| 摘要 |
The jet bar has an upper and a lower section, a pressure chamber for pressurized water etc., and a jet plate with jet bores. collection device for water coming from the underside of the bar is formed as a suction tube (4) with suction slot (12), located along the lower edge (14) of the nozzle bar (2). The tube except for the slot, is closed air-tight, and its interior is connecte a suction pump etc. The suction slot has a height of 1-10mm, pref. 2mm, and a funnel shaped collector (11) on the underside of t jet bar is connected to it. |
