| 摘要 |
<p>The cleaning device (1) has suction unit that is provided with suction tube (3) whose opening (4) is guided over surface (5) to be cleaned so that dust particles on the surface enters through suction air inhaled via the opening. A compressed-air nozzle arrangement (7) is provided with compressed air channel (9) and compressed air nozzle (10). A compressed air flow output is superimposed at predetermined inclination angle in the region of opening via which suction air enters.</p> |
