Device in a vacuum transportation system for liquids, preferably

Details Device in a vacuum transportation system for liquids, preferably Device in a vacuum transportation system for liquids, preferably

1985-02-06

1986-08-05

Walton, G. L.

Fluid handling

Diverse fluid containing pressure systems

Main line flow displaces additive from shunt reservoir

4323, 137393, 137395, 137403, 137403, 141 65, 141198, 222 66, F16K 3112, F16K 31128

Patent

active

046037098

ABSTRACT:
The invention relates to a device in a vacuum transportation system for liquids, preferably a vacuum sewage system, comprising a transportation conduit (12) which is under vacuum and via a normally closed valve (13) and a suction pipe (14) connected to a liquid collecting container (10). The closing movement for the valve (13) is activated by the change in pressure which occurs when air entering after the liquid flows into the system.

REFERENCES:
patent: 3654953 (1972-04-01), Hagdorn
patent: 3746032 (1973-07-01), Wallgren
patent: 3777778 (1973-12-01), Janu
patent: 3807431 (1974-04-01), Svanteson
patent: 4188968 (1980-02-01), Trobaugh et al.
patent: 4297751 (1981-11-01), Olin et al.
patent: 4357719 (1982-11-01), Badger et al.

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