Centrifugal pump

Details Centrifugal pump Centrifugal pump

1997-03-17

1999-02-23

Kwon, John T.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Resilient, flexible, or resiliently biased

4151701, F04D 2944

Patent

active

058736980

ABSTRACT:
An improved centrifugal pump is disclosed comprising a slip ring arranged around a central opening of a guidevane proximate the intake conduit shoulder of an impeller which is positioned, dimensioned and formed from a material sufficient to creat a lamellar interface between fluid movement on either side of the guidevane which retards the abrading effect of sheering forces at a point of critical clearance among the guidevane and the rotating impeller conduit shoulder.

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patent: 4909707 (1990-03-01), Wauligman et al.
patent: 4948336 (1990-08-01), Mosure
patent: 5295786 (1994-03-01), Kajiwara

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