EP2088293B1 - Procédé de fabrication d'un agencement comprenant un composant doté d'une isolation, et un tel agencement - Google Patents

Procédé de fabrication d'un agencement comprenant un composant doté d'une isolation, et un tel agencement Download PDF

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Publication number
EP2088293B1
EP2088293B1 EP09001643A EP09001643A EP2088293B1 EP 2088293 B1 EP2088293 B1 EP 2088293B1 EP 09001643 A EP09001643 A EP 09001643A EP 09001643 A EP09001643 A EP 09001643A EP 2088293 B1 EP2088293 B1 EP 2088293B1
Authority
EP
European Patent Office
Prior art keywords
component
insulation
manufactured
recesses
casting process
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.)
Not-in-force
Application number
EP09001643A
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German (de)
English (en)
Other versions
EP2088293A1 (fr
Inventor
Michael Becker
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.)
BDD Beteiligungs GmbH
Original Assignee
BDD Beteiligungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BDD Beteiligungs GmbH filed Critical BDD Beteiligungs GmbH
Publication of EP2088293A1 publication Critical patent/EP2088293A1/fr
Application granted granted Critical
Publication of EP2088293B1 publication Critical patent/EP2088293B1/fr
Not-in-force 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
    • F01N13/18—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
    • 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
    • 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
    • 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
    • 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
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F01N13/185—Mechanical joints the connection being realised by deforming housing, tube, baffle, plate, or parts thereof
    • 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
    • F01N13/1861—Construction facilitating manufacture, assembly, or disassembly the assembly using parts formed by casting or moulding
    • 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
    • F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts 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
    • 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

