Centrifugal pump with seal cooling and debris flushing arrangeme

Details Centrifugal pump with seal cooling and debris flushing arrangeme Centrifugal pump with seal cooling and debris flushing arrangeme

1999-01-29

2000-08-08

Look, Edward K.

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

415 582, 415 584, 4151682, 415176, 415204, 415206, 415231, F04D 2906

Patent

active

060992433

ABSTRACT:
A centrifugal pump of the type in which fluid enters radially includes a debris blocking shield over a space around a shaft seal with a channel to supply energized fluid to near the center of the pump impeller. Apertures in the impeller then pass the fluid longitudinally through the impeller and the seal space covered by the shield, with a shield gap for the return of the fluid from the seal space into the main stream.

REFERENCES:
patent: 2101960 (1937-12-01), Sjostrom
patent: 2671406 (1954-03-01), Waller
patent: 2859698 (1958-11-01), Buehler
patent: 5713719 (1998-02-01), Fiore et al.
patent: 5827041 (1998-10-01), Charhut

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