| 摘要 |
<p>The suction unit (AER) for finely distributed and/or gaseous substances has an annular body which has an upper section (OTE) and a lower section (UTE), wherein upper section and lower section are held together in the in-use state by a clamping device (SSM), and after opening of the clamping device are separable, freeing the interior of the annular body. The discharge opening is delimited by a lower cylindrical wall section and an adjoining upper conical wall section which widens upwards and outwards, wherein the suction holes (ASB) are formed in the conical wall section.</p> |
