EP3009623B1 - Komponente einer abgasanlage und halterung für diese komponente - Google Patents

Komponente einer abgasanlage und halterung für diese komponente Download PDF

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Publication number
EP3009623B1
EP3009623B1 EP15186886.6A EP15186886A EP3009623B1 EP 3009623 B1 EP3009623 B1 EP 3009623B1 EP 15186886 A EP15186886 A EP 15186886A EP 3009623 B1 EP3009623 B1 EP 3009623B1
Authority
EP
European Patent Office
Prior art keywords
holding
holding pipe
holding tube
component according
pipe
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
EP15186886.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3009623A1 (de
Inventor
Jürgen KOBE
Frank Berkemer
Martin Siring
Frank Müller
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
Application filed by Eberspaecher Exhaust Technology GmbH and Co KG filed Critical Eberspaecher Exhaust Technology GmbH and Co KG
Priority to PL15186886T priority Critical patent/PL3009623T3/pl
Publication of EP3009623A1 publication Critical patent/EP3009623A1/de
Application granted granted Critical
Publication of EP3009623B1 publication Critical patent/EP3009623B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01N13/007—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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • 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
    • F01N13/08—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 ; 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
    • F01N13/1805—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
    • 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
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • F01N13/1822—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration for fixing exhaust pipes or devices 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
    • 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
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1827—Sealings specially adapted for exhaust systems
    • 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
    • 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
    • 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
    • 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
    • F01N2260/18—Exhaust treating devices having provisions not otherwise provided for for improving rigidity, e.g. by wings, ribs
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated
    • 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

