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Cellular component with flexible connecting points

A technology for connecting parts and honeycomb bodies, applied in catalyst carriers, machines/engines, transportation and packaging, etc., can solve problems such as durability and can not withstand, and achieve the effect of low manufacturing costs

Inactive Publication Date: 2011-01-26
EMITEC EMISSIONSTECHNIK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Although various proposals have been made for the design of such brazing patterns, none of them has the durability to withstand all the conditions currently present in motor vehicle exhaust systems

Method used

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  • Cellular component with flexible connecting points
  • Cellular component with flexible connecting points
  • Cellular component with flexible connecting points

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] figure 1 The design of an on-board exhaust system of a motor vehicle 26 is schematically shown. The motor vehicle 26 has an engine 30 , such as a spark ignition engine or a compression ignition engine. The fuel combusted in the engine 30 is led as exhaust gas to the exhaust gas treatment unit 25 via a corresponding exhaust pipe 29 . In the exhaust gas treatment unit 25 , the pollutants contained in the exhaust gas are at least partially converted, so that finally only relatively harmless exhaust gas components flow into the surroundings. Obviously, in this exhaust system, the number, type and / or location of such exhaust treatment units 25 can be changed according to various aspects (factors). A possible configuration of the honeycomb body 1 shown in the figure is located in the exhaust pipe 29 .

[0045] For example from figure 2 The structure of the honeycomb body 1 can be seen. The figure shows a section through a (circular) honeycomb body 1 along the axis 20 of...

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PUM

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Abstract

The invention relates to a cellular body (1) having a plurality of channels (2) and formed from at least one at least partially structured metal sheet (3). Said metal sheet (3) has a direction of progression (4) and comprises upper connecting points (6) and lower connecting points (37) with itself or with at least one additional smooth metal sheet (5) or structured metal sheet (3). According to the invention, at least upper connecting points (6) or lower connecting points (37) form a curved connection line (33) and expansion joints (38) are formed between the respective connection points of the curved connection line (33).

Description

technical field [0001] The invention relates to a honeycomb body with a plurality of channels, the honeycomb body being formed from at least one at least partially structured sheet metal. In this case, the lamellae have a direction of extension and are fastened to each other via the connecting points with the lamella itself or with at least one further smooth or structured lamellae. Such honeycomb bodies are used in particular as catalyst supports in exhaust systems of vehicle engines. Background technique [0002] In exhaust gas purification systems of engines such as compression ignition engines or spark ignition engines, the honeycomb body has the advantage of a particularly large surface area, which ensures very close contact between the exhaust gas flow passing through the honeycomb body and the channel walls . Said surfaces, which are essentially formed by the channel walls, are regularly coated with suitable, possibly different, catalysts in order to be able to conv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/28
CPCF01N2330/02F01N3/281F01N2260/10F01N2330/44Y02A50/20Y10T428/24149Y10T428/1234
Inventor R·布吕科P·希尔特K·阿尔特赫费W·莫斯
Owner EMITEC EMISSIONSTECHNIK