Vacuum sewer system

Details Vacuum sewer system Vacuum sewer system

1976-03-18

1980-01-22

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Main line flow displaces additive from shunt reservoir

417120, 417144, C02C 100

Patent

active

041845064

ABSTRACT:
A vacuum sewer system, comprising a number of sewage feeding devices connected to a sewer pipe system under partial vacuum. The arrangement further comprises a self-discharging sewage collecting container to which the suction duct of a vacuum pump has been connected. This vacuum pump suction duct is provided with a valve by means of which the connection between the collecting container and the vacuum pump can be shut off. The outlet end of the sewer pipe system is connected to the collecting container through a non-return valve and there is also a device by means of which the collecting container can be put under atmospheric pressure or under a higher pressure. The different operations are governed by an automatic control device which effects emptying of the collecting container at suitable intervals.

REFERENCES:
patent: 2434027 (1948-01-01), Whittington
patent: 3730884 (1973-05-01), Burns

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