| 摘要 |
<p>The suction device (AER) for finely distributed and/or gaseous substances has an annular body with an upper (OTE) and a lower (UTE) section, wherein the upper section and the lower section are held together in the in-use state by a clamping arrangement (SSB), and after releasing the clamping arrangement are separable, freeing the inside of the annular body. The discharge opening is defined by a lower basically cylindrical wall section and an upper, upwards and outwards widening conical wall section adjoining it, wherein the suction holes (ASB) are formed in the conical wall section.</p> |
