Pump impeller

Details Pump impeller Pump impeller

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/22 (2006.01) F04D 29/18 (2006.01) F04D 29/24 (2006.01)

Patent

CA 2253067

The invention concerns a pump impeller 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. The periphery (8) of the leading edge is displaced 125-195 degrees relative to its connection (7) to the hub (4).

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