Definitions

  • the present invention relates to a component of an exhaust system for an internal combustion engine, in particular a motor vehicle, having the features of the preamble of claim 1.
  • the invention also relates to an exhaust system equipped with at least one such component.
  • a generic exhaust system component in the form of a muffler known.
  • Such a component comprises a housing which has a jacket, two end floors and at least one intermediate floor.
  • the shell encloses an interior of the housing in a circumferential direction, while the two end floors define the interior at opposite ends in an axial direction and are fixedly connected to the shell.
  • the intermediate floor is arranged axially between the end floors in the interior and is supported radially on the jacket.
  • holders For holding an exhaust system on a periphery of the exhaust system, for example on an underbody of a motor vehicle, holders are used, which are fixedly connected at one end with a structure of the periphery of the exhaust system and the other end with a structure of the exhaust system.
  • Preference is given to welded joints are used.
  • said holding body may be welded to the jacket or to one of the end shelves.
  • an exhaust manifold with integrated muffler in which a plurality of exhaust gas flow through exhaust manifolds are fixed via a flange on the cylinder head of an internal combustion engine and hineinerarranged into a housing of the muffler.
  • the silencer housing is attached to the manifold pipes and thus also fixed to the cylinder head.
  • the present invention is concerned with the problem of providing an improved embodiment for a component of the type mentioned above or for an exhaust system equipped therewith, which is characterized in particular by the fact that the possibility of a connection to a periphery of the exhaust system is improved. In particular, the risk of damage to the component during operation of the exhaust system should be reduced.
  • the invention is based on the general idea, with the help of at least one holding tube on the housing to create a stop that allows a high power transmission between an attacking on the holding tube holder and the component.
  • the respective holding tube is held in the interior of the housing to said intermediate floor and passed through one of the end floors and attached thereto.
  • the holding tube is also sealed gas-tight, such that no exhaust gas can escape through the holding tube in the environment of the component.
  • a stop is provided according to the invention with the help of the holding tube at a side facing away from the interior of the outside of said end floor, to which a holder for holding the component or the exhaust system can attack on a periphery.
  • the risk of damaging the end base or the jacket is reduced, so that it is also readily possible to use reduced wall thicknesses for the realization of the jacket or of the respective end floor.
  • gas-tight in the present context is to be understood as a sufficient seal against the gases typically occurring in an exhaust system, ie exhaust gas of the internal combustion engine and air.
  • the respective holding tube is at least radially held or supported on the respective intermediate bottom.
  • bending moments which are transmitted to the housing via a holding tube engaging on the holder, are particularly favorable supported by the holding tube on the respective end floor and on the other intermediate floor, the forces occurring due to the axial distance between the end floor and intermediate bottom are relatively small.
  • a welded joint between the holder and the holding tube is largely relieved of these moments.
  • an axial distance between the end base, through which the holding tube is passed, and the intermediate bottom, on which the holding tube is supported comparatively large.
  • this axial distance can amount to at least 50% of a diameter of the housing.
  • the distance is at least 100% of the diameter of the housing.
  • the respective holding tube thus serves for fastening a holder to the housing, with which the component can be connected to the periphery of the exhaust system.
  • the holding tube is gas-tight, so that it does not allow gas exchange between the interior of the housing and the environment of the component.
  • the retaining tube is in any case neither an inlet tube through which exhaust gas can enter the housing, nor an outlet tube through which exhaust gas can escape from the housing.
  • the end floor may have a bottom opening through which the holding tube is passed and which is enclosed by an annular collar which is gas-tight and firmly connected to the holding tube.
  • an annular collar which is gas-tight and firmly connected to the holding tube.
  • a welded joint can be used, for example in the form of a peripheral weld, in order to simultaneously realize the fixation and the seal.
  • a solder joint or an adhesive bond can also be used here.
  • the use of an annular collar, which is issued by the respective end floor, so-called “draft” or so-called “Austulpung” improves the power transmission between the holding tube and the end floor, so that larger forces can be transmitted.
  • a holder for connecting the component to a periphery of the exhaust system may be attached to the holding tube on a side facing away from the interior of the outside of the respective end base.
  • a holder for connecting the component to a periphery of the exhaust system may be attached to the holding tube on a side facing away from the interior of the outside of the respective end base. In this case, the holder counts to the scope of the component, which facilitates a proper fixation of the holder to the component.
  • the holder may have a tubular body which is axially inserted with the holding tube and is firmly connected to the holding tube.
  • the tubular body can be inserted into the holding tube. It is also conceivable arguestecken the tubular body on the holding tube.
  • the holding tube may end in the area of the bottom opening.
  • the tube body is slipped onto the holding tube, the holding tube projects axially beyond the end base.
  • a firm connection between holding tube and tubular body can be realized particularly easily, for example via a corresponding press fit.
