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Holder for multiple electrodes in an exhaust line and device with the same

A technology of exhaust pipes and electrodes, which is applied in the direction of exhaust devices, exhaust treatment, noise reduction devices, etc., can solve problems such as different exhaust flows, exhaust components, technical difficulties, etc., and reduce the risk of electrical short circuit Effect

Active Publication Date: 2015-11-25
VTESCO TECH GMBH
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

However, this also causes the problem that it must be ensured that the nitrogen dioxide is in sufficient contact with the deposited soot particles in the exhaust gas
[0007] In this context, technical difficulties arise in achieving continuous operation of such exhaust systems in motor vehicles, in which different loads of the internal combustion engine lead to different exhaust gas flows, exhaust gas compositions and / or temperatures

Method used

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  • Holder for multiple electrodes in an exhaust line and device with the same
  • Holder for multiple electrodes in an exhaust line and device with the same

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Embodiment Construction

[0033] figure 1 A device 15 for fastening a plurality of electrodes 2 in the exhaust gas line 3 is shown in longitudinal section. In the flow direction 16 of the exhaust gas, firstly a support is provided which has a body 4 through which the exhaust gas can flow. The flow-through body 4 has a plurality of channels running parallel to one another. A plurality of electrodes 2 are arranged distributed in cross-section on the rear side of flow-through body 4 . The device 15 also has an electrical energy supply 22 which supplies an electrical current to the electrodes 2 via the electrical contacts 7 and the distributor 8 . Starting from this electrode 2 , an electric field 21 is formed downstream of the flowable body 4 in the flow direction 16 of the exhaust gas. An electrical potential is formed between the flow-through body 4 and a downstream particle separator 23 which is likewise positioned in the exhaust gas line 3 . In particular, the particle separator 23 is designed in ...

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Abstract

A holder for at least one electrode, in particular a discharge electrode which is suitable for producing a corona discharge, in an exhaust-gas line, includes a body through which an exhaust gas can flow and at least one electric contact for the at least one electrode. Preferably, the at least one electric contact is integrated into the body. An apparatus for fixing at least one electric electrode in an exhaust-gas line is also proposed. The apparatus has at least one such holder and the apparatus has a particle separator disposed downstream in exhaust gas flow direction.

Description

technical field [0001] The invention relates to a support for at least one electrode in an exhaust gas line, in particular for providing an electric field with which exhaust gas containing soot particles can be charged / charged, concentrated and / or separated. Background technique [0002] Many different concepts have been discussed for the removal of soot particles from the exhaust gases of automotive internal combustion engines. In addition to alternating closed wall-flow filters, open bypass filters, gravity separators, etc., systems have also been proposed in which the particles in the exhaust gas are charged and subsequently deposited by means of electrostatic attraction. Such systems are known inter alia as "electrostatic filters" or "electric dust filters". [0003] Therefore, it is generally recommended for such electric dust filters to provide discharge electrode(s) and collector electrodes, which are positioned in the exhaust gas line. For example, a central discha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N3/01F01N3/021
CPCF01N13/008F01N3/01F01N3/0218F01N3/0275F01N3/281F01N2240/04F16L55/00Y02T10/20Y10T137/794Y02T10/12F01N3/021
Inventor J·霍格森C·沃斯曼R·布吕科
Owner VTESCO TECH GMBH
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