EP1353049A2 - Dispositif de traitement de gaz d'échappement pour moteur à combustion interne - Google Patents

Dispositif de traitement de gaz d'échappement pour moteur à combustion interne Download PDF

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Publication number
EP1353049A2
EP1353049A2 EP02027712A EP02027712A EP1353049A2 EP 1353049 A2 EP1353049 A2 EP 1353049A2 EP 02027712 A EP02027712 A EP 02027712A EP 02027712 A EP02027712 A EP 02027712A EP 1353049 A2 EP1353049 A2 EP 1353049A2
Authority
EP
European Patent Office
Prior art keywords
tube
exhaust gas
area
carrier body
catalyst carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02027712A
Other languages
German (de)
English (en)
Other versions
EP1353049A3 (fr
Inventor
Peter Dr. Zacke
Gerd Dr. Gaiser
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 Climate Control Systems GmbH and Co KG
Original Assignee
J Eberspaecher 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
Application filed by J Eberspaecher GmbH and Co KG filed Critical J Eberspaecher GmbH and Co KG
Publication of EP1353049A2 publication Critical patent/EP1353049A2/fr
Publication of EP1353049A3 publication Critical patent/EP1353049A3/fr
Withdrawn legal-status Critical Current

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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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/102—Other arrangements or adaptations of exhaust conduits of exhaust manifolds having thermal insulation
    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2875—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration by using elastic means, e.g. spring leaves, for retaining catalyst body in the housing
    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/10—Exhaust treating devices having provisions not otherwise provided for for avoiding stress caused by expansions or contractions due to temperature variations
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/22—Methods or apparatus for fitting, inserting or repairing different elements by welding or brazing
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/24—Methods or apparatus for fitting, inserting or repairing different elements by bolts, screws, rivets or the like

