Flow path structure in water pump

Details Flow path structure in water pump Flow path structure in water pump

1997-06-27

1999-05-04

Verdier, Christopher

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having tangential inlet or outlet

415204, 4152681, F04D 2940

Patent

active

058996621

ABSTRACT:
A water pump for feeding water under the action of centrifugal force created by rotation of an impeller disposed within a pump case includes a cooling water discharge port formed at a position offset in the axial direction of the pump from the outer peripheral portion of the impeller. A flow path structure having a projecting portion for guiding cooling water from the outer peripheral portion of the impeller up to the discharge port is intended to provide a flow path structure capable of smoothing the flow of cooling water, thereby increasing the amount of cooling water discharged and improving the pumping performance.

REFERENCES:
patent: 2618223 (1952-11-01), Ransohoff
patent: 4549848 (1985-10-01), Wallman
patent: 5100288 (1992-03-01), Stanislao
patent: 5779444 (1998-07-01), Onigata et al.

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