FIELD: hydraulic power engineering.
SUBSTANCE: impeller of the turbine pump contains a row of spherically shaped biomimetic knobs 2 evenly distributed over the span of blades 1. The diameter of the cross-section of the body of knobs 2 depends on the span of blade 1. The frontal part of knobs 2 protrudes forward. The axis of rotation of the first knob 2 is located at a certain distance from sleeve 7 of the impeller. Spacing between knobs 2 in the direction from sleeve 7 is equal. The number of knobs 2 in a row depends linearly on the span of blade 1.
EFFECT: simplified manufacturing technology, reduced complexity in the design, reduced hydraulic losses in the impeller of the turbine pump, and increased efficiency of the turbine pump as a whole.
1 cl, 3 dwg
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