Sewer system

Details Sewer system Sewer system

1979-08-17

1981-11-03

Artis, Henry K.

Baths, closets, sinks, and spittoons

Flush closet

Bowl

4434, 4316, 4435, 4415, 137205, E03D 1100

Patent

active

042977517

ABSTRACT:
A sewer system in which partial vacuum is used for transporting sewage through a sewer pipe to a collecting chamber or the like. The system comprises only a few sewage producing units, preferably only one at a time usable unit. The length of the sewer pipe from a sewage producing unit to the collecting chamber is comparatively small and the operating devices of the system are arranged to generate vacuum in the sewer pipe principally only for the time required for transporting each separate sewage discharge emitted into the sewer pipe. Preferably, the operating devices are arranged to stop generating the vacuum before the actual transport of the sewage takes part.

REFERENCES:
patent: 3239849 (1966-03-01), Liljendahl
patent: 3302216 (1967-02-01), Fulton
patent: 3482267 (1969-12-01), Liljendahl
patent: 3686693 (1972-08-01), Liljendahl
patent: 3746032 (1973-07-01), Wallgren
patent: 3780757 (1973-12-01), Jordan
patent: 4131959 (1979-01-01), Albartassi
patent: 4164049 (1979-08-01), Michael
patent: 4209034 (1980-06-01), Michael

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