Pump impeller

Details Pump impeller Pump impeller

F - Mech Eng,Light,Heat,Weapons

04

D

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

Patent

CA 2254187

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 (1) provided with one or several vanes (2) the leading edges (3) of which being strongly swept backwards. The size of the sweep angle (.alpha.) varies between 35 and 65 degrees at the connection with the hub (1) and 55 and 85 degrees at the periphery (5)

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