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US 7,077,957 B2Granted
Overflow screening device
AssigneeSon Screen Pty Ltd
InventorStephen John Posselt
Life of this patent
Estimating the term…
Abstract
A screening device which is particularly useful for separating solids from liquids when sewerage systems overflow. The device includes an inner apertured chamber and an internal brush arrangement for sweeping over the apertures to prevent clogging. A spray enables the apertured chamber to be washed after use.
Claims11
An overflow screening device used in association with the overflow of a sewerage system, said screening device comprising an internal coaxially aligned cylindrical chamber having a cylindrical side wall section with a plurality of apertures and an internal brush arrangement for sweeping over the apertures,
- said screening device further including a solids/liquid inlet tangentially located with respect to the side wall of the internal cylindrical chamber,
- a solids outlet in the bottom of the device within the boundaries of the internal cylindrical chamber, and
- wherein the solids are returned by way of the solids outlet to the sewerage system.
Dependencies are inferred from the claim text.