Definitions

  • the present invention relates to an exhaust gas treatment arrangement with at least one exhaust gas catalyst for treatment of exhaust gases from an internal combustion engine with at least one exhaust gas discharge opening.
  • the exhaust line includes at least a group of several directly at the exhaust gas discharge openings coupled in particular referred to as exhaust manifolds Pieces of pipe that run from the exhaust ports absorb exhaust gases emitted.
  • Pieces of pipe that run from the exhaust ports absorb exhaust gases emitted.
  • To these pieces of pipe pipe junctions are coupled to the exhaust gases from the multiple exhaust ports of a group of exhaust ports collect in a single tube to which a silencer is connected, from which the exhaust gas is finally released to the environment.
  • a catalytic converter in the silencer in which pollutants contained in the exhaust gas, such as for example carbon monoxide and nitrogen oxides in less harmful Products are converted.
  • the catalytic converter usually together with the silencer on Vehicle floor of the motor vehicle arranged.
  • the exhaust gas catalytic converter must be used for the efficient treatment of the exhaust gas an increased operating temperature of e.g. have over 600 ° C.
  • an increased operating temperature e.g. have over 600 ° C.
  • This time period is one on the vehicle floor arranged catalytic converter, among other things, therefore comparatively long since the catalytic converter with a relative large distance from the internal combustion engine is arranged and the exhaust gases due to their entry into the catalytic converter of heat exchange with that between the internal combustion engine and catalytic converter provided pipe connections in comparison to exit directly from the internal combustion engine have cooled down greatly.
  • catalytic converters have been developed that are closer to the internal combustion engine, for example in the exhaust manifold and which after a cold start accordingly reach their intended operating temperature faster, which itself can be even higher than that of comparable Catalytic converters arranged in the area of the vehicle floor are.
  • This exhaust gas catalyst has a catalyst carrier body of frustoconical shape, which in a conically tapered exhaust pipe is inserted.
  • the catalyst carrier body is opposite the tapered one Pipe supported by a fiber mat.
  • the fiber mat has a certain elasticity, which the sensitive Catalyst carrier body in front of the close to the internal combustion engine strong vibrations that occur.
  • an object of the present invention is a Propose exhaust gas treatment arrangement, with which in particular cylindrical catalyst carrier body close to the Internal combustion engine can be arranged.
  • the invention is based on one Exhaust gas treatment arrangement for an internal combustion engine at least one exhaust gas discharge opening, wherein a plurality of exhaust gas catalysts are provided, and wherein each catalytic converter a separate exhaust gas discharge opening of the internal combustion engine assigned.
  • the catalytic converter comprises one Catalyst carrier body which provides a surface, on which the catalyst material is provided which is the chemical reaction to transform the harmful Promotes combustion products into less harmful products.
  • the catalyst carrier body in its interior a variety of flow channels ready, the inner surface are provided with the catalyst material.
  • the Flow channels are preferably channels from along their length is substantially uniform in cross section a flow through the exhaust gas catalytic converter with the lowest possible To allow flow losses.
  • the Catalyst carrier body has a substantially cylindrical shape on, the cylindrical shape not necessarily the Must have the shape of a circular cylinder. Rather, they are cylinder shapes provided with any footprint, such as hexagonal or square base.
  • the catalyst carrier body is in a catalyst holder tube added, which indirectly to the exhaust gas outlet of the Internal combustion engine is coupled.
  • the catalyst support tube however directly, i.e. without inserting more separate pipe sections coupled to the exhaust gas discharge opening.
  • the invention is characterized in that the Catalyst holder pipe has two pipe sections in a row, the catalyst carrier body, seen in Flow direction of the exhaust gas, in a front first pipe area which has a larger inner diameter has as a the first pipe area in the flow direction of the exhaust gas downstream second pipe area.
  • the cross section of the Exhaust gas catalyst carrier body is equal to or larger than that Inner diameter of the second pipe area.
  • this is preferably from a single piece of pipe integrally formed.
  • the invention provides an engine-related approach Arrangement of exhaust gas catalysts before, wherein each catalytic converter has multiple exhaust ports is assigned to the internal combustion engine, although not a single catalytic converter all exhaust ports assigned.
