Assembly for an exhaust system

Abstract

An assembly for an exhaust system comprises a housing having a jacket, an insert arranged in the interior of the housing and having at least one exhaust pipe, wherein the jacket has an opening, in particular a radial opening, through which the exhaust pipe is connectable to the exhaust system, wherein an adapter part is provided that is connected to the exhaust pipe, and wherein the adapter part has a contact section that contacts the inner side of the jacket around the opening.

Claims

1. An assembly for an exhaust system, the assembly comprising: a housing having a jacket; an insert arranged in an interior of the housing and having at least one exhaust pipe, wherein the jacket has an opening through which the exhaust pipe is connectable to the exhaust system; and an adapter part that is connected to the exhaust pipe, wherein the adapter part has a contact section that contacts an inner side of the jacket around the opening, and the adapter part and the exhaust pipe are completely arranged in the interior of the housing.

2. The assembly in accordance with claim 1, wherein the opening is a radial opening.

3. The assembly in accordance with claim 1, wherein the contact section is provided with a chamfer at its side remote from the exhaust pipe.

4. The assembly in accordance with claim 1, wherein the contact section is at least sectionally connected to the jacket with material continuity.

5. The assembly in accordance with claim 1, wherein the contact section is at least sectionally connected to the jacket with material continuity by spot welding.

6. The assembly in accordance with claim 1, wherein the adapter part is plugged onto the exhaust pipe.

7. The assembly in accordance with claim 1, wherein the insert is configured such that it can be inserted into the housing.

8. The assembly in accordance with claim 7, wherein the insert is configured such that it can be pushed into the jacket.

9. The assembly in accordance with claim 1, wherein the contact section is connected to the exhaust pipe via an at least sectionally arched or curved connection section of the adapter part.

10. The assembly in accordance with claim 9, wherein the connection section is at least sectionally inwardly arched or curved in a direction away from the jacket.

11. The assembly in accordance with claim 9, wherein the connection section is at least sectionally outwardly arched or curved in a direction toward the jacket.

12. The assembly in accordance with claim 9, wherein the connection section is connected to the exhaust pipe at least sectionally with material continuity.

13. The assembly in accordance with claim 9, wherein the connection section is connected to the exhaust pipe at least sectionally with material continuity by spot welding.

14. The assembly in accordance with claim 9, wherein at least one of the exhaust pipe and the connection section comprises a connector section for a connection pipe led from the outside through the opening of the jacket.

15. The assembly in accordance with claim 14, wherein the exhaust pipe and the connection section overlap, with the connector section for the connection pipe being formed in the overlap region.

16. A method of manufacturing an assembly for an exhaust system comprising a housing having a jacket and an insert having at least one exhaust pipe, the jacket having an opening for the connection of the exhaust pipe to the exhaust system, the method comprising: connecting the exhaust pipe to an adapter part; and inserting the insert into the housing such that the adapter part and the exhaust pipe are completely arranged within an interior of the housing, so that a contact section of the adapter part comes to contact an inner side of the jacket around the opening and a connection between the opening and the exhaust pipe is established by the adapter part.

17. The method in accordance with claim 16, wherein the contact section is connected to the jacket with material continuity.

18. The method in accordance with claim 16, wherein a connection pipe is led from the outside through the opening and is connected to a connector section of the assembly so that a connection is established between the connection pipe and the exhaust pipe.

19. The method in accordance with claim 18, wherein the exhaust pipe, the adapter part and the connection pipe are connected to one another with material continuity.

Description

(1) The invention will be explained only by way of example in the following with reference to the drawings in which:

(2) FIG. 1 shows a perspective view of an assembly in accordance with the invention;

(3) FIG. 2 shows a perspective view of an insert of the assembly of FIG. 1;

(4) FIG. 3 shows a perspective view of an adapter part of the insert of FIG. 2;

(5) FIG. 4 shows a perspective view of the assembly of FIG. 1 with a housing open at the end face;

(6) FIG. 5 shows a cross-sectional perspective view of the assembly of FIG. 1;

(7) FIG. 6 shows a cross-sectional perspective view of the assembly of FIG. 5; and

(8) FIG. 7 shows a cross-sectional view of a further embodiment of the assembly in accordance with the invention.

(9) Parts that are the same or similar are provided with the same reference numerals in the Figures.

