| 摘要 |
The device (2) has a radial fan retaining chamber (4) forming a housing tongue (13) by an air evacuation opening (11), and an air guide device (17) e.g. ten-air guide devices, arranged in the radial fan retaining chamber. The air guide device is arranged directly behind to the housing tongue in an air flow direction (L) and fixed between a motor side and a frame side. The air guide device is formed as partial thin-walled and made of plastic material and includes rectangle, triangle, quadrangular, trapezoidal, curve and/or wave shaped in the air flow direction. |
