Self-priming centrifugal trash pump

Details Self-priming centrifugal trash pump Self-priming centrifugal trash pump

1977-01-05

1978-12-12

Husar, C. J.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Cross flow runner

415172R, 415196, 415204, 415206, F04D 2944, F01D 102, F01D 902, F04D 2908

Patent

active

041294025

ABSTRACT:
A centrifugal pump which is easy to clean, simple to assemble and disassemble, and economical to manufacture is disclosed. The pump comprises two cast metal casing members, one of which has an integral volute wall and the other of which has an oval partition providing an inlet plenum opposite the volute wall. A wear plate is interposed between the casing members to channel fluid in the desired direction through the pump. An impeller is mounted for limited axial adjustment on its engine shaft to adjust its clearance with the wear plate. The impeller also has specially-designed slinger teeth which function to minimize wear of the impeller shaft seal.

REFERENCES:
patent: 2163464 (1939-06-01), Llewellyn
patent: 2347386 (1944-04-01), Adams
patent: 3171357 (1965-03-01), Egger
patent: 3229641 (1966-01-01), Hessler
patent: 3270678 (1966-09-01), La Monica
patent: 3276385 (1966-10-01), Marlow
patent: 3499388 (1970-03-01), Eberhardt
patent: 3543368 (1970-12-01), Marlow
patent: 3741679 (1973-06-01), Johnston
patent: 3776659 (1973-12-01), Coon, Jr.
patent: 3826589 (1974-07-01), Frank et al.
patent: 3829238 (1974-08-01), Speck

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