EP3061931B1 - Abgasführungssystem für eine brennkraftmaschine - Google Patents

Abgasführungssystem für eine brennkraftmaschine Download PDF

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Publication number
EP3061931B1
EP3061931B1 EP16155984.4A EP16155984A EP3061931B1 EP 3061931 B1 EP3061931 B1 EP 3061931B1 EP 16155984 A EP16155984 A EP 16155984A EP 3061931 B1 EP3061931 B1 EP 3061931B1
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EP
European Patent Office
Prior art keywords
exhaust gas
area
gas guide
guide pipe
housing
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.)
Active
Application number
EP16155984.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3061931A1 (de
Inventor
Remus Boriga
Michael Marquardt-Stammberger
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.)
Eberspaecher Exhaust Technology GmbH and Co KG
Original Assignee
Eberspaecher Exhaust Technology GmbH and Co KG
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
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Publication of EP3061931A1 publication Critical patent/EP3061931A1/de
Application granted granted Critical
Publication of EP3061931B1 publication Critical patent/EP3061931B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/038—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of perforated plates defining expansion chambers associated with condensation and collection chambers, e.g. for adiabatic expansion of gases and subsequent collection of condensed liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages comprising at least one perforated tube extending from inlet to outlet of the silencer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/007—Apparatus used as intake or exhaust silencer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/12—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 specially adapted for submerged exhausting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
    • F01N13/1894—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells the parts being assembled in longitudinal direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/22—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a condensation chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/08—Two or more expansion chambers in series separated by apertured walls only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/15—Plurality of resonance or dead chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/22—Water or humidity