  • a welded connection is preferred for a simplified assembly.
  • a solder joint or an adhesive bond is conceivable.
  • tubular body, the holding tube and the annular collar can be fastened to each other by means of a common weld seam. This makes it possible to realize the component with attached holder particularly simple and inexpensive.
  • the holding tube may have a stepped cross-section, wherein the holding tube in the region of the end base has a larger cross-section than in the region of the intermediate bottom.
  • the stepped one Holding tube is very easy to assemble.
  • the holding tube can be inserted through the bottom opening in the housing.
  • the tubular body can be inserted into the holding tube, wherein an annular step of the holding tube, which separates two regions of different cross sections, serves as an axial stop for limiting the insertion depth of the tubular body.
  • the stepped construction of the holding tube thus receives an additional function, which simplifies the production of the component with holder.
  • the holder may have a holding arm having a holder opening into which the holding tube is inserted, wherein the holding arm is fixed in the region of the holding opening on the holding tube.
  • a welded connection a soldered connection or an adhesive connection may be considered, with a welded connection being preferred here as well.
  • the holding tube protrudes axially beyond the respective end floor, so that on the outside of the holding arm can be attached to the holding tube. Nevertheless, such an arrangement is relatively compact and allows a large power transmission between the holder and housing, namely on the holding tube.
  • the holding arm may be a hollow body and having two parallel walls, which are preferably fixedly connected to each other and each having a wall opening, which together form the holder opening, wherein the holding tube is fixedly connected to both walls.
  • the holding arm to a sheet metal part, which is made of a single piece of sheet metal by forming.
  • the support arm may also be a shell body, so be made of two or more shells.
  • the support arm is made bivalve, so that two shells are provided, each having one of the walls and which may be secured to each other in a suitable manner, for example by means of welded joints.
  • the walls may have passages, each forming a wall opening enclosing the associated wall opening, which improves the transmission of power between the holding tube and the wall. Also, circumferential welds can then be easier to produce.
  • the holding tube may be fastened to the intermediate bottom on a side facing the respective end bottom.
  • the holding tube is supported not only radially but also axially on the intermediate bottom, which improves the structural integration of the holding tube in the housing.
  • the holding tube can pass through the intermediate bottom in a corresponding bottom opening and be radially supported at an opening edge.
  • the holding tube penetrates the intermediate bottom. This can simplify the production, in particular when the holding tube is loosely supported on the intermediate bottom to form a sliding seat, so that relative axial movements between holding tube and intermediate bottom are possible, for example for reducing thermally induced stresses.
  • the holding tube may have a closure which seals the holding tube in a gastight manner.
  • the closure preferably represents a separate component with respect to the holding tube, which subsequently attached to the holding tube or installed in the holding tube. The gas-tight closing of the holding tube ensures that no gas exchange between the interior and an environment of the housing can take place through the holding tube.
  • the closure can in principle be designed as a partition wall, which is inserted in the region of an axial end of the holding tube in the holding tube and is connected in a gastight manner with the holding tube.
  • the partition may in principle be arranged at any position between the inner end of the holding tube and the outer end of the holding tube, wherein in addition a positioning at the inner end and a positioning at the outer end are possible. If the partition wall is arranged at one of the axial ends of the holding tube, the holding tube surrounds a cavity which is either open only to the interior or is open only to the surroundings of the housing.
  • the dividing wall simultaneously divides the cavity of the holding tube into an inner section communicating with the inner space and an outer section communicating with the surroundings of the housing.
  • the cavity open to the interior or the interior section open to the interior can in a preferred embodiment additionally be equipped with a gas guidance function and / or with a sound guidance function.
  • the holding tube may have a perforation, whereby said cavity of the holding tube or said inner portion of the holding tube is in communication with a holding chamber surrounding the first tube.
  • This first chamber may be separated, for example, by the intermediate bottom of a second chamber.
  • the open inner end of the holding tube may be connected to the second space through the intermediate bottom.
  • a connection between the two chambers can be made through the holding tube, for example, to allow a corresponding gas flow and / or to effect a certain sound conduction.
  • the first chamber may be a resonance chamber or an absorption chamber.
  • the closure is designed as a cap which is attached to an axial end of the holding tube.
  • the holding tube has no gas-conducting and / or sound-conducting effect.
  • the holding tube can be particularly easily integrated into existing concepts of such a component.
  • the cap can be arranged on the holding tube in the region of the end tube through which the holding tube passes, so that the cavity enclosed by the holding tube is open in the interior of the housing.
  • Conceivable here is a targeted tuning of the holding tube as a resonance muffler, for example in the form of a ⁇ / 2 tube or in the form of a ⁇ / 4 tube.
  • the cap can be arranged in the region of the intermediate bottom on the holding tube and be firmly connected to the intermediate bottom and to the holding tube.
  • the fixation of the holding tube on the false bottom is not directly, but indirectly, namely on the cap.
