| 摘要 |
It is described a guide shield (1), particularly for radial-flow fans (2) mounted on a driving shaft (31) of a drive unit (3) and consist of a rotor (21) located in a housing(22). The guide shield (1) consists of an internal hub (11) and an outer ring (12), which each other are coupled by at least three circumferentially positioned ribs (13). The ribs (13) create flow channels (14), which are maintained so that at least two flow channels (14) have a different outlet flow section. The each flow channel (14) may have yet another outlet flow cross-section. |
