Patent ID: 7160443

Claim:
An apparatus for removing material from a liquid flowing through a channel, comprising: a sieve grate having an inflow side, an inner side and an outer side, said sieve grate being designed to be cylindrical and to be rotatably driven, said sieve grate being arranged at an inclined orientation to be partially submerged in the liquid, said sieve grate at the inflow side including an open face, said sieve grate at the inner side including a plurality of guide plates, said guide plates being containers designed and arranged to convey a mixture of material and liquid in an upward direction during rotation of said sieve grate, said sieve grate including a shaping carrier element, said sieve grate including a mesh fabric, said mesh fabric being designed and arranged to form a separation surface for the material; a screw conveyor, said screw conveyor including a housing, said screw conveyor including a driven conveying screw, said screw conveyor being coaxially arranged with respect to said sieve grate, said screw conveyor in the region of said sieve grate including a feeding hopper for the material, said feeding hopper having a bottom side and including a plurality of openings located in the region of the bottom side; and a detaching device, said detaching device being arranged at the outer side of said sieve grate and above said feeding hopper in a stationary way, said detaching device being designed and arranged to detach material which adheres to the separation surface from inside of said sieve grate.