| 摘要 |
<p>The machine has cylindrical running wheels (1, 2) arranged in a flow channel (3), which comprises an inlet portion (4), a deflection portion (5) and an outlet portion (6). The running wheels are partially arranged in the inlet portion and the outlet portion. The inlet portion is arranged directly above the outlet portion. The running wheels are arranged in series. The inlet portion and the outlet portion are led into a common flow channel (7). A pivotable flap (8) is arranged in the common channel and divides the common flow channel into an inlet channel (7a) and an outlet channel (7b).</p> |