Definitions

  • the invention relates to a method for producing an arrangement, comprising a component with an insulation, according to the features indicated in the preamble of patent claim 1. Furthermore, the invention relates to such an arrangement.
  • the component is designed in particular as an exhaust pipe of an internal combustion engine or an engine and by a hot medium, namely the exhaust gas, can flow.
  • the component is at least partially surrounded by an insulation or covering device for the purpose of thermal and / or acoustic insulation.
  • a fastening device is provided, which is expediently designed as a clamping device, wherein advantageously a spring-elastic element is provided.
  • an exhaust damper with a flow of exhaust gases through Schalldämpfungsharm It comprises a damping cover, which is fastened by screws to the outer surface of the sound-absorbing body.
  • the silencer-shaped recesses formed in the sound-damping body and the damping cover have shaped elevations which respectively correspond to one another in such a way that the elevations of the damping cover can be introduced into the depressions of the sound-damping body. There are provided screw at these contact points.
  • the US 4,238,454 shows the structure of a catalyst having, inter alia, two cover shells. In each case between one of the cover shells and a lying inside the housing shell a heat insulation mat is arranged.
  • the cover shells have a series of depressions which in the assembled state press the heat insulation mats against the outer surface of the respective housing shell and fix them in their position.
  • the invention has the object to further develop the method and the arrangement with a low design effort to that the production and / or attachment of the insulation on the component can be carried out in a simple manner, while nevertheless a functionally reliable and / or the requirements of practice-fulfilling attachment should be achieved.
  • the production with constant and / or reproducible quality should be feasible.
  • the time and / or assembly effort in the preparation of the arrangement and / or the connection of the insulation with the Component, in particular with regard to the correct positioning of the insulation with respect to the component to be reduced.
  • the manufacturing method according to the invention allows the determination and connection of the insulation on the component with little effort, which in particular by a hot medium, such as exhaust gas, can flow.
  • the component contains recesses formed in particular as cutouts, to which corresponding characteristics of the insulation are assigned.
  • the characteristics of the insulation engage in the recesses of the component, whereby an exact positioning and alignment of the insulation is ensured with respect to the component during assembly.
  • the recesses are advantageously introduced into the outer surface of the component, in particular by milling predetermined areas of the outer surface of the component.
  • the recesses which can also be referred to as Zentrierfräsoder are advantageously carried out with the same system or machine, with which predetermined parts or areas of the component are processed.
  • the component preferably made of metal, which is produced by a casting process is machined in a known manner, in particular by grinding and / or milling at predetermined regions. Mentioned here are, for example, for connection to an aggregate or an internal combustion engine provided areas or parts, which are preferably processed by grinding and / or milling, in particular to equalize the casting surface and / or remove scale skin, according to the invention also said recesses in the Surface and / or outer surface of the component are introduced.
  • the recesses which are also referred to below as milling or Zentrierfräsungen are preferably produced by means of a special milling, for example, a five-axis milling machine, and in an advantageous manner in the machining and / or machining operation, with which in particular flanges and / or holes are processed, which are provided for attachment and / or connection of the component to the unit. It should be expressly stated that the recesses are introduced into the component not only in the context and / or in the area of the aforementioned flanges or bores or the like, but additionally or alternatively on or in such areas of the outer surface and / or surface of the component, which allow a predetermined positioning of the insulation in combination with their characteristics.
  • connection regions of the insulation with the component said recesses are arranged, and by the removal and / or grinding and / or milling of the surface and / or outer surface of the component this is prepared for the production of a welded joint with the insulation.
  • the insulation formed as a molded part which is preferably constructed of at least two partial shells or half shells and / or is formed as integral insulation and preferably has film half shells, in particular stainless steel foil half shells, contains the said with the recesses of the component corresponding and engaging in these forms.
  • the firm connection between the insulation and the component is produced, with consistent and / or reproducible quality due to the previous preparation of the surface and / or outer surface of the component in the connection area or the milling or grinding the casting surface and / or the scale skin.
  • the welded joint or welded joints are made in particular by spot welding, in the recesses of the component and in the latter intervening forms of isolation.
  • the production of the welded joints, preferably by spot welding can be carried out in a simple manner and with high precision, preferably by means of automatic welding machines, whereby a functionally reliable and permanent fixing of the insulation on the component is ensured.
  • the arrangement produced according to the invention is characterized by a robust and / or highly durable construction. Due to the immediate and / or tight installation of the insulation on the component, which is present in the connection areas with the characteristics and the corresponding recesses, not only is a reliable one Sealing achieved, but also prevents leakage of the usually usual fibrous insulation materials, which are present in the interior of the insulation and / or integral insulation. It should be noted that the insulation, at least the outer sheath and / or inner sheath of metal or metal foils are preferably constructed to form an interior, in which the insulating material or the insulating material is arranged.
  • the embossments of the insulation engaging in the recesses of the component are each surrounded by an embossing region which projects beyond the surface of the insulation at a predetermined distance on the side remote from the component.
  • the respective embossing region, as well as the features pointing in the opposite direction, namely towards the component, are preferably produced in the same process step and / or preferred during the formation of the insulation and / or its subshells, adapted to the outer surface of the component to be insulated.
  • the insulation is formed as a molded part and / or adapted to the outer contour of the component, in particular taking into account the upper limit of the casting tolerance. If the component is manufactured in the region of the upper limit of the casting tolerance, then the insulation lies at least in the connection region and / or the region surrounding the recess on the outer surface and / or the scale skin of the component, so that a tight contact of the insulation on the component is achieved . If, on the other hand, the workpiece is manufactured with the lower limit of the pouring tolerance, then after the welded connection has been produced, a tight seal of the insulation on the component is not present at first.
