| 摘要 |
FIELD: ventilation. ^ SUBSTANCE: axial fan impeller includes a hub connected by means of discs to power flange and shell, in the openings of which there installed on power flange are rotary bases of doubled blade of impeller on the axles fixed by means of bearing housings. Rotary bases of blades are two-piece and consist of basic and detachable parts; on the basic part rigidly attached to the blade root there fixed by means of a threaded connection is detachable part with thin blades with cross pieces. ^ EFFECT: improving maintainability and operating economy of axial fans. ^ 2 dwg |
