Patent ID: 7344638

Claim:
In an apparatus for removing fine particles from a liquid influent, the apparatus having a supporting housing frame containing a rotating filter assembly mounted within an interior portion of the supporting housing frame, the supporting housing frame having an open entrance for receiving the liquid influent together with an exit for the liquid, the rotating filter assembly having at least one endless loop grid assembly, a means for driving the endless loop grid assembly, a discharge device mounted on the housing frame so as to remove the particles from the endless loop grid assembly as the particles reach a designated portion of the housing frame so that entrained particles are removed from the apparatus, the improvement comprising: (a) the endless loop grid assembly having multiple adjacent removable grid sections, each grid section slidable within a slot in multiple top-to-bottom longitudinally mounted links, the slot in each link of length sufficient to accommodate insertion of the grid section, a substantial number of links having a spike protruding outwardly, each link spaced apart from another link in the grid section, each link mounted on a grid shaft, the grid shaft mounted horizontally within the endless loop grid assembly; and (b) the multiple adjacent grid sections containing filter media with evenly spaced openings, ranging from 0.25 mm to 25 mm in diameter.