Patent ID: 7125486

Claim:
A device ( 10 ) for removing small solids from water, the device ( 10 ) comprising an axle ( 12 ) and a plurality of rotational filtering units ( 14 ) installed on the axle ( 12 ) so that while impinged and therefore rotated by the water and small solids, the rotational filtering units ( 14 ) filter the small solids, wherein each of the rotational filtering units ( 14 ) comprises a waterwheel ( 16 ) installed on the axle ( 12 ) and a plurality of filters ( 18 ) installed on the waterwheel ( 16 ) pivotally in order to intercept the small solids at the right angle, wherein each of the rotational filtering units ( 14 ) comprises a plurality of yokes ( 32 ) pivotally installed on the waterwheel ( 16 ) in order to carry a pair of the filters ( 18 ) each.