| 摘要 |
An axial fan has a cylindrical body with rectifying apparatus equipped with cylindrical bushing, electric motor placed in the body, on its shaft there is fixed the working wheel with conical bushing. The larger diameter of the conical bushing of the working wheel Dvk is 0,85-0,97 of the diameter at which the lower ends of the blades of the working wheel are placed Dlk, and the diameter of the bushing of the rectification apparatus dva is 0,75-0,97 of the larger diameter of the conical bushing of the working wheel Dvk.
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