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1. 发明申请

WO1993013303A1 A FILTER UNIT AND A FILTER BODY FOR FILTERING EXHAUST GAS FROM DIESEL ENGINES 审中-公开
标题翻译：过滤器和过滤器从柴油发动机过滤排气
公开(公告)号：WO1993013303A1
公开(公告)日：1993-07-08
申请号：PCT/DK1992000393
申请日：1992-12-21
申请人： STOBBE, Per , HOJ, Jakob, Weiland
IPC分类号： F01N03/02
CPC分类号： B01D46/0012 , B01D46/002 , B01D46/0063 , B01D2273/16 , B01D2279/30 , F01N3/0222 , F01N3/027 , F01N3/032 , F01N13/017 , F01N13/14 , F01N2310/02 , F02B3/06 , H05B3/141
摘要： A filter unit for filtering exhaust gas from diesel engines comprises a casing and a filter body arranged in the casing. The filter body is composed of a plurality of filter segments extending in the axial direction of the casing, the filter segments being of a porous electrically conductive and heat-resistant material, such as silicon carbide (SiC), and being arranged adjacent to each other, but electrically insulated from each other at adjacent axially extending interfaces. Each segment in the filter unit is supplied with an electrode of an electrically conductive material at each end of the segment in axial direction. The resistance of each individual segment, measured from one electrode to the other, is in the range from 10 milliOhms to 100 Ohms. In the filter unit the segments may be electrically coupled in series by means of the electrodes. The electrodes may, alternatively, be connected to an electrical circuit permitting electrical connection of 2 or more segments variable between serial and parallel and combinations thereof. The cross section of each segment may be shaped as a circle sector, the segments together cross-sectionally constituting a circle. Due to the segmented design, the resistance of the unit can be adapted to the requirements of accumulators in vehicles.
摘要翻译：用于过滤来自柴油发动机的废气的过滤器单元包括壳体和布置在壳体中的过滤器主体。过滤器主体由在壳体的轴向延伸的多个过滤段构成，过滤段由碳化硅（SiC）构成的多孔导电耐热材料构成，并且彼此相邻配置，但在相邻的轴向延伸界面处彼此电绝缘。过滤器单元中的每个段在轴向的每个端部处提供导电材料的电极。从一个电极到另一个电极测量的每个单独部分的电阻在10毫欧至100欧姆的范围内。在过滤器单元中，段可以通过电极串联电耦合。或者，电极可以连接到电路，允许电连接2个或更多个在串联和并联之间可变的段以及它们的组合。每个段的横截面可以被形成为圆形扇形，这些段一起横截面地构成一个圆。由于分段设计，该单元的电阻可以适应车辆中蓄能器的要求。

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