| 摘要 |
<p>A suction chamber (5a) for a water beam (1a), having a perforated suction surface (3a, 3b) for removal of sprayed water at the lower side (5b) of the chamber, includes an air supply device (11a), which is associated with the beam and/or the chamber, has outlet opening(s) (11c) in the beam region, feeds air to the water jet (10) and has a blower to generate excess pressure.</p> |