(10) An assembly 10, here specifically a muffler by way of example, for an exhaust system, not shown, is shown in FIG. 1. The assembly 10 is only partly shown in FIG. 1, with the assembly 10 continuing at the left side. The assembly 10 comprises a closed housing 12 that comprises a jacket 14 and at least one end-face cover 16. An insert, not shown in any more detail in FIG. 2, is arranged in the housing 12 and has two exhaust pipes 20 and 22 that can e.g. act as an inlet pipe or an outlet pipe. The exhaust pipe 20 extends at the end face in the radial direction of the housing 12. The exhaust pipe 22 in contrast extends in the axial direction at the end face. The (radial) exhaust pipe 20 is connected at the end face to an adapter part 24 that is shown enlarged in FIG. 3. The adapter part 24 has a ring-shaped contact section 26 that is configured complementary to the shape of the jacket 14, that contacts the inner side of the jacket 14 around an opening 28 of the jacket 14 and is connected with material continuity and in a gas-tight manner to the jacket 14 by spot welding. The areal contact of the contact section 26 at the inner side of the jacket 14 can in particular be seen from FIGS. 5 and 6. The contact section 26 is integrally connected to a connection section 30 that extends between the exhaust pipe 20 and the contact section 26. The connection section 30 is sectionally inwardly arched away from the jacket 14 and is bent over in the radial direction in the region of the exhaust pipe 20 so that the connection section 30 engages around the exhaust pipe 20 at the end face or forms a plug-in connection nose for the exhaust pipe 20. The connection section 30 is additionally connected, in particular by spot welding, to the exhaust pipe 20 with material continuity and in a gas-tight manner.

(11) The (axial) exhaust pipe 22 that extends in the axial direction at the end face engages into an opening 32 of the cover 16 (cf. FIG. 1), with no adapter part being provided. In accordance with the invention, however, an adapter part could also be provided for the exhaust pipe 22.

(12) The assembly 10 is preferably installed such that the insert 18 of FIG. 2 is pushed laterally into the jacket 14 of the housing 12 in the axial direction X until the radial exhaust pipe 20 with the adapter part 24 is in alignmentas shown in FIG. 4with the radial opening 28 of the jacket 14. The contact section 26 that already areally contacts the inner side of the jacket 14 around the opening 28 can hereby be connected, e.g. by spot welding, to the jacket 14. The jacket 14 can subsequently be closed by the cover 16 at the end face so that the assembly 10 shown in FIG. 1 results.

(13) The radial exhaust pipe 20 and the connection section 30 form a stable connector section 34 for a connection pipe 37 (cf. FIGS. 5 and 6) in their overlap region. The connection pipe 37 can either engage around the connector section 34 or can be plugged into the exhaust pipe 20 (it can be recognized in FIGS. 5 and 6 that the end section of the pipe 20 is a little widened for this purpose) so that the connection section 34 engages around the connection pipe. As a result, a triple-layer overlap region is present in both cases that results in a connection with material continuity of the components 20, 24 to one another and to the connection pipe 37 with a single welding procedure. Alternatively, the connection section 30 can, as mentioned above, first be connected to the exhaust pipe 20 with material continuity, with the connection pipe 37 subsequently being separately connected either to the connection section 30 or to the exhaust pipe 22.

(14) The assembly 10 is shown in an alternative embodiment in FIG. 7 in which a different adapter part 24 is installed. On the one hand, the contact section 26 is bent inwardly away from the jacket 14 at the marginal side so that a chamfer 36 results that facilitates the pushing in of the insert 18 and prevents damage to the jacket 14. On the other hand, the connection section 34 is outwardly curved in the direction of the jacket 14, starting from the exhaust pipe 20. The support effect of the adapter part 24 for the exhaust pipe 20 can hereby be improved, with less space simultaneously being taken up in the interior of the jacket 14 than with the adapter part 24 of FIG. 3.

(15) It is understood that individual features of the adapter parts 24 and 24 can be combined with one another in line with demands. For example, the chamfer 36 can also be provided in the adapter part 24. The connection section 30 can furthermore be differently curved sectionally so that it combines the advantages of both variants in the best possible manner.

REFERENCE NUMERAL LIST

(16) 10 assembly 12 housing 14 jacket 16 cover 18 insert 20 exhaust pipe 22 exhaust pipe 24, 24 adapter part 26, 26 contact section 28 opening 30 connection section 32 opening 34 connector section 36 chamfer