A pump impeller hub

Details A pump impeller hub A pump impeller hub

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/22 (2006.01) F04D 7/04 (2006.01) F04D 29/24 (2006.01)

Patent

CA 2256272

The invention concerns a pump of a centrifugal- or a half axial type meant to pump liquids, mainly sewage water. According to the invention, the pump impeller comprises a hub (4) provided with one or several vanes (5) the leading edges (6) of which being strongly swept backwards.. One or several feeding grooves (8) being arranged in the surrounding pump housing (1) in a surface (7) opposed said vanes.

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