Sump pump

Details Sump pump Sump pump

1974-10-25

1976-08-10

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

415 98, F04D 2928

Patent

active

039738710

ABSTRACT:
A sump pump comprising a sump having an inlet for the liquid to be pumped and a discharge outlet, the pump proper being received at the bottom of the sump and being driven by a vertically mounted shaft. The pump comprises two impellers each having two intakes, the impellers being mounted one above the other on the shaft and surrounded by two volutes each having one or two outlets which are connected to the inlets of a collecting manifold, the outlet of such manifold being connected to the outlet of the sump.

REFERENCES:
patent: 990507 (1911-04-01), Sulzer
patent: 1089770 (1914-03-01), Kerr
patent: 1608018 (1928-05-01), Hollander
patent: 2543633 (1951-02-01), Lamphere
patent: 2661698 (1953-12-01), Schellens
patent: 3671138 (1972-06-01), Ball

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