Pumping device

摘要

A pump is disclosed, with a casing comprising a substantially circular body having at least two radial inlets, at least one peripheral outlet and a transversal aperture. The casing further comprises a substantially circular impeller mounted within the body for rotation about the aperture. The impeller has a substantially uninterrupted sinusoidal profile. A pumping system and a method of pumping are also disclosed, which use the pump configuration.

主权项

1. A casing for a pump comprising:
a circular body having at least one central aperture, at least two radial inlets, and at least one peripheral outlet, the body comprising two sections defining a volume apt to accommodate a substantially circular impeller with a substantially sinusoidal profile mounted within the body for rotation about the aperture wherein a wall of each section is substantially frusto-conical about the aperture and tapers inwardly as the wall extends from adjacent a periphery of the body into the volume.