PORTABLE VERTICAL CENTRIFUGAL PUMP FOR PUMPING OUT LIQUIDS FROM SHIPMENT CONTAINERS Russian patent published in 2007 - IPC F04D13/08 F04D7/02 

FIELD: foot, pharmaceutical, chemical and other industries.

SUBSTANCE: proposed pump has drive 1 and housing 3 with axial inlet branch pipe 4. Housing accommodates rotor 6 and separator 5. Rotor is made movable in axial direction and it rests on bearings 7 and 8 and includes shaft 9 with impeller 0 and centering sealing element in form of mounting bushing 23. Pump has outlet branch pipe 12, mounting flange 13, cup 14, stop bushing 15, press-off member 16 and radial blade impeller 17. Cup 14 has projection 18 and it forms pressure chamber which accommodates impeller 17. Axis of outlet branch pipe 12 is arranged in horizontal plane and generatrix of its inner surface is tangential to inner surface of pressure chamber. Bushing 23 is provided with bore 25 for gasket 26 and bead 27. Bearing 8 is installed on lower end face of bushing 23. Bead 27 rests by surface 28 on upper end face of flange 13, and by surface 29 is mated with flange 30. Bearing 32 is fitted in bore 31 of flange 30. Bushing 15 and press-off member are installed for movement on shaft 9 and in cavity of upper end face part of impeller 17, respectively. Bushing 15 can engage with end face of bearing 8.

EFFECT: improved operating characteristics of pumps with provision of safe transfer of wide range of liquids by pump of one type-size from different type shipment containers.

11 cl, 8 dwg