| 摘要 |
The air distribution device comprises a blade ring (11) and therein, between a blade ring tube (11c) and its shaft (11b), air guide blades (11a, 11a 2 ...; 11a 1 ', 11a* small Greek eta *' ...; 11a ", 11a 2 " ...). The blade ring (11) is mounted in a stationary position in relation to an outermost tube which includes a collar. In the air distribution device, there is a displaceable separate cylinder pipe (13), which is used for guiding air and which can be brought into different regulation positions in relation to the stationary blade ring (11). |
