Pump with cutting impeller and pre-chopper

Details Pump with cutting impeller and pre-chopper Pump with cutting impeller and pre-chopper

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 7/04 (2006.01) F04D 29/22 (2006.01)

Patent

CA 2599166

Pump having a cutting impeller (38), counter knives (40) associated therewith, and a pre-chopper (48) which is driven by a shaft portion (46) that projects axially from the cutting impeller (38), characterised in that the counter knives (40) carry a cutting edge (52) that extends in longitudinal direction of the shaft portion (46).

La présente invention concerne une pompe ayant une roue sécatrice (38), des contre-couteaux (40) associés à elle et un pré-hacheur (48) actionné par une partie d~arbre (46) saillant dans le plan axial hors de la roue sécatrice (38), caractérisée en ce que les contre-couteaux (40) supportent une arête tranchante (52) s~étendant dans la direction longitudinale de la partie d~arbre (46).

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