Pump having a single or a plurality of helical blades

Details Pump having a single or a plurality of helical blades Pump having a single or a plurality of helical blades

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 7/04 (2006.01) F04D 1/04 (2006.01) F04D 3/02 (2006.01) F04D 13/00 (2006.01)

Patent

CA 2080591

A vertical pump (1) having a single or plurality of helical blades (10, 11, 12) mounted on a forward end of a rotary drive shaft (2) of the pump. The pump is of non-blocked type in which the helical blade or blades (10, 11, 12) are disposed with superior balance with respect to the rotary drive shaft (2), and is wide in flow passage between blade portions of the helical blades. The pump is particularly suitable for sewage treatment or the like.

Pompe verticale (1) possédant des aubes en spirale (10, 11 et 12) fixées à l'extrémité distale de son arbre principal (2). Une ou plusieurs aubes en spirales (10, 11 et 12) sont disposées de manière à être bien équilibrées par rapport à l'arbre principal (2) de la pompe, ce qui élargit le passage d'écoulement entre les aubes en spirale, qui est du type sans fermeture. Cette pompe est particulièrement indiquée pour l'élimination des eaux d'égout.

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