FIELD: machine building.
SUBSTANCE: group of inventions concerns the centrifugal pump with Pitot tubes. Pump is made with axially located inlet and outlet, arranged on the rotor opposite axial sides. Rotor rests against the bearings between the rotating bushing and the suction hole. Rotating bushing is concentric with the outlet. Rotating bushing is driven by gears by means of the drive mechanism. Accommodating suction sealing part provides he air gap in contact with the sealing mechanism, located in the suction sealing housing. Opposite the bearing, the insulating plate is located, to isolate the bearing from the air gap.
EFFECT: inventions are aimed at the speed at the pump inlet reduction, the permissible suction head and the axial forces balance improvement.
17 cl, 4 dwg
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