FIELD: mechanical engineering. SUBSTANCE: radial blades of the same height having trapezoidal cross-section are arranged on the flat base surface of the disk symmetrically to the axis. The blades or groups of adjacent blades have alternating grater and lesser profile bases which belong to the base surface of the disk. EFFECT: improved design. 3 dwg
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IMPELLER | 1992 |
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Authors
Dates
1995-05-27—Published
1992-10-26—Filed