Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural distributing means immediately upstream of runner
Patent
1980-12-24
1983-02-15
Coe, Philip R.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural distributing means immediately upstream of runner
415183, 415206, 415219C, F04D 100
Patent
active
043738605
ABSTRACT:
A submersible pump assembly having a volute casing in which a pump impeller is rotatably driven from a power source located outside the pump casing. The scroll-type casing has an axially directed inlet and tangential outlet. A drive shaft connects the power source with the radial flow impeller and a support bearing for the drive shaft is located at one side and centrally of the casing. The water inlet for the pump casing is located co-axially with the axis of the impeller at one side of the pump casing. The water flowing in an axial direction into the pump casing forms a vortex around the shaft bearing to create a minimum pressure zone around the bearing.
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patent: 3708239 (1973-01-01), Stahle
patent: 3824042 (1974-07-01), Barnes et al.
patent: 4224009 (1980-09-01), Grandi
Coe Philip R.
Nilles James E.
Stinson Frankie L.
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