  • a third pipe section whose inside diameter is smaller than that of the first tube area and is larger than that of the second pipe section.
  • This third pipe section preferably represents a radial shoulder ready on which the catalyst carrier body itself or with the interposition of another holding structure is axially supported so that it slips in fixed in an axial direction towards the second tube region is.
  • the catalytic converter in front of the silencer is the Exhaust gas catalytic converter in question here special mechanical and thermal loads and exposed in particular to increased flow pulsations.
  • On such an exhaust gas catalytic converter near the engine is preferred less than 1 m, in particular less than 0.5 m and in particular less than 0.25 m from the internal combustion engine remotely arranged, this length is not on a geometric distance between the catalyst carrier body and relates to the internal combustion engine, but to a length the pipe connection between the catalyst carrier body and exhaust gas discharge opening the internal combustion engine.
  • the catalyst carrier body is preferably through the tube flange inserted into the catalyst support tube, and more preferably such that the catalyst carrier body recorded with its entire length in the first tube area is.
  • the catalyst carrier body can, for example, by a ceramic structure, a metallic structure or even a other structure can be formed, but due to the im With regard to the largest possible catalyst surface large number of flow channels mechanically fragile and is sensitive to deformations and breaks. Therefore it is preferred that the catalyst carrier body itself does not rest directly on the catalyst holder tube, but instead rather, at a distance from an inner jacket of the first Pipe area is arranged. Accordingly, between the Catalyst carrier body and the inner shell of the first tube area Holding structures for holding the catalyst carrier body provided to be sufficient in the first tube area mechanically fixed and at the same time a transmission of vibrations from the catalyst support tube dampen the catalyst carrier body.
  • Such holding structures are preferred, as seen in FIG Flow direction of the exhaust gas, at a front end region and a rear end portion of the catalyst carrier body intended.
  • Such a support structure is preferably a Spacer sleeve formed, which in particular in the circumferential direction is designed to flow around the exhaust gas catalytic converter blocked by the exhaust gases.
  • the spacer sleeve has transmitted vibrations Spring action by being in an area both in Extends axially as well as in the radial direction.
  • the spacer sleeve is preferably frictionally attached to the inner jacket of the first pipe area. Alternatively or in addition however, this can be done on the inner jacket of the first tube region a circumferential groove can be provided, in which the Spacer especially snaps into place when the catalytic converter is introduced into the first tube area. alternative or in addition to this, the spacer sleeve is also provided to be welded to the inner jacket of the first tube area or soldering or otherwise joining technology connect to.
  • a holding structure can also be used one between the catalyst carrier body and the inner jacket inserted cuff of the first tube area, which as a braid or knitted fabric or fleece or woven fabric or felt made of wire or other material.
  • an exhaust gas treatment arrangement 1 is schematic shown. This is used to treat exhaust fumes Four-cylinder four-stroke internal combustion engine 3 with a cylinder head 5.
  • the cylinders of the internal combustion engine 3 is over intake manifold fresh air connected to the cylinder head supplied, and the resulting in the combustion in the cylinders Exhaust gas is provided from on the cylinder head 5 Exhaust gas discharge openings 9 ejected.
  • the combustion exhaust gases discharged through the exhaust gas discharge ports 9 are from an exhaust system 11 that the exhaust treatment arrangement 1 includes, via an exhaust end 13 to the Environment.
  • the exhaust system 11 comprises four exhaust manifold pipes 15, each with a pipe flange 17 an exhaust gas discharge opening 9 are screwed.
  • the four exhaust manifold pipes 15 are opposite to the pipe flanges 17 Ends together via a pipe junction 19 connected to those expelled from the four cylinders Combine exhaust gases in a manifold 21, which over a flange connection 23 is screwed to the pipe junction 19 is.
  • the exhaust manifold 21 carries out the exhaust gases a silencer 25 to the exhaust end 13.
  • Exhaust manifold pipes 15 are designed as catalyst holder pipes 27, each of which has a catalytic converter inside 29 records. Pass through the combustion gases the exhaust gas catalysts contained in the exhaust gases harmful combustion products into less harmful Convert products. In particular, nitrogen oxides become nitrogen reduced, carbon monoxide is oxidized to carbon dioxide and hydrocarbons are oxidized to carbon dioxide and water.
