Patent ID: 7267763

Claim:
Water intake screen with filter panel, comprising a frame adapted to be connected to said water intake and a circular filter panel disposed transversely in a circular opening of said frame, to which it is fastened, wherein said circular filter panel comprises a wheel extending in a substantially vertical plane between a lower position and an upper position and comprising radial retaining members on the upstream side of said circular filter panel and attached thereto, an aspiration device on the upstream side of said retaining members, and means for driving said circular panel and/or said aspiration device with a rotary relative movement so as to generate locally through said circular filter panel a successive counterflow at each retaining member in accordance with said rotary relative movement in order to take up successively debris and particles retained thereby and to direct them through an evacuation pipe adapted to evacuate said debris and particles to the exterior, wherein said aspiration device comprises an aspiration pump and an aspiration horn, and wherein the internal volume of said circular filter panel is divided circumferentially into compartments by radial partitions forming said retaining members and said aspiration horn has a triangular contour in plan view the same size as or substantially larger than that of one of said compartments.