Pump impeller

Details Pump impeller Pump impeller

1998-06-10

2000-12-12

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having tangential inlet or outlet

415206, 415 72, 416177, F04D 702, F04D 3942

Patent

active

061589594

ABSTRACT:
A pump impeller of a centrifugal or a half axial type meant to pump liquids, mainly sewage water. The pump impeller has 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).

REFERENCES:
patent: 3644056 (1972-02-01), Wiselius
patent: 4540334 (1985-09-01), Stahle
patent: 4594052 (1986-06-01), Niskanen

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