MODULAR SECTION OF SUBMERSIBLE CENTRIFUGAL PUMP Russian patent published in 2015 - IPC F04D13/10 F04D29/70 

FIELD: machine building.

SUBSTANCE: modular section of the submersible centrifugal pump contains base and head with the integral radial bearings, adapters with intermediate bearings, filtering elements. Besides, the section contains tubular elements with perforated holes, located between the base and bottom adapter, between the adapters, between the top adapter and head, and connected with them by thread. The section has shaft installed in the integral radial bearings of the head, and base, and in the intermediate bearings with possibility of rotation. The filtering elements are located above the adapters and tubular elements, at edges they have spacing washers. The tubular elements and the adapters have the possibility of contact with the external surfaces of the internal elements of the filtering elements.

EFFECT: increased reliability, durability, reduced price of section, increased MTBR of the section and entire pump.

5 cl, 3 dwg