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Holder with at least one electrode

An electrode, electric field technology, applied in the field of installation mechanism

Active Publication Date: 2016-07-06
VTESCO TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the problem often encountered is that leakage currents at different potentials occur between the electrodes and the exhaust line due to deposited soot particles on the electrodes and their mounting mechanisms

Method used

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  • Holder with at least one electrode
  • Holder with at least one electrode
  • Holder with at least one electrode

Examples

Experimental program
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Effect test

Embodiment Construction

[0037] figure 1 A motor vehicle 22 is shown schematically with an internal combustion engine 18 and with an exhaust system 23 connected thereto. The exhaust system 23 comprises an exhaust line 3 in which an embodiment of the device 17 with the mounting mechanism 1 with the electrode 2 according to the invention is formed. The exhaust gas flows through the assembly 1 in a flow direction 19 from the inflow side 5 to the outflow side 6 . In the flow direction 19 , a particle separator 20 , which belongs to the device 17 , is arranged downstream of the assembly 1 in the exhaust line 3 . During operation, the exhaust gas containing soot particles from the internal combustion engine 18 initially flows through the openings of the assembly 1 and into the region of the electrodes 2 . There, the soot particles are ionized by corona or plasma discharge at the tip of the electrode 2 and the ionized soot particles are deposited in the particle separator 20 .

[0038] Below, will be base...

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Abstract

The invention relates to a holder (1) with at least one electrode (2) for producing an electric field in an exhaust line (3). The holder (1) has a disc (4) and at least one electrical conductor (8) fastened on and / or in the disc (4), the disc (4) being made of an electrically insulating material It is produced and has an inflow side ( 5 ) and an outflow side ( 6 ) and an opening ( 7 ) through which the exhaust gas can flow from the inflow side ( 5 ) to the outflow side ( 6 ). The electrical conductor (8) is covered by an electrically insulating material at least on the inflow side (5) of the disc (4) and is in electrical contact with one or more electrodes (2) extending towards the outflow side (6). Since the electrical conductor ( 8 ) is completely surrounded by insulating material during operation, the surface area that must be covered by the soot layer for leakage currents to be able to develop increases. Consequently, the leakage length is increased, wherein one or more electrodes (2) are simultaneously arranged in the exhaust gas. The soot particles deposited on the holder (1) and the exhaust line (3) do not have to be cleaned frequently.

Description

technical field [0001] The invention relates to a mounting device with at least one electrode for generating an electric field in an exhaust gas line. Background technique [0002] In motor vehicles with a mobile internal combustion engine, in particular diesel-powered motor vehicles, the exhaust gas of the internal combustion engine usually contains a large number of soot particles which are prohibited from being emitted into the atmosphere. This is prescribed by corresponding exhaust gas regulations, which specify limit values ​​for the quantity and mass of soot particles in the exhaust gas per unit weight or per unit volume, sometimes also for the entire motor vehicle. Soot particles refer in particular to unburned carbon and hydrocarbons in the exhaust gas. [0003] Numerous different concepts for removing soot particles from the exhaust gas of mobile internal combustion engines have been discussed. In addition to alternately closed wall-flow filters, open side-flow fi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N3/01
CPCF01N3/01F01N3/0275F01N2240/28B01D53/92F01N13/00F01N13/008
Inventor 简·霍奇森克里斯蒂安·福斯曼
Owner VTESCO TECH GMBH
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