Patent ID: 6302935
Filing Date: 2001-10-16
Classification: F01N,Y02T

Abstract:
A fine particle-removing apparatus for removing fine particles contained in an exhaust gas emitted from a combustion engine, said apparatus comprising:a filter for removing said fine particles contained in said exhaust gas, wherein said filter has a plurality of filter units arranged in a direction of a flow of said exhaust gas, each of said filter units having a plurality of paths and partitions that extend in said direction of said flow of said exhaust gas and are open-ended, said partitions having surfaces, said plurality of paths being defined by said plurality of partitions, and said filter having an exhaust gas intake portion;a fuel injection nozzle near said filter for injecting a fuel into said exhaust gas intake portion of said filter; andan ignition means near said filter for igniting said fuel injected from said fuel injection nozzle, said filter being heated in a predetermined temperature range, whereby combustion at said surfaces of said partitions is continued, and whereby said fine particles contained in said exhaust gas are burnt to ashes in said filter, said ashes being ejected from said filter in accordance with said exhaust gas.