| 摘要 |
A fan assembly (10) including a plurality of fan blades (28) connected to a rotatable central fan hub (29) and extending radially outwardly from the fan hub (29) and being spaced equidistantly about the fan hub (29). An annular shroud (16) is provided within which the fan blades (28) rotate, whereby the tips of the blades (28) are in close facing relationship with a facing surface of the shroud (16). A plurality of radial spokes (20) extend from the shroud (16) to a fixed central shroud hub (22) which is coaxial with the fan hub (29). An air intake guard (33) is provided at the rear of the fan assembly (10) and includes a plurality of spaced apart radial spokes (34). A stator (11) is provided at the front of the fan assembly (10) and includes an annular ring (12) which is connected to the shroud (16) and a plurality of radial spokes (14) extend from the ring (12) to a fixed central stator hub (13) which is coaxial with the fan hub (29). A liquid delivery arrangement is provided that is connectable to a source of liquid, the liquid delivery arrangement including a plurality of discharge outlets (52) positioned to discharge liquid into the path of the fan blades (28) from adjacent the fan hub (29). |