Definitions

  • the present invention relates to an exhaust system for an internal combustion engine, which may be provided for example in a passenger car, a truck or a bicycle.
  • one or more probes are often provided for detecting the composition of the combustion exhaust gases, for example in an upstream region thereof, which intervene in the exhaust gas flow volume of the exhaust gas routing system for interaction with the exhaust gases.
  • this is generally open to the outside, so that in principle there is the possibility that in this downstream end region of the exhaust gas guide system liquid such. B. water, penetrates. If the water reaches the area of the probes, they can be damaged.
  • An exhaust system is known from US 2014/0161677 A1 known.
  • this exhaust gas guidance system one of the two exhaust gas guide tube regions is radially widened in the region of two adjoining exhaust gas guide tube regions.
  • the other exhaust duct portion engages the radially expanded exhaust duct portion, so that a gap of a ring-like shape is formed between the two duct portions.
  • a gap of a ring-like shape is formed between the two duct portions.
  • about this space is formed in the interior of the Abgas Insertsrohr Schemee exhaust gas flow volume to a space adjacent to the abutment region of the exhaust gas guide tube regions and filled with particulate material space.
  • the exhaust gas guide tube regions are surrounded by a fiber mat.
  • an exhaust system for an internal combustion engine in which in the region of two nested tubes a condensate trap is formed.
  • the axial end of the pipe inserted into the other pipe is tapered or partially flattened to form a gap between these two pipes, which has either the shape of a ring or the shape of a circle segment.
  • an exhaust gas routing system for an internal combustion engine according to claim 1.
  • This includes an upstream first exhaust duct portion, a downstream second exhaust duct portion adjoining the first exhaust duct portion in a transition region in an exhaust gas flow direction, one of an exhaust flow volume in the first exhaust duct portion and / or second exhaust duct region to a liquid collection volume open bysstechniksableitkanal Scheme in the transition region.
  • the liquid discharge passage region comprises a gap formed between the first exhaust guide tube region and the second exhaust guide tube region.
  • a gap can be provided in a simple manner, for example, by a jump in the transverse dimension of the adjoining exhaust duct sections and requires no additional structural measures.
  • the dip in the transversal dimension in the transitional region between the two exhaust guide tube portions for creating the clearance for the liquid discharge passage portion is provided according to the invention by expanding the second exhaust guide tube portion upstream toward its upstream end portion in at least one direction transverse to the exhaust gas flow direction.
  • This extension for example with respect to a circular basic cross-sectional geometry, is provided in that the second exhaust-gas guide tube region has in its upstream end region a flattened, round peripheral contour, preferably oval or elliptical.
  • the transition region is arranged in a housing which provides the liquid collection volume.
  • the housing has an inlet opening, wherein the first exhaust gas guide tube region is guided through the inlet opening into the interior of the housing, and / or has an outlet opening, wherein the second exhaust gas guide tube region out through the outlet opening from the interior of the housing is.
  • the first exhaust gas guide tube region comprises a first tube section extending inside the housing, providing the downstream end region of the first exhaust guide tube region, firmly connected to the housing in the region of the inlet opening, and / or the second exhaust guide tube region has a inside tube Housing extending, the upstream end portion of the second exhaust guide tube area providing, with the housing in the region of the outlet opening firmly connected second pipe section comprises.
  • the housing may be constructed with the first pipe section and the second pipe section as an assembly in the manner of a silencer or rear silencer.
  • the first exhaust duct portion preferably with the first pipe section in the Includes / or that the second exhaust duct portion comprises a fourth pipe section preferably connected to the second pipe section in the region of the outlet opening fourth pipe section.
  • At least one plate-type sound insulation element be arranged in the interior of the housing.
  • the arrangement may be such that at least one sound-damping element surrounds the upstream end region of the second exhaust-gas guide tube region or / and is firmly connected to the upstream end region of the second exhaust-gas guide tube region and / or is fixedly connected to the housing in its outer peripheral region and / or comprises a first sound-insulating opening arrangement ,
  • the at least one soundproofing element can subdivide the interior of the housing into two regions which are in communication with one another via the first soundproofing opening arrangement, so that nevertheless a large internal volume region of the housing is available as liquid collection volume.
  • the sound-damping functionality can be further improved in the exhaust-gas routing system according to the invention in that the second exhaust-gas guide tube region has a second sound-damping opening arrangement downstream of the transitional region in its region running inside the housing.
  • the housing at least a part of, preferably the whole inlet opening and at least a portion of the outlet opening providing the first housing shell and a not through the first housing shell provided part of the inlet opening and a not provided by the first housing shell part of the outlet opening, with the first housing shell firmly connected second housing shell comprises.
  • an exhaust system 10 for an internal combustion engine is shown in a passenger car.
  • the exhaust gas guide system 10 is formed in its upstream end portion 12 for receiving combustion exhaust gases from an internal combustion engine.
  • probes 14, 16 are provided in the exhaust gas guidance system 10, which protrude into the gas flow flowing in the exhaust gas guidance system 10 and thus provide information about the composition of the combustion exhaust gases. This information can be used, for example, to control an internal combustion engine to minimize pollutant emissions.
  • the combustion exhaust gases flow in a gas flow direction G through an exhaust pipe 17 from the upstream end portion 12 to a downstream end portion 18 of the exhaust guide system 10. At the downstream end portion 18, the exhaust gases leave the exhaust guide system 10 via two tail pipes 22 leading away from a muffler 20 in the illustrated embodiment , 24.
  • FIGS. 2 and 3 show the downstream end portion 18 of the exhaust gas delivery system 20 with the muffler 20 positioned there.
  • the muffler 20 includes a housing, generally designated 26, from which in FIG FIGS. 2 and 3 only a lower housing shell 28 is shown.
  • the exhaust gas routing system 10 includes an upstream first exhaust conduit portion 30 that leads into the interior 32 of the housing 26. Further, the exhaust gas guide system 10 includes a downstream second exhaust guide tube portion 34, which leads out of the interior 32 of the housing 26 and in which in the FIGS. 2 and 3 illustrated example with a single tail pipe 22 is formed. As the Fig. 3 1, the first exhaust guide tube portion 30 and the second exhaust guide tube portion 34 are in fluid communication so that the exhaust gases flowing through the exhaust guide system 10 can flow from the first exhaust guide tube portion 30 into the second exhaust guide tube portion 34 in the exhaust gas flow direction G.
  • a downstream end portion 36 of the first exhaust guide tube portion 30 engages an upstream end portion 40 of the second exhaust guide tube portion 34 in a transition region generally designated 38.
  • the first exhaust guide tube portion 30 and the second exhaust guide tube portion 34 may be formed in these end portions 38, 40 having a substantially cylindrical shape.
