| 摘要 |
The subject of the utility model is the a device for supplying fuel and air to the pellet burner, comprising a centrifugal fan, a drive motor of which is located inside a blade-ring of the fan's rotor. The device is <b>characterised in that</b> a fan (1) has a shaft with a notched rack, which meshes with a transmission (6) mechanism, in addition, the transmission (6) is aligned with the fan by means of a centring sleeve (7), whereas a feeder (10) formed in a steel worm spiral is attached to the shaft (8) of the transmission (6), and it is advantageously ended with a mixing element (11). |
