Exhaust gas purification system for internal combustion engine, comprises filter, which is arranged in exhaust pipe of internal combustion engine for collecting particle materials

摘要

The exhaust gas purification system (1) comprises a filter (7), which is arranged in an exhaust pipe (4) of an internal combustion engine (2) for collecting particle materials that are contained in the exhaust gas flowing through the exhaust pipe. An oxidation catalyst (6) is provided, which is arranged upstream of the filter.