A1 (en) * 2011-03-31 2012-10-04 Valeo Systemes Thermiques Intake gas distribution box for use in an engine, in particular a motor vehicle engine, and gas supply module comprising said box
WO2014207342A1 (en) * 2013-06-25 2014-12-31 Valeo Systemes De Controle Moteur Distribution module for distributing an inlet mixture
FR3007470A1 (en) * 2013-06-25 2014-12-26 Valeo Sys Controle Moteur Sas DISTRIBUTION MODULE FOR DISTRIBUTING A MIXTURE OF ADMISSION
US9920721B2 (en) 2013-06-25 2018-03-20 Valeo Systemes De Controle Moteur Distribution module for distributing an inlet mixture

Also Published As

Publication number Publication date
EP1870591B1 (en) 2009-07-29
EP1870591A2 (en) 2007-12-26
DE10354129A1 (en) 2005-06-23
DE502004009844D1 (en) 2009-09-10
EP1533512B1 (en) 2008-03-26
EP1870591A3 (en) 2008-02-20
EP1533512A3 (en) 2006-05-17
DE502004006651D1 (en) 2008-05-08

Similar Documents

Publication Publication Date Title
EP1533512B1 (en) Intake device for an internal combustion engine
EP2018472B1 (en) Valve arrangement for an exhaust gas recirculation device
EP2021612B1 (en) Exhaust gas recirculation device
DE102010016284A1 (en) Air intake device for an internal combustion engine
DE4410686C2 (en) Intake system for internal combustion engines
DE102008035957B4 (en) Cylinder head for an internal combustion engine
DE19937781A1 (en) Internal combustion engine with secondary air intake system
DE3217064C2 (en)
DE102007062347B4 (en) Cooling arrangement for a cylinder head of an internal combustion engine
DE10244799B4 (en) Exhaust gas recirculation
DE69001865T2 (en) TWO-STROKE ENGINE WITH EXHAUST GAS DETOXING SYSTEM.
DE102019216827B4 (en) Intake system for a vehicle
DE19546545B4 (en) intake manifold
DE102014204031B4 (en) Exhaust gas recirculation device for vehicle engines
DE202009001007U1 (en) Secondary air system
DE102006014586B4 (en) Internal combustion engine of V-type
EP1329628B1 (en) Cylinder head for a piston combustion engine with a cooling conduit system
DE102011075617B4 (en) A method for guiding a charge air, terminal box for a radiator assembly and radiator assembly for an internal combustion engine and internal combustion engine with a two-stage supercharging
EP1280985A1 (en) Cooling circuit for a multi-cylinder internal combustion engine
EP1134403B1 (en) Combustion engine with exhaust gas recirculation
DE102014202971B4 (en) Intake manifold with integrated intercooler with two circuits
AT523180B1 (en) COMBUSTION MACHINE WITH MULTIPLE CYLINDERS
EP0637680B1 (en) Liquid cooled multicylinder internal combustion engine
DE10314629A1 (en) Induction system for internal combustion engine has rotary valve directing incoming mixture either through short wide induction pipe or narrow long induction pipe
DE10118490C2 (en) Arrangement of the intake system for an internal combustion engine with EGR device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL HR LT LV MK YU

RIC1 Information provided on ipc code assigned before grant

Ipc: F02M 35/10 20060101AFI20041227BHEP

Ipc: F02M 25/07 20060101ALI20060125BHEP

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL HR LT LV MK YU

17P Request for examination filed

Effective date: 20060614

AKX Designation fees paid

Designated state(s): DE FR GB

17Q First examination report despatched

Effective date: 20070719

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 502004006651

Country of ref document: DE

Date of ref document: 20080508

Kind code of ref document: P

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

ET Fr: translation filed
26 Opposition filed

Opponent name: PIERBURG GMBH

Effective date: 20081217

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

PLCK Communication despatched that opposition was rejected

Free format text: ORIGINAL CODE: EPIDOSNREJ1

PLBN Opposition rejected

Free format text: ORIGINAL CODE: 0009273

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: OPPOSITION REJECTED

27O Opposition rejected

Effective date: 20100220

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

REG Reference to a national code

Ref country code: DE

Ref legal event code: R084

Ref document number: 502004006651

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20181130

Year of fee payment: 15

Ref country code: FR

Payment date: 20181129

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20190131

Year of fee payment: 15

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502004006651

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20191112

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200603

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191112

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191202