  • this can greatly simplify the fixation of the holding tube on the intermediate bottom. It is conceivable in particular a separate production of the holding tube with cap and a later installation of this assembly consisting of holding tube and cap in the housing. Appropriately, this assembly can be tested for their gas tightness prior to their installation in the housing, resulting in a high reliability for each component.
  • the fixation between the assembly and the intermediate floor can be produce particularly simple, for example by means of a welding point, which connects the intermediate bottom firmly with the cap.
  • the intermediate bottom may have a complementary to the axial end face of the holding tube or complementary to the cap shaped recess, so that a recess enclosing peripheral edge allows a positive radial support of the holding tube on the intermediate bottom. At least can be effected during assembly with the help of such depression centering or positioning.
  • an opening in the intermediate bottom may be formed, whereby a cavity enclosed by the holding tube is connected to a chamber of the housing, which is arranged on the intermediate bottom on a side remote from the holding tube, when the holding tube ends open in the depression.
  • This component is preferably a silencer.
  • the component may also be a catalyst or a particulate filter.
  • combined components are also conceivable if at least two members from the group consisting of muffler, catalytic converter and particle filter are arranged in a common housing.
  • An exhaust gas system comprises at least one exhaust gas line, which has at least one exhaust manifold on the inlet side and at least one tail pipe on the outlet side. Furthermore, the exhaust system has at least one component of the type described above, which is arranged in the exhaust line.
  • an exhaust system 1 comprises at least one exhaust system 2.
  • the exhaust system 1 is used for discharging combustion exhaust gases, short exhaust, from an internal combustion engine 3, which may be arranged in particular in a motor vehicle.
  • the exhaust gas line 2 is provided on the inlet side with at least one exhaust manifold 4 and on the outlet side with at least one tail pipe 5.
  • the exhaust system 1 is also equipped with at least one component 6, which will be described below with reference to FIGS. 3 to 14 is explained in more detail.
  • this component 6 is configured as a muffler, preferably as an end muffler, so that the component 6 can also be referred to below as a muffler 6.
  • such a component 6 can also be used as a particle filter or as a catalyst or from any combination of at least one catalyst, at least be formed of a particulate filter and at least one muffler.
  • the exhaust line 2 includes a further component 7, which is designed as a muffler or catalytic converter or particle filter.
  • the respective component 6, 7 is arranged in the exhaust gas line 2, that is integrated in the exhaust gas guide.
  • the exhaust system 1 or its exhaust line 2 is connected via a plurality of stops 8 with a periphery 9 of the exhaust system 1.
  • the exhaust system 1 is suspended via the stops 8 on an underbody of the vehicle, which forms the periphery 9 of the exhaust system 1.
  • At least one of these stops 8 is formed by means of a holder 10, which is firmly connected to the aforementioned component 6 or to the muffler 6. This holder 10 is exposed to particularly high loads, since the muffler 6 has a comparatively high mass.
  • FIGS. 3 to 14 includes the component 6, which is preferably designed as a muffler 6, a housing 11, which has a jacket 12, two end shelves 13, 14 and at least one intermediate bottom 15.
  • the component 6 which is preferably designed as a muffler 6, a housing 11, which has a jacket 12, two end shelves 13, 14 and at least one intermediate bottom 15.
  • 10 and 11 is the respective intermediate floor 15 recognizable.
  • a further intermediate bottom 16 is provided in addition to the intermediate bottom 15.
  • more than two shelves 15, 16 may be present.
  • the housing 11 is designed here substantially cylindrical, whereby it defines a longitudinal axis or axial direction 17, which is indicated in the figures by a double arrow.
  • the jacket 12 encloses an interior 18 of the housing 11 in a circumferential direction 19, which in the Figures 5 . 7 and 12 to 14 each indicated by a double arrow.
  • the circumferential direction 19 refers to the axial direction 17 or to the longitudinal center axis of the housing 11, not shown here.
  • the two end plates 13, 14 are arranged on the two end sides of the housing 11, so that they at opposite ends of the interior 18 in the axial direction 17 limit. Furthermore, the two end floors 13, 14 are each firmly connected to the jacket 12. Suitable bonding techniques include, for example, a crimp connection.
  • the end bottoms 13, 14 are welded to the shell 12.
  • the respective intermediate floor 15, 16 is arranged axially between the end floors 13, 14 and also spaced apart in the axial direction 17 from the respective end floor 13, 14.
  • the respective intermediate bottom 15, 16 is supported radially on the jacket 12.
  • the respective intermediate floor 15, 16 may be fixed to the casing 12, for example by means of welding points. In principle, however, a loose arrangement of the intermediate bottom 15, 16 on the jacket 12 is conceivable.
  • the intermediate bottom 15 is positioned at a distance from both end floors 13, 14 in the axial direction 17.
  • the intermediate bottom 15 has an axial distance A from the end base 13, which in the example is approximately the same size as a diameter D of the housing 11, which the housing 11 has transversely to the axial direction 17 in a region between the intermediate bottom 15 and the end bottom 13.
  • an exhaust pipe 20 of the exhaust line 2 during operation of the exhaust system 1 exhaust gas of the component 6 to.
  • the exhaust pipe 20 is connected to the jacket 12, while the tailpipes 5 are connected to one of the two end floors 13, 14.
  • the component 6 presented here is also equipped with at least one holding tube 22, which in the FIGS. 5 to 13 is recognizable.
