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Exhaust system and method for joining components of the exhaust system

A technology for exhaust parts and joints, which is applied in the direction of exhaust devices, pipes/pipe joints/fittings, welding equipment, etc., and can solve problems such as adverse effects of strength

Active Publication Date: 2015-11-18
FAURECIA EMISSIONS CONTROL TECH GERMANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, in general, a very large number of devices must be stocked because new devices are required for each design
Additionally, fusion welded seams have been shown to have a detrimental effect on strength

Method used

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  • Exhaust system and method for joining components of the exhaust system
  • Exhaust system and method for joining components of the exhaust system
  • Exhaust system and method for joining components of the exhaust system

Examples

Experimental program
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Embodiment Construction

[0050] figure 1 Two components 10 , 12 are shown, in this example two pipes for an exhaust system of a motor vehicle. At this point mention needs to be made of the fact that basically also components other than the tubes can be connected to each other, for example a funnel with a tube, a funnel with a housing, etc.

[0051] The first part 10 is configured with a constant cross section, while the end of the second part 12 facing the first part 10 is configured with an outwardly facing bead 14 . The insertion portion 16 is adjacent to the convex channel 14 . The insertion portion 16 has an outer diameter slightly smaller than the inner diameter of the first part 10 .

[0052] The area of ​​the bead 14 facing the component 10 and aligned perpendicular to the central axis M forms a bearing surface 18 on which a ring of solder material 20 is arranged. The soldering material is thus located in the region of the soldering gap formed between the insert 16 of the second component 12...

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Abstract

An exhaust system comprises a first and a second component (10,12) having an inductively soldered joint between them. Preferably at least one component is a tube and there is a surface (18) for a solder ring (20) formed at a surrounding corrugation (14). An independent claim is also included for a method of joining the two components.

Description

technical field [0001] The invention relates to an exhaust system, in particular for a motor vehicle, and to a method of connecting two components of an exhaust system, in particular for a motor vehicle. Background technique [0002] In particular, the components to be interconnected are the pipes of the exhaust system, which for example guide the flow of exhaust gas from the outlet manifold to the catalytic converter or the muffler. For high temperatures and high dynamic stresses – components of the exhaust system are exposed to such high temperatures and high dynamic stresses, and these components have hitherto been joined by fusion welds. In fact, some disadvantages arise if the components of the exhaust system are welded to each other. Firstly, in order to carry out the above-mentioned method, for example, a relatively large floor area needs to be provided for an automatic welding machine or a welding robot. In both cases, the parts to be welded to each other must be m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N13/08F01N13/18B23K1/002B23K33/00
CPCF16L13/08F01N13/1805F01N2450/22F01N13/18F01N13/08F16D1/068B23K1/00
Inventor 阿尔弗雷德·布吕姆尔崔洪江
Owner FAURECIA EMISSIONS CONTROL TECH GERMANY
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