  • the catalyst holder tube 27 has a first provided with the flange 17 Pipe area 31, with the flange 17 with the interposition a seal 33 with screws 35 fixed to the cylinder head 5 is connected. Within the first tube area 31 the catalytic converter 29 is added. In an exhaust gas flow direction 37 behind the first pipe area 31 Exhaust pipe 27 in a second pipe area 39, which the exhaust gases after flowing through the exhaust gas catalyst 29th leads to the pipe junction 19.
  • the first pipe area 31 has a larger inner diameter D1 than the second Pipe area 39, which has an inner diameter D2.
  • the catalyst holder tube 27 is with its two tube areas 31, 39 formed in one piece, being between the two Pipe areas 31, 39 a pipe taper 41 is provided as a transition is.
  • the exhaust gas catalytic converter 29 comprises a honeycomb body Catalyst carrier body 42, which in its Inside a variety of schematically illustrated Has flow channels 43, the surfaces with Catalyst material such as platinum and palladium are.
  • the flow channels 43 have along their length in essentially the same cross-section so that the entire Catalyst carrier body 42 has a cylindrical shape has, whose cross section in that described in Fig. 2 Embodiment is circular.
  • the catalyst carrier body 42 has a jacket 45 on its outer circumference.
  • the catalyst carrier body 42 is formed from a ceramic material, and the jacket 45 is on its outer surface with a Provided metal layer, which with a metal sleeve 47th is technically firmly connected.
  • the sleeve 47 holds the Catalyst 29 within the first pipe area 31 such that the jacket 45 at a distance A from the catalyst support tube 27 is arranged.
  • the sleeve 47 has a cross section the shape of an elongated S, where one connected to the jacket 45 of the catalyst carrier body 42 Area 49 and one on the inner wall of the first tube area 31 adjacent area 51 of the sleeve 47 parallel to one Axis 53 of the cylindrical catalyst carrier body 42 extend. Extends between areas 49 and 51 a central region 55 of the sleeve 47 starting from the region 49 towards the flange 17 radially outwards.
  • the one on the Area 51 of the inner tube of the first tube area 31 the sleeve 47 is welded to the catalyst holder tube 27, wherein a weld seam 57 is symbolically indicated in FIG. 2 is.
  • the cuff 59 is tight over the one end of the catalyst carrier body 42, then the catalyst carrier body is first with the cuff 59 inserted into the opening of the first tube region 31 and pushed so far that the catalyst carrier body 42nd is completely accommodated in the first tube region 31 and a distance B between an end face of the catalyst carrier body 42 and the pipe flange 17 is about 5 mm. Then the weld seam 57 between the catalyst holder tube 27 and the area 51 of the sleeve 47 either over the full extent or only a partial extent, for example by spot welding.
  • An exhaust gas catalytic converter shown in axial longitudinal section in FIG. 3 29a has a structure similar to that in FIGS 1 and 2 explained exhaust gas catalytic converter.
  • a catalyst carrier body 42a is both on its front as well as its rear end by a Sleeve 47a in a first tube region 31a of a catalyst holder tube 27a supported.
  • the two sleeves 47a each have S-shaped shape, starting from both of them from on an outer jacket 45a of a catalyst carrier body 42a moored area 49a via an intermediate area 55a extend radially outwards and towards a pipe flange 17a and with an end region 51a frictionally on an inner wall of the first tube region 31a.
  • the catalyst holder tube is again made in one piece, wherein the first tube section 31a has an inner diameter D1 has that is much larger than an inner diameter D2 of a tube region adjoining the first tube region 31a 39a for removing the exhaust gases.
  • the first Pipe area 31a relative to the second pipe area 39a extends that the one received in the first tube portion 31a
  • Catalyst carrier body 42a has a cross-sectional diameter D3 has which is larger than the inner diameter D2 of second pipe section 39a.
  • FIG. 4 An embodiment of the exhaust gas treatment arrangement shown in FIG. 4 is constructed similarly to that shown in Fig. 2 Arrangement. The difference is one of one Pipe flange 17b facing end of a catalyst carrier body 42b not opposed by a wire mesh sleeve supported by a catalyst holder tube 27b, but by a further sheet metal sleeve 47b, which one on the catalyst carrier body 42b defined area 49b, according to extending radially outward and away from the tube flange 17b middle area 55b and one on a first tube area 31b of the catalyst holder tube 27b abut frictionally Has area 51b.
  • the sleeve 47b extends over that on the catalyst tube 27b adjacent area 51b with an end area 65 radially inward again.
  • An embodiment of the exhaust gas treatment arrangement shown in FIG. 5 has a structure similar to that in FIG. 3 Exhaust treatment arrangement shown.
