| 摘要 |
<p>An exhaust emission control device of an internal combustion engine, comprising a particulate filter (70) for oxidizing the particulates collected thereby and a reversing means (74) for reversing the particulate filter between the exhaust emission upstream side and downstream side thereof, the particulate filter further comprising a collecting wall for collecting particulates, wherein, when the particulate filter is reversed between the exhaust emission upstream side and downstream side thereof by the reversing means, the first and second collecting surfaces of the collecting wall are used alternately to collect particulates, the particulate filter having first and second opening parts for allowing the exhaust emission to flow therein and thereout is disposed in an exhaust gas pipe (71) on the upstream side of a muffler, and the peripheral part of the particulate filter between the first and second opening parts comes in contact, at least partially, with an exhaust gas flow inside the exhaust gas pipe.</p> |
