FIELD: motors and pumps.
SUBSTANCE: invention relates to the field of pump construction and can be used in industry, agriculture and domestic needs. Rotary pump impeller of a centrifugal pump is characterized in that the value of the angle between the tangent to the output edge of the blade and the tangent to the circumference of the impeller is in the range from 40 to 90°, and the shape of the blades is described by surfaces of the second order.
EFFECT: invention is aimed at increasing the created head while maintaining the impeller efficiency of rotary pump impeller.
9 cl, 8 dwg
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Authors
Dates
2018-07-19—Published
2017-07-10—Filed