  • a catalyst carrier body 42c is in turn at its two axial ends Sheet metal sleeves 47c supported against a catalyst holder tube 27c.
  • this is a pipe flange 17c of the catalyst holder pipe 27c facing metal sleeve 47c with a an inner wall of a first tube portion 31c of the catalyst holding tube 27c adjacent area 51c with the catalyst holder tube 47c firmly connected by a weld seam 57c.
  • the other metal sleeve 47c abuts an area 51c to an inner wall of the first tube region 31c.
  • FIG. 6 Another embodiment of the exhaust gas treatment arrangement shown in FIG. 6 has a structure similar to the exhaust gas treatment arrangement explained with reference to FIG. 5. In contrast to this, however, is a pipe flange 17d facing metal sleeve 47d for supporting a catalyst carrier body 42d not with a catalyst holder tube 27d welded, but only frictionally inserted into this. For further vibration damping is in both metal sleeves 47d between which on a first tube region 31d of the Catalyst holder tube 27d adjacent areas 51d of the Metal sleeves 47d and an outer jacket 45d of the catalyst carrier body 42d inserted a metal braid sleeve 59d.
  • the first tube region 31d has an inner diameter D1 not directly into a second tube area 39d with an inside diameter of D2. Rather, between the a third pipe area 67 with both pipe areas 31d, 39d an inner diameter D4 which is smaller than the inner diameter D1 and larger than the inner diameter D2.
  • a stop shoulder formed on which facing away from the pipe flange 17d Sheet metal sleeve 47d comes to rest to prevent the catalyst carrier body from slipping 42 into the catalyst holder tube 27d to prevent.
  • FIG. 7 An embodiment of the exhaust gas treatment arrangement shown in FIG. 7 has a similar structure to that based on 6 illustrated embodiment.
  • a first tube portion 31e of a catalyst holding tube 27e a circumferential groove 71 in which a sheet metal sleeve 47e to support a catalyst carrier body 42e opposite the first tube region 31e snapped with a region 51e is to move the catalyst carrier body 42e both in the direction of the catalyst holder tube 27e as well as in this axially set opposite direction.
  • An exhaust gas treatment arrangement 1f shown in FIG. 8 has a structure similar to that with reference to FIG. 1 and FIG. 2 explained exhaust gas treatment arrangement. The difference however, for this purpose there is a front end face of catalyst carrier bodies 42f not substantially directly at exhaust gas discharge openings 9f arranged. Rather, they point End faces from the exhaust gas discharge openings a distance B from about 20 cm.
  • An exhaust gas treatment arrangement shown schematically in FIG. 9 1g has a structure that that shown in FIG. 8 Exhaust treatment arrangement is similar.
  • Exhaust treatment arrangement is similar.
  • each catalytic converter 29g is not separate from a single exhaust port 9g assigned. Rather, every catalytic converter is 29g of a group of two exhaust openings 9g assigned.
  • a catalyst holder tube 27g in which the catalytic converter 29g is included and pipe flanges 17g, which are screwed to the exhaust gas discharge openings 9g, a pipe junction 75 arranged to exhaust the two exhaust ports 9g to supply an exhaust gas catalytic converter 29g.
  • the second tube area close 39g the catalyst holder tube 27g, which in a another pipe junction 19g lead to the exhaust gases of all four cylinders of the engine 5g to a common manifold 21g merge.
  • the first tube area 31g and the second tube area 39g in turn from one single pipe piece manufactured.
  • the pipe junction is 75 welded to the first tube region 31g with a weld seam 77, which was manufactured after the catalyst carrier body 42g was inserted into the first tube area.
  • the Catalyst carrier body a ceramic catalyst carrier body, which is metallized on its outer jacket, um attached to it a metal sleeve for supporting the catalyst carrier body fix metallurgically in the catalyst holder tube to be able to.
  • the catalyst carrier body is also provided not to be made from a ceramic material, but from a metal material, then the attachment the metal sleeve is simplified.
  • a wire mesh boot used to support the catalyst carrier vibration-damping compared to the catalyst holder tube support.
  • This function is different but not limited to a wire mesh sleeve.
  • other cuffs can be provided, such as for example knitted fabrics or woven fabrics made of wires, ribbons, etc., which do not necessarily have to be made of metal and may include mineral fibers or the like.
  • each is in the first area of the catalyst holder tube each a single catalyst carrier body arranged.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
EP02027712A 2002-04-12 2002-12-11 Dispositif de traitement de gaz d'échappement pour moteur à combustion interne Withdrawn EP1353049A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002116272 DE10216272B9 (de) 2002-04-12 2002-04-12 Abgasbehandlungsanordnung für eine Brennkraftmaschine
DE10216272 2002-04-12

