Device in a vacuum transportation system for liquids, preferably a vacuum sewage system
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United States of America Patent
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Aug 5, 1986
Grant Date -
N/A
app pub date -
Feb 6, 1985
filing date -
Feb 10, 1984
priority date (Note) -
Expired
status (Latency Note)
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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.
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