Patent ID: 6969018

Claim:
Sanitary comminutor for an installation for handling waste water and solid waste, comprising: a tank with a water inlet channel ( 14 ) allowing water into the tank ( 1 ), an electric motor, located interior to the tank, with an axle having a first end, the axle first end connecting to a rotary pump with a rotor ( 5 ) having helicoidal blades ( 6 ), and comminuting means, the pump comprising a pump body housing the rotor, the pump body including a lower opening, a shredding chamber ( 3 ) facing the comminuting means and provided with an inlet opening ( 4 a ) in fluid communication with the water inlet channel of the tank, wherein, a front surface ( 5 a ) of the rotor ( 5 ) is substantially flat and comprises a plurality of passages ( 7 ) for water disposed substantially radially and opening about the circumference of the rotor ( 5 ), the comminuting means comprises shredding members ( 9 ) attached to a flat region of the front surface of the rotor, the shredding members disposed projecting axially relative to said front surface ( 5 a ), each passage ( 7 ) of the rotor ( 5 ) is prolonged by a channel delimited by the helicoidal blades ( 6 ), said rotor ( 5 ) is disposed in the body ( 8 ) of the pump such that the flat region of front surface ( 5 a ) is at least substantially in the plane of the lower opening of the pump body, the shredding members ( 9 ) are disposed projecting axially relative to said front surface ( 5 a ).