FIELD: fan engineering. SUBSTANCE: working wheel of the centrifugal fan comprises carrying disk, covering disk, and blades interposed between the disks and inclined to them. The blades are bent in plane of cross-section over the central line, inclined to the direction opposite to the direction of rotation of the working wheel and have chamfered inlet edges. EFFECT: improved design. 3 dwg
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|
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|
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| CENTRIFUGAL FAN IMPELLER | 1991 |
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|
RU2047007C1 |
