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首页> 外国专利> Filter for the filtration of particulate matter from exhaust gas emitted from a positive ignition engine, exhaust system for a positive ignition engine, and method of capturing particulate matter from exhaust gas emitted from a positive ignition engine

Filter for the filtration of particulate matter from exhaust gas emitted from a positive ignition engine, exhaust system for a positive ignition engine, and method of capturing particulate matter from exhaust gas emitted from a positive ignition engine

机译：用于从正点火发动机排放的废气中过滤颗粒物的过滤器，用于正点火发动机的排气系统以及从正点火发动机排放的废气中捕获颗粒物的方法

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filter for the filtration of particulate matter from exhaust gas emitted from a positive ignition engine, exhaust system for a positive ignition engine, and method of capturing particulate matter from exhaust gas emitted from a positive ignition engine a filter for the filtration of particulate matter (pm) from exhaust gas emitted from a positive ignition engine, whose filter comprising a porous substrate having inlet and outlet surfaces, in which the inlet surfaces are separated from the outlet surfaces by a porous structure containing pores of a first average pore size, wherein the porous substrate is coated with a wash layer comprising a plurality of solid particles wherein the porous structure of the wash coated porous substrate contains pores of a second average size pore size, and where the second average pore size is smaller than the first t average pore size.
机译：用于从正点火发动机排放的废气中过滤颗粒物的过滤器，用于正点火发动机的排气系统以及从正点火发动机排放的废气中收集颗粒物的方法，用于颗粒物过滤的过滤器（pm ）是从正点火发动机排放的废气中提取的，其过滤器包括具有入口和出口表面的多孔基材，其中入口表面通过包含第一平均孔径的孔的多孔结构与出口表面分隔开，其中所述基底涂覆有包含多个固体颗粒的洗涤层，其中所述经洗涤涂覆的多孔基底的多孔结构包含具有第二平均尺寸孔径的孔，并且其中所述第二平均孔径小于所述第一t平均孔径。

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