  • the insulation is then subsequently stamped in such a way that it bears against the outer surface of the component, an initially existing gap between the insulation and the surface of the component being closed. This also applies equally to those components whose surfaces are within the tolerance range of the casting tolerance. Due to the embossing region projecting in a preferred manner over the surface of the insulation, during springing-on, a spring-back and / or spring-back of the insulation is prevented.
  • Fig. 1 shows the formed as the exhaust manifold of a motor component 2 and two partial or half shells 4, 6 of the insulation, which are preferably formed as a film half shells, in particular Edeistahlfolien Halbschalen, an integral insulation.
  • the insulation or its half-shells contain in a known manner as metal foils formed inner walls and outer walls, between which a filled with insulating interior is present.
  • the component 2 contains a predetermined number of recesses 8, which are introduced in particular by milling in the component and / or formed as Zentrierfräsungen.
  • Corresponding and / or analogous to the Recesses 8 contains the insulation, here the half-shells 4, 6, characteristics 10.
  • the insulation and / or its partial or half shells 4, 6 are formed as moldings and adapted at least approximately to the outer contour of the component 2.
  • the forms 10 engage in the recesses 8 of the component 2.
  • an exact positioning of the insulation or its half-shells 4, 6 with respect to the component 2 is produced in a preferred manner in the manufacture and / or assembly.
  • the permanent connection of the insulation with the component 2 in particular by welding, preferably spot welding, produced, in particular in the region of each associated and / or interlocking forms 10 and recesses 8.
  • FIG. 2 In the schematic diagram according to Fig. 2 is the interlocking of the recess 8 of the component 2 and the correspondingly formed and / or arranged expression 10 of the insulation or its half-shell 6 shown schematically.
  • the corners and edges are suitably rounded or chamfered to avoid peak loads and resulting damage.
  • Fig. 3.4 show in side views a further embodiment of the inventive arrangement, comprising the component 2 and the insulation or their half-shells 4, 6.
  • the engaging in the connecting regions and / or edge regions respectively in the associated recesses of the component 2 forms 10, as above explained by welding to the component 2 firmly and permanently connected.
  • the half-shells 4, 6 associated with each other and at least partially overlapping arranged edges 17, 18, which are connected by means of a welded joint 19.
  • the welded joint 19 is preferably designed as a roll seam welding.
  • the welded connection 19 is preferably produced after the placement and / or positioning of the half-shells 4, 6 on the component 2.
  • this welded connection 19 is produced in particular after the welding of the half-shells 4, 6 in the region of the respective recess and the associated expression with the component 2.
  • the insulation 4, 6 is formed as a molded part and has a contour adapted to the outer contour of the component 2, wherein a solid and / or substantially dense system, at least in the edge regions and / or by welding produced connecting regions, a substantially dense system the insulation 4, 6 to the component 2 consists.
  • Fig. 6 schematically shows a milling cutter 20, with which in the surface 21 of the component 2 partially shown here, the recess 8 is introduced with a predetermined depth 20.
  • FIGS. 7 and 8 show lateral views of another embodiment, which is essentially the FIGS. 3 to 5 equivalent.
  • the insulation 4, 6 is positioned precisely on the component 2 by engagement with the associated and correspondingly formed recesses 8 of the component 2 by means of the characteristics which are preferably arranged at least approximately in its edge regions. Subsequently, a consistent and / or reliable welding, in particular in the area and / or in the forms and recesses 8 is performed.
  • the recesses 8 and / or centering cuts on or into the component 2 have previously preferably been carried out by means of a special milling machine, for example a five-axis milling cutter, advantageously during machining and / or the machining operation, in particular of flanges and / or Holes, which are provided for fastening and / or connection of the component 2 together with insulation 4, 6 on an aggregate, in particular on a motor.
  • a special milling machine for example a five-axis milling cutter, advantageously during machining and / or the machining operation, in particular of flanges and / or Holes, which are provided for fastening and / or connection of the component 2 together with insulation 4, 6 on an aggregate, in particular on a motor.
  • the recesses 8 and / or milled cuts and / or center milled recesses are introduced not only in connection with the abovementioned connecting flanges, but in connection and / or during the machining of all flanges, bores or the like of the component 2.
  • FIGS. 9 and 10 show detailed representations in each case in the region of the recess 8 of the component 2, wherein in Fig. 9 by dash-dotted line 24, the lower limit of a Gusstoleranz and in Fig. 10 with dash-dotted line 26, the upper limit of the casting tolerance of the component 2 are entered.
  • the component 2 has on its surface 21 a scale skin 28, which is removed by the introduction and / or milling of the recess 8.
  • the weld joint 16 can be made directly to the material of the component 2 without being adversely affected by the scale skin 28.
  • the side surfaces 29 of the recess 8 are arranged conically in an advantageous manner in the direction of the bottom 30 of the recess 8, whereby the engagement of the expression 10 for the purpose of positioning the half-shell 6 is facilitated. It is of particular importance that in the production of the expression 10, which is directed in the direction of the component 2 and / or in the recess 8, an embossing 10 surrounding and / or preferably rounded embossed area 31 is generated. This stamping area 31 protrudes beyond the outer surface 32 of the insulation 6 at a distance 34 on the side facing away from the component 2. Thus, the welded connection 16 can be produced reliably, wherein damage to the half-shell or insulation 6, in particular due to a tight abutment against the edge 38 of the recess 8, is avoided.
  • Fig. 10 is achieved in a particularly advantageous manner that even with a component 2, which is manufactured as a casting at the tolerance lower limit, a close concern of the insulation 6 is made.
  • an embossing force is exerted in the direction of the outer surface 21 of the component 2 according to the arrow 36 on the insulation or half-shell 6 such that outside the embossing region 31, the half-shell 6 on the surface or the scale skin 28 in Essentially tight.
  • the stamping of the half-shell 6 and / or the insulation is preferred, in particular in its edge regions with the characteristics 10, which project from the outwardly projecting embossed areas 31 are surrounded, is made to the component 2.
  • the stamping according to the invention is particularly useful in combination with the welded connection 16 in the manner shown, especially since without the welded connection 16 it would not be possible to prevent springing and / or springing back of the half-shell 6 or insulation.

