| 摘要 |
FIELD: large-size ventilation plants. ^ SUBSTANCE: invention can be used in ventilation plants and air conditioners of capacity up to 1,000 cu. M of air per minute. Proposed axial flow fan contains hollow bushing with blades through which return of additional axial flow formed inside elongated pressure chamber is provided. Air flow of fan is divided into cold and hot flows. ^ EFFECT: enlarged operating capabilities and reliability in operation. ^ 36 cl, 8 dwg |