  • the first exhaust pipe section 30 includes a first pipe section 42 extending substantially inside the housing 32 and providing the downstream end section 36.
  • the second exhaust pipe section 34 includes a second tubular portion 44 also extending substantially within the interior 32 of the housing 26, which provides the upstream end portion 40.
  • the first tube section 42 is inserted into an inlet opening 46 formed in the housing shell 28 and firmly and fluid-tightly connected in this area, for example, with a substantially cylindrical section 48 of the shell 28 enclosing the inlet opening 46, for example by welding ,
  • a third tube section 40 attributable to the first exhaust guide tube region 30 can be inserted, for example, in the region of the inlet opening 46 into the end of the first tube section 42 positioned there and thus be firmly and fluid-tightly connected, for example by welding.
  • the second pipe section 44 is fixedly connected in its region facing away from the upstream end portion 40 end in the region of a housing 26 formed in the outlet opening 52 with the housing, for example by welding.
  • the FIGS. 2 and 3 clearly show that only part of this outlet opening 52 is formed in the lower housing shell 28 shown in the figures. The remaining part of the outlet opening is formed in the upper housing shell to be placed on the lower housing shell 28.
  • the two housing shells can be firmly and fluid-tight, for example by welding, in the region of flange-like edge regions 54 formed thereon.
  • A for example, in the region of the outlet opening 52 in the there positioned end of the second pipe section 44 inserted fourth pipe section 56 is fixedly connected to the second pipe section 44, for example by welding and provides the tailpipe 22 ready in the example shown, while the first pipe section 42, for example, an inlet pipe and
  • the second pipe section 44 may provide an exhaust pipe of the muffler 20.
  • first tube section 42 and the second tube section 44 are dimensioned or shaped in their end regions 36, 40 such that a gap 58 positioned in a vehicle essentially in a lower region in the installed state results, essentially to the interior 32 of the housing 26 leading remplisstechniksableitkanal 60 forms.
  • This intermediate space 58 can be provided, for example, by providing the first pipe section 42 in its downstream end region 36 with a substantially circular cross-sectional contour.
  • the second pipe section 44 can be funnel-like expanded starting from a central region 62, which is also formed, for example, with a circular, essentially cylindrical cross-sectional geometry, and then flattened so that a flattened, for example approximately oval or elliptical, cross-sectional contour results in the upstream end region 40 of the second pipe section 44, which is expanded in at least one direction transverse to the gas flow direction G in comparison to the cross-sectional contour of the downstream end portion 36 of the first pipe section 42.
  • a central region 62 which is also formed, for example, with a circular, essentially cylindrical cross-sectional geometry, and then flattened so that a flattened, for example approximately oval or elliptical, cross-sectional contour results in the upstream end region 40 of the second pipe section 44, which is expanded in at least one direction transverse to the gas flow direction G in comparison to the cross-sectional contour of the downstream end portion 36 of the first pipe section 42.
  • the silencer 20 further comprises a plate-like sound insulation element 68 which surrounds the upstream end region 40, for example in the transition region 38 and is fixedly connected in this region to the second pipe section 44, which can be fixed with its outer peripheral region to an inner surface of the housing 26.
  • the sound-damping element 68 divides the interior 32 of the housing 26 into two spatial areas 70, 72. Since a first sound-absorbing opening arrangement 74 comprising a multiplicity of holes or openings is formed in the sound-damping element 68, the two spatial areas 70, 72 are fundamentally in communication with one another.
  • a second Acoustic opening arrangement 76 is formed in the central region 62 of the second pipe section 44, so that in principle the exhaust gas flow volume 78 formed in the region of the muffler 20 or in the area of the first exhaust pipe section 30 and the second exhaust pipe section 34 is open to the interior 32 of the housing 26. Primarily by sound reflection, the two sound insulation openings 74, 76 of the muffler 20 contribute to the sound attenuation.
  • the possibility is created before the penetration into the first Exhaust pipe section 30 to enter a provided in particular in the region of the lower housing shell 28 liquid collection volume 80.
  • the exhaust gas delivery system 10 or a vehicle equipped therewith has the generally required wading capability, which ensures that even for a predetermined period of time with the internal combustion engine engine, the penetration of water into the exhaust system 10 to the upstream region 12, where the probes 14, 16 are positioned is prevented.
  • liquid collection volume 80 By provided in the interior of the housing 26 liquid collection volume 80, a relatively large amount of liquid or water can be absorbed.
  • this liquid will gradually evaporate due to the comparatively high temperature which the various components of the exhaust gas guide system 10 will have the exhaust gas flow direction G exhaust gas flow develops a suction pumping action for evaporating liquid and thus withdrawing the liquid vapor from the liquid collection volume 80.
  • exhaust gas flow develops a suction pumping action for evaporating liquid and thus withdrawing the liquid vapor from the liquid collection volume 80.
  • also manually or automatically revealed drainage openings may be provided in order to discharge larger quantities of liquid accumulated therein.
  • inventively provided possibility to divert into a discharge system liquid entering through a remplisstechniksableitkanal Scheme in the transition region between two Abgas Installationsrohr Kunststoffen and store in a liquid collection volume a simple, nevertheless feasible with a compact design possibility is created to protect further system areas of an exhaust system before entering liquid.
  • inventive structure of an exhaust system is therefore not only suitable for larger vehicles, such. As trucks or commercial vehicles, but can also be used in particular in passenger cars and two-wheeled application.
  • the construction according to the invention of the exhaust gas guidance system does not impair the exhaust gas flow and thus does not lead to a higher back pressure and thus a loss of performance of a drive unit coupled to this exhaust gas routing system.
  • the exhaust gas guidance system according to the invention could be designed differently, in particular in the area of those components which provide or cooperate with the fluid discharge channel.
  • the interior of the liquid collection volume also providing housing for further contributing to the sound insulation measures.
  • Such a housing providing the liquid collection volume could also be constructed exclusively for this purpose and without measures serving for soundproofing or without the positioning of components serving for sound insulation.
  • the Fig. 1 shows the second Abgas Equipmentsrohr Scheme be constructed so that more than one tail pipe leads out of the housing.
  • the exhaust gas guide system according to the invention could essentially be designed only as a silencer, so for example, the housing with the first pipe section and the second pipe section of the two Abgas Installationsrohr Anlagene include, to which pipe sections can then be added as separate assemblies more pipe sections.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
EP16155984.4A 2015-02-24 2016-02-16 Abgasführungssystem für eine brennkraftmaschine Active EP3061931B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015102611.2A DE102015102611A1 (de) 2015-02-24 2015-02-24 Abgasführungssystem für eine Brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP3061931A1 EP3061931A1 (de) 2016-08-31
EP3061931B1 true EP3061931B1 (de) 2017-10-11