Publications (2)

Publication Number Publication Date
EP1353049A2 true EP1353049A2 (fr) 2003-10-15
EP1353049A3 EP1353049A3 (fr) 2006-03-29

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Application Number Title Priority Date Filing Date
EP02027712A Withdrawn EP1353049A3 (fr) 2002-04-12 2002-12-11 Dispositif de traitement de gaz d'échappement pour moteur à combustion interne

Country Status (2)

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EP (1) EP1353049A3 (fr)
DE (1) DE10216272B9 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1659271A2 (fr) 2004-11-19 2006-05-24 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Dispositif de montage pour un catalyseur céramique d'un moteur dans une boîte
WO2006097246A1 (fr) 2005-03-16 2006-09-21 Emitec Gesellschaft Für Emissionstechnologie Mbh Boitier d'un composant de traitement des gaz d'echappement dote d'une douille de renforcement
EP1715154A3 (fr) * 2005-04-18 2007-03-21 J. Eberspächer GmbH & Co. KG Dispositif de traitement de gaz d'échappement dans une ligne d'échappement
WO2008028709A1 (fr) * 2006-09-08 2008-03-13 Robert Bosch Gmbh Dispositif de traitement des gaz d'échappement et son utilisation
EP1688600A3 (fr) * 2005-02-02 2008-05-14 Pankl Emission Control Systems GmbH Dispositif pour purifier les gaz d'échappement d'un véhicule
WO2008095625A1 (fr) * 2007-02-06 2008-08-14 Volkswagen Aktiengesellschaft Tôle d'enveloppe tubulaire, module d'épuration des gaz d'échappement équipé d'une tôle d'enveloppe tubulaire, et procédé de production d'une tôle d'enveloppe tubulaire pouvant être fixée
FR2985775A1 (fr) * 2012-01-16 2013-07-19 Renault Sa Collecteur d'echappement et organe d'echappement comportant un tel collecteur.
CN113107659A (zh) * 2020-01-09 2021-07-13 埃贝斯佩歇排气技术有限公司 排气装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20313033U1 (de) 2003-08-21 2003-10-30 HJS Fahrzeugtechnik GmbH & Co. KG, 58706 Menden Sintermetallpartikelfilter
DE102004018693B4 (de) * 2004-04-17 2007-09-06 Daimlerchrysler Ag Abgasanlage
DE102004023585B4 (de) * 2004-05-13 2008-04-10 Adam Opel Ag Katalysatorbefestigung, Befestigung am Flansch Katalysatorausgang, ohne Schweißverbindung
DE102007011956A1 (de) 2007-03-09 2008-09-11 J. Eberspächer GmbH & Co. KG Abgasbehandlungseinrichtung und zugehöriges Herstellungsverfahren
DE102010045871A1 (de) * 2010-09-17 2012-03-22 Emitec Gesellschaft Für Emissionstechnologie Mbh Abgasbehandlungseinheit für eine AGR-Leitung
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EP1659271A2 (fr) 2004-11-19 2006-05-24 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Dispositif de montage pour un catalyseur céramique d'un moteur dans une boîte
EP1659271A3 (fr) * 2004-11-19 2006-06-07 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Dispositif de montage pour un catalyseur céramique d'un moteur dans une boîte
EP1688600A3 (fr) * 2005-02-02 2008-05-14 Pankl Emission Control Systems GmbH Dispositif pour purifier les gaz d'échappement d'un véhicule
WO2006097246A1 (fr) 2005-03-16 2006-09-21 Emitec Gesellschaft Für Emissionstechnologie Mbh Boitier d'un composant de traitement des gaz d'echappement dote d'une douille de renforcement
US8110153B2 (en) 2005-03-16 2012-02-07 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Housing for an exhaust gas treatment component with a reinforcing sleeve, exhaust gas treatment component, exhaust system and motor vehicle
EP1715154A3 (fr) * 2005-04-18 2007-03-21 J. Eberspächer GmbH & Co. KG Dispositif de traitement de gaz d'échappement dans une ligne d'échappement
WO2008028709A1 (fr) * 2006-09-08 2008-03-13 Robert Bosch Gmbh Dispositif de traitement des gaz d'échappement et son utilisation
WO2008095625A1 (fr) * 2007-02-06 2008-08-14 Volkswagen Aktiengesellschaft Tôle d'enveloppe tubulaire, module d'épuration des gaz d'échappement équipé d'une tôle d'enveloppe tubulaire, et procédé de production d'une tôle d'enveloppe tubulaire pouvant être fixée
FR2985775A1 (fr) * 2012-01-16 2013-07-19 Renault Sa Collecteur d'echappement et organe d'echappement comportant un tel collecteur.
WO2013107979A1 (fr) * 2012-01-16 2013-07-25 Renault S.A.S. Collecteur d'échappement et organe d'échappement comportant un tel collecteur
CN113107659A (zh) * 2020-01-09 2021-07-13 埃贝斯佩歇排气技术有限公司 排气装置

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DE10216272B9 (de) 2006-05-18
EP1353049A3 (fr) 2006-03-29
DE10216272B4 (de) 2005-11-17

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