| 摘要 |
<p>dadurch gekennzeichnet, dass The nozzle head has a laval-ring nozzle (56) that is arranged at a bell shaped plate (8) with respect to rotational axis (18). A dispensing ring gap (44) is formed at the laval-ring nozzle for allowing the flow of working fluid to the outflow surface (34) of the bell shaped plate. A guide structure (40) having a rotationally symmetric lateral surface (38) with respect to the rotational axis, is surrounded by the outer circumferential surface (16) of the bell-shaped plate.</p> |