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Country Status (4)

Country Link
US (1) US9822684B2 (zh)
EP (1) EP3061931B1 (zh)
CN (1) CN105909353B (zh)
DE (1) DE102015102611A1 (zh)

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CN109162794A (zh) * 2018-11-03 2019-01-08 芜湖挺优机电技术有限公司 新型汽车灌排气装置
DE102021113611A1 (de) * 2021-05-26 2022-12-01 Umfotec Gmbh Schallminderer, Verfahren zu dessen Herstellung und Fluidleitungssystem mit einem solchen Schallminderer
DE102021115392A1 (de) * 2021-06-15 2022-12-15 Purem GmbH Schalldämpfer für eine Abgasanlage einer Brennkraftmaschine

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP1039105A2 (de) * 1999-03-19 2000-09-27 Bayerische Motoren Werke Aktiengesellschaft Abgasanlage für Brennkraftmaschinen, insbesondere für Fahrzeuge

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JP4464854B2 (ja) * 2005-03-24 2010-05-19 トヨタ自動車株式会社 燃料電池用消音器
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EP1039105A2 (de) * 1999-03-19 2000-09-27 Bayerische Motoren Werke Aktiengesellschaft Abgasanlage für Brennkraftmaschinen, insbesondere für Fahrzeuge

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DE102015102611A1 (de) 2016-08-25
US20160245140A1 (en) 2016-08-25
US9822684B2 (en) 2017-11-21
EP3061931A1 (de) 2016-08-31
CN105909353A (zh) 2016-08-31
CN105909353B (zh) 2018-12-04

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