Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Dynamically created seal
Patent
1987-12-28
1989-08-08
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Dynamically created seal
415 87, 416186R, F04D 2908
Patent
active
048548200
ABSTRACT:
A centrifugal pump is proposed for handling liquids carrying solid abrasive particles in a casing having a flow-through portion formed by a discharge passage and a flow-through passage of an impeller accommodated inside the casing. The discharge passage is confined by a front and rear wall of the casing, relative to the incoming flow of the liquid being transferred, and by a peripheral wall of the casing integral with the front and rear walls. The geometry of the peripheral wall of the casing follows the pattern of the distribution of the solid abrasive particles in the flow-through portion of the pump. The flow-through passage is formed by a carrying disk mounted on a drive shaft and having vanes secured thereto, and by a driven disk secured on the vanes.
REFERENCES:
patent: 3146722 (1964-09-01), Warman
patent: 3190226 (1965-06-01), Judd
patent: 3535051 (1970-10-01), Turner
patent: 3759628 (1973-09-01), Kempf
patent: 4475868 (1984-10-01), Renger
patent: 4527947 (1985-07-01), Elliott
patent: 4556239 (1985-12-01), Eriksson
patent: 4664592 (1987-05-01), Grzina 415
Karachaban Nikolai G.
Karakhanian Vladimir K.
Kljuzhin Evgeny A.
Kopelyansky Vladimir B.
Kuznetsov Oleg V.
Garrett Robert E.
Kwon John T.
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