| 摘要 |
<p>5 A cyclonic separation apparatus (208) for a vacuum cleaner, the cyclonic separation apparatus comprising: a first cyclonic separating unit comprising a hollow cylindrical dirt container (320,330) with a central axis (321) and an air inlet port (326) arranged tangentially through a side of the dirt container; a second cyclonic separating unit comprising at least one cyclone with an axial inlet port (288), an axial outlet port (256) 10 and a discharge nozzle (287) and a substantially cylindrical intermediate wall (282,290,310) surrounding the inlet port (288) of the at least one cyclone (284), wherein the cyclonic separation apparatus comprises at least one protruding lip (304,328) arranged to impede return of separated material from said longitudinal end of the dirt container and wherein the at least one lip (304,328) protrudes radially inwardly from an 15 inner surface of the dirt container or protrudes radially outwardly from the intermediate wall. 20 Figure 12. 270 25 256 321 254 324 252 288 257 25625 320,322 -.-- 285 1-290 326 20F8 -------- 286 286- 312 330 302 300 31316 310,314</p> |
