FIELD: fan engineering. SUBSTANCE: outlet part of each blade of the working wheel is provided with a plate whose diameter is grater than outer diameter of disks. Each blade has curved profile, and its inlet angle is less than outlet angle by 20-120 deg and equal to the outlet angle of the blade. EFFECT: improved design. 3 cl, 2 dwg
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Authors
Dates
1995-05-27—Published
1992-08-19—Filed