| 摘要 |
<p>An exhaust emission control mechanism, comprising a catalyst body for exhaust gas purification (3) which is fitted into an exhaust gas muffler main body (1) for purification treatment of exhaust gas (G) and a fan mechanism (4) which is installed detachably on the exhaust port side of the exhaust gas muffler main body (1) and exhausts the exhaust gas (G) forcibly, whereby the purification treatment of the exhaust gas exhausted from an engine room side can be carried out easily at a low cost by retrofitting the mechanism on a vehicle without complicating a vehicle structure.</p> |