  • the holding tube 22 is held radially in the interior 18 at the intermediate bottom 15. Further, the holding tube 22 is passed through one of the end plates 13, 14 and fixed thereto. In addition, the holding tube 22 is sealed gas-tight.
  • the holding tube 22 is accordingly supported in an outer region 23, ie in the region of a proximal outer end 24 of the holding tube 22 to the said end base 13, while in an inner region 25, that is to say in the region of the holding tube 22 penetrated end bottom 13 distal inner end 26 of the holding tube 22 supported on the intermediate bottom 15.
  • the two support portions 23, 25 are spaced apart in the axial direction 17, whereby the support tube 22 can support comparatively high bending moments on the housing 11.
  • the respective end floor 13 has a bottom opening 27 which is bordered by an annular collar 28. Through the bottom opening 27, the holding tube 22 is passed, being gas-tight and firmly connected to the annular collar 28.
  • a welded connection is used here.
  • FIGS. 1 to 4 basically and in detail the FIGS. 12 to 14 can be seen, 13 is attached to the holding tube 22 on an outer side 29 of the associated end plate 13 such a holder.
  • the component 6 can be firmly connected to the periphery 9 of the exhaust system 1.
  • the holder 10 can according to the FIGS. 12 to 14 be equipped in the usual way with an elastomeric bearing 30.
  • the outer side 29 of the end plate 13 is remote from the interior 18.
  • the holder 10 is equipped with a tubular body 31 which is axially inserted with the holding tube 22.
  • the tubular body 31 is inserted axially into the holding tube 22.
  • the pipe body 31 is fixedly connected to the holding tube 22.
  • a common, continuous circumferential weld 32 may be provided, which is indicated in Figure 12 only in the region of a circumferential segment.
  • holding tube 22 and annular collar 28 are fastened together.
  • the weld 32 connects on the one hand the holding tube 22 with the annular collar 28 and on the other hand, the tubular body 31 with the holding tube 22.
  • 10 and 12 ends the holding tube 22 in the region of the annular collar 28, wherein it protrudes axially only so far beyond the annular collar 28, that said weld 32 can be made easily.
  • the holding tube 22 has a stepped cross section, wherein the holding tube 22 in the examples shown in each case only a single annular step 33 has.
  • the annular step 33 forms the transition between a first section 34, which has a first cross section 35, and a second longitudinal section 36, which has a second cross section 37.
  • the first longitudinal section 34 is arranged distally with respect to the end floor 13 penetrating the holding tube 22, while the second longitudinal section 36 is arranged proximally with respect to this end floor 13.
  • the first longitudinal section 34 has a smaller cross section than the second longitudinal section 36.
  • the second cross section 37 is larger than the first cross section 35.
  • the holding tube 22 in the region of the end plate 13 has a larger cross section than in the region of the intermediate bottom 15th
  • the tube body 31 of the holder 10 can now be matched to the holding tube 22 so that it can be inserted axially therein, wherein also the ring step 33 serves as an axial stop for limiting the insertion depth of the tubular body 31.
  • the holder 10 has a holding arm 38, which has a holder opening 39, into which the holding tube 22 is inserted.
  • the holding tube 22 according to the FIGS. 5 to 7 . 11 . 13 and 14 axially above said end floor 13.
  • the holding arm 38 can then be secured in the region of the holder opening 39 in a suitable manner on the holding tube 22.
  • welded joints for this purpose, in a special way again welded joints.
  • the holding arm 38 is a hollow body, which is characterized by a low weight.
  • the holding arm 38 thereby has two parallel walls 40 and 41, which are preferably fixedly connected to each other.
  • the one wall 40 is in FIG. 13 facing the viewer.
  • the other wall 41 is in FIG. 14 facing the viewer.
  • Each wall 40, 41 has a wall opening 42 and 43 which are axially aligned with each other and together form the holder opening 39.
  • the holding tube 22 is inserted through both wall openings 42, 43 and firmly connected in the region of the respective wall opening 42, 43 with the respective wall 40, 41. Accordingly, the holding tube 22 is fixedly connected to both walls 40, 41.
  • the holding arm 38 is designed with two shells, so that it has two shells, which are each formed by angled sheet metal pieces and each having one of the walls 40, 41.
  • the two shells can be firmly connected to each other by means of corresponding welds.
  • the respective wall 40, 41 has in the region of the respective wall opening 42, 43 in each case a passage 44 or 45, which forms an annular enclosure for the respective wall opening 42, 43.
  • the respective wall 40, 41 to be connected to the holding tube 42 by corresponding, not shown here welds or welds.
  • the holding tube 22 may be attached to a respective end bottom 13 facing side 46 of the intermediate bottom 15 on the intermediate bottom 15, for example by means of a welding point 47. This results in an axial and radial support of the holding tube 22 at the intermediate bottom 15th
  • the holding tube 22 is equipped with a closure 48, which closes the holding tube 22 gas-tight.
  • the closure 48 is designed as a cap 49, which is attached to the inner end 26 of the holding tube 22.
  • the cap 49 is suitably gas-tight and firmly connected to the holding tube 22.
  • the cap 49 may be soldered to the holding tube 22.
  • a welded connection is also preferred here.
  • the cap 49 is fixed directly to the intermediate bottom 15, while the holding tube 22 is in turn fixed directly to the cap 49, so that ultimately the holding tube 22 not directly on the intermediate bottom 15, but indirectly, namely attached via the cap 49 on the intermediate bottom 15 is.
  • a cavity 52 of the holding tube 22 is completely fluidly separated from the interior 18 of the housing 11, namely in the circumferential direction through the holding tube 22 and in the axial direction through the closure 48.
  • FIGS. 12 to 14 is attached to the outside 29 of the end plate 13, a holder 53, via which a vibration damper, not shown here, can be connected to the housing 11.
  • a vibration damper not shown here

