CENTRIFUGAL PUMP Russian patent published in 2023 - IPC F04D1/00 

FIELD: mechanical engineering.

SUBSTANCE: invention relates to centrifugal pumping units designed for pumping liquids. The centrifugal pump contains an inlet pipe with a groove for a stationary cutter, an electric cable, a top cover, a bearing cover, a motor housing, a spiral-shaped housing, a semi-open impeller with a blade in the form of two rectangular plates and an impeller with six spiral blades, a mechanical seal cover, a mechanical seal, bearing housing, bearings, motor, oil seal, oil seal cover, water cooling jacket, cooling water inlet, three bearings, circuit board for electrical cable, stationary cutter includes a ring element with a flat surface and twelve evenly spaced holes for screw connection, hollow cylinder, three blades in the form of flat plates.

EFFECT: invention allows to increase reliability and productivity.

1 cl, 6 dwg