Patent ID: 7597110

Claim:
A water-bearing domestic appliance comprising: a retainer for retaining items to be subjected to a liquid treatment: and a drainage pump having an inlet through which liquid enters the drainage pump, an outlet through which liquid exits the drainage pump, a pump impeller for conveying liquid along a passage through the drainage pump extending from the inlet to the outlet, and a separate chamber located downstream of the pump impeller relative to the direction of flow of liquid through the passage, the separate chamber having an internal diameter and an external diameter and having respective radial bores on its external diameter and in the vicinity of its internal diameter, and the operation of the drainage pump being such that liquid received into the drainage pump via the inlet flows into an area of the passage at which the pump impeller is operating and thereafter flows further along the passage with at least some of the liquid flowing into contact with the separate chamber downstream of the pump impeller and entering and passing through the radial bores of the separate chamber.