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
EP15186886.6A 2014-10-17 2015-09-25 Komponente einer abgasanlage und halterung für diese komponente Active EP3009623B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15186886T PL3009623T3 (pl) 2014-10-17 2015-09-25 Część składowa układu wydechowego i zamocowanie dla tej części składowej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014221151.4A DE102014221151B4 (de) 2014-10-17 2014-10-17 Komponente einer Abgasanlage

Publications (2)

Publication Number Publication Date
EP3009623A1 EP3009623A1 (de) 2016-04-20
EP3009623B1 true EP3009623B1 (de) 2018-03-21

Family

ID=54199116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15186886.6A Active EP3009623B1 (de) 2014-10-17 2015-09-25 Komponente einer abgasanlage und halterung für diese komponente

Country Status (9)

Country Link
US (1) US9546587B2 (es)
EP (1) EP3009623B1 (es)
CN (1) CN105525973B (es)
DE (1) DE102014221151B4 (es)
ES (1) ES2670356T3 (es)
HU (1) HUE038711T2 (es)
PL (1) PL3009623T3 (es)
PT (1) PT3009623T (es)
RU (1) RU2618729C2 (es)

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US9662968B2 (en) * 2014-02-14 2017-05-30 Cnh Industrial America Llc Mounting assembly for a diesel oxidation catalyst system of a work vehicle
FR3065488B1 (fr) * 2017-04-20 2019-06-28 Faurecia Systemes D'echappement Element de ligne d'echappement et procede de fabrication d'un tel element
JP7000143B2 (ja) * 2017-12-18 2022-01-19 トヨタ自動車株式会社 排気系部品の支持構造
RU196363U1 (ru) * 2019-10-08 2020-02-26 Акционерное общество "Военно-промышленная корпорация "Научно-производственное объединение машиностроения" Глушитель шума выхлопных газов двигателя внутреннего сгорания

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Also Published As

Publication number Publication date
DE102014221151A1 (de) 2016-04-21
EP3009623A1 (de) 2016-04-20
HUE038711T2 (hu) 2018-11-28
CN105525973A (zh) 2016-04-27
CN105525973B (zh) 2020-01-14
PL3009623T3 (pl) 2018-08-31
US9546587B2 (en) 2017-01-17
ES2670356T3 (es) 2018-05-30
DE102014221151B4 (de) 2022-12-08
US20160108792A1 (en) 2016-04-21
PT3009623T (pt) 2018-06-08
RU2618729C2 (ru) 2017-05-11

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