Vacuum-type water removal system for houses, factories, ships an

Details Vacuum-type water removal system for houses, factories, ships an Vacuum-type water removal system for houses, factories, ships an

1977-11-29

1979-08-14

Cohan, Alan

Baths, closets, sinks, and spittoons

Flush closet

With toilet tissue holder

4198, 4431, 137205, 137236R, E03D 500

Patent

active

041640497

ABSTRACT:
A vacuum-type water removal system for buildings, factories, ships and the like is provided wherein waste water collection devices, such as sanitary facilities (e.g., toilets) and other waste producing/or collecting devices, are connected through a cut-off valve to a vacuum conduit for removal of the waste water. The invention concerns the provision of a supplemental arrangement including an overflow opening for the collection devices which is connected to a gravity feed line that feeds a collection chamber connected through a check valve to the vacuum line.

REFERENCES:
patent: 3302216 (1967-02-01), Fulton
patent: 3686693 (1972-08-01), Liljendahl
patent: 3746032 (1973-07-01), Wallgren

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