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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)
  • Exhaust-Gas Circulating Devices (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacture Of Motors, Generators (AREA)

Claims (15)

  1. Procédé de fabrication d'un agencement, lequel comprend un élément constitutif (2) produit par méthode de coulée avec une isolation (4, 6), l'élément constitutif (2) produit par méthode de coulée comportant une pellicule de calamine (28) et étant susceptible d'être irrigué par un fluide chaud,
    caractérisé en ce que on ménage dans l'élément constitutif (2) produit par méthode de coulée des évidements (8) en retirant la pellicule de calamine (28) et en ce qu'on munit l'isolation (4, 6) d'empreintes (10) qui sont prévues en correspondance avec les évidements (8), en ce qu'on dispose l'isolation (4, 6) sur l'élément constitutif (2) produit par méthode de coulée, de sorte que les empreintes (10) s'engagent dans les évidements (8) et que de cette façon l'isolation (4, 6) se positionne par rapport à l'élément constitutif (2) produit par méthode de coulée,
    et en ce qu'on établit par la suite dans la zone de l'évidement (8) et de l'empreinte (10) respectivement associées une liaison fixe (16) par soudage de l'isolation (4, 6) sur l'élément constitutif (2) produit par méthode de coulée.
  2. Procédé selon la revendication 1, caractérisé en ce que lors de l'usinage de l'élément constitutif (2) produit par méthode de coulée, on ménage les évidements (8) dans l'élément constitutif (2) produit par méthode de coulée.
  3. Procédé selon la revendication 2, caractérisé en ce qu'on ménage les évidements(8) par fraisage dans l'élément constitutif (2) produit par méthode de coulée.
  4. Procédé selon la revendication 1, 2 ou 3, caractérisé en ce qu'on dispose les empreintes (10) au moins en partie et/ou sensiblement à peu près sur des zones marginales (12) de l'isolation (4, 6).
  5. Procédé selon la revendication 4, caractérisé en ce qu'on fabrique la liaison (16) par soudage par points.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'isolation (4, 6) est conçue sous forme de pièce moulée, dont on adapte au moins à peu près le contour intérieur au contour extérieur de l'élément constitutif (2) et/ou en ce que l'isolation (4,6) est sensiblement et/ou au moins a peu près intimement adjacente à la surface extérieure (32) de l'élément constitutif (2).
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'on confectionne l'isolation (4, 6) à partir d'au moins deux coques partielles (4, 6).
  8. Procédé selon la revendication 7, caractérisé en ce que les coques partielles (4, 6) sont disposées en se chevauchant avec leurs bords (17, 18) réciproquement associés et/ou en ce qu'on établit une liaison par soudage (19) sur des bords (17, 18) disposés pour se chevaucher au moins en partie des coques partielles (4, 6).
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'on entoure au moins une partie des empreintes (10) d'une zone d'empreintes (31) qui déborde par-dessus la surface extérieure (32) opposée à l'élément constitutif (2) avec une distance (34) prédéfinie.
  10. Procédé selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'après l'établissement de la liaison par soudage (16), on soumet l'isolation (4, 6) à un post-estampage de sorte que l'isolation (4, 6) soit par ailleurs sensiblement intimement adjacente à la surface (21) de l'élément constitutif (2), ceci même dans les cas dans lesquels la surface (21) de l'élément constitutif (2) se situe dans une zone de tolérance du processus de coulée.
  11. Procédé selon la revendication 10, caractérisé en ce que la surface (21) de l'élément constitutif (2) se situe dans la limite inférieure (24) de tolérance du processus de coulée.
  12. Procédé selon l'une quelconque des revendications 1 à 11, caractérisé en ce que l'élément constitutif (2) est conçu sous forme de tuyau d'échappement.
  13. Agencement, comportant un élément constitutif (2) produit par méthode de coulée, lequel est entouré au moins en partie par une isolation (4, 6), l'élément constitutif (2) produit par méthode de coulée comportant une pellicule de calamine (28) et étant susceptible d'être irrigué par un fluide chaud, caractérisé en ce que l'élément constitutif (2) comporte des évidements (8) obtenus par retrait de la pellicule de calamine (28) et en ce que l'isolation (4, 6) comporte des empreintes (10) lesquelles se correspondent et en ce que l'isolation (4, 6) est disposée sur l'élément constitutif (2) produit par méthode de coulée, de sorte que les empreintes (10) s'engagent dans les évidements (8) et que de ce fait, l'isolation (4, 6) soit positionnée par rapport à l'élément constitutif (2) produit par méthode de coulée et en ce que dans la zone de l'évidement (8) et de l'empreinte (10) chaque fois associées, il est prévu une liaison fixe par soudage (19) de l'isolation (4, 6) sur l'élément constitutif (2) produit par méthode de coulée.
  14. Agencement selon la revendication 13, caractérisé en ce qu'il est fabriqué d'après un procédé selon l'une quelconque des revendications 1 à 11.
  15. Agencement selon l'une quelconque des revendications 12 à 14, caractérisé en ce que l'élément constitutif est conçu sous la forme d'un tuyau d'échappement.
EP09001643A 2008-02-06 2009-02-05 Procédé de fabrication d'un agencement comprenant un composant doté d'une isolation, et un tel agencement Not-in-force EP2088293B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008007873 2008-02-06
DE102008056789 2008-11-11

