| 摘要 |
<p>A vacuum cleaner head (10) comprising a curved body (15) about which fluid can circulate, the curved body having a lower portion (17) which in use is adapted to be adjacent the area to be vacuumed, the lower portion being dimensioned to provide a lower pressure surface, the curved body also having an upper portion (18) dimensioned to provide a higher pressure surface, fluid acceleration means (21) to accelerate the fluid about the curved body, a fluid stream splitter (31) in the upper portion of the curved body to split the fluid into a recirculated portion which continues to move about the curved body, and a waste portion which passes into a dust collecting chamber (32) and is exhausted therefrom.</p> |
