| 摘要 |
<p>An exhaust gas filtering device (1) which is fitted to the exhaust pipe (22) of a vehicle comprises a cylindrical housing (1), a rotatable hollow cylinder having impellers (3) and an air suction fan (4), and a perforated cylinder (19) which is surrounded by a filter (17) and integrally formed with a lower cover (20). The rotatable hollow cylinder which is integrally formed with the air suction fan and the impellers is supported by upper and lower bearings (a,a') and is arranged in a funnel-shaped casing (5') mounted in the cylindrical housing.</p> |