Publications (2)

Publication Number Publication Date
EP2088293A1 EP2088293A1 (fr) 2009-08-12
EP2088293B1 true EP2088293B1 (fr) 2010-12-01

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EP (1) EP2088293B1 (fr)
AT (1) ATE490399T1 (fr)
DE (2) DE502009000195D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014014328A1 (de) 2013-10-09 2015-04-09 Bdd Beteiligungs Gmbh Vorrichtung und Verfahren zur Herstellung einer Anordnung, welche ein Bauteil mit einer Isolierung enthält
EP2899072A1 (fr) 2014-01-24 2015-07-29 BDD Beteiligungs GmbH Dispositif d'isolation et son procédé de fabrication

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US4238454A (en) 1979-04-25 1980-12-09 General Motors Corporation Catalytic converter having a pair of catalyst pellet beds with a plenum and air tube therebetween
US6540046B1 (en) * 2001-08-06 2003-04-01 Nelson Industries, Inc. Compact economical spark arrestor and muffler
DE10341868B4 (de) * 2003-09-09 2005-12-22 Härle, Hans A. Vorrichtung zur Halterung wenigstens eines Abgasreinigungselements
JP4381868B2 (ja) 2004-04-07 2009-12-09 本田技研工業株式会社 エンジン用排気浄化機能付き排気マフラ
ATE536470T1 (de) 2006-03-29 2011-12-15 Bdd Beteiligungs Gmbh Verkleidungsvorrichtung, insbesondere für abgasrohre von aggregaten

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014014328A1 (de) 2013-10-09 2015-04-09 Bdd Beteiligungs Gmbh Vorrichtung und Verfahren zur Herstellung einer Anordnung, welche ein Bauteil mit einer Isolierung enthält
WO2015051922A1 (fr) 2013-10-09 2015-04-16 Bdd Beteiligungs Gmbh Dispositif et procédé permettant de produire un ensemble qui contient une pièce munie d'une isolation
EP2899072A1 (fr) 2014-01-24 2015-07-29 BDD Beteiligungs GmbH Dispositif d'isolation et son procédé de fabrication
DE102015000668A1 (de) 2014-01-24 2015-08-27 Bdd Beteiligungs Gmbh Isoliervorrichtung und Verfahren zu deren Herstellung

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EP2088293A1 (fr) 2009-08-12
DE502009000195D1 (de) 2011-01-13
ATE490399T1 (de) 2010-12-15

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