Sewage pump assembly

Details Sewage pump assembly Sewage pump assembly

1977-12-27

1980-05-27

Freeh, William L.

Rotary kinetic fluid motors or pumps

With separating means or guard for solid matter in working...

417 36, F04D 2970, F04B 4900

Patent

active

042048010

ABSTRACT:
A sewage pump assembly includes a sewage pump having an inlet port; and a substantially vertical pipe connected to the inlet port of the sewage pump, and extending up to a predetermined level relative to the sewage pump. The vertical pipe has a first inlet opening directed upwardly at its top end, and a second inlet opening extending in a predetermined length from the top end along the vertical pipe. The vertical pipe is connected through a long vertical suction pipe to the inlet port of the sewage pump. Floating materials on the filthy water can be sucked into the first and then second inlet openings of the vertical pipe for a long time required for the water level of the filthy water to change from a level slightly higher than the first inlet opening to another level adjacent to the lower end of the second inlet opening.

REFERENCES:
patent: 2747513 (1956-05-01), Atkinson
patent: 3233549 (1966-02-01), Howe
patent: 3890065 (1975-06-01), Eller
patent: 3963376 (1976-06-01), Miskin
patent: 3972647 (1976-08-01), Niedermoyer

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