Vacuum operated sewerage system

Details Vacuum operated sewerage system Vacuum operated sewerage system

1977-07-15

1979-10-23

Rowland, James L.

Conveyors: fluid current

With adjunctive substance added

Liquid

251 615, 406192, B65G 5334, F16K 3136

Patent

active

041718534

ABSTRACT:
A vacuum-operated sewer system includes an integrated main valve and controller upstream of a collection unit for admitting sewage into the system. An in-line valve unit has a piston-cylinder operator. A vacuum-operated controller and a pilot valve unit are mounted on the operator. A pressure sensor is connected to the gravity side of the valve. A surge tank and check valve connect the vacuum side to a supply port of the controller. A water trap tank is located between the bottom end of an intake air line and the connection to the valve operator and controller assembly. A mesh fills the tank to increase the heat transfer of the moisture laden air such that the moisture condenses out in the tank. A drain system is connected to the trap tank and the operator to discharge accumulated water from the control system into the sewer system during each cycle of the valve unit.

REFERENCES:
patent: 3294453 (1966-12-01), Desmarchais et al.
patent: 3705480 (1972-12-01), Wireman
patent: 3724177 (1973-04-01), Grote
patent: 3777778 (1973-12-01), Janu
patent: 4015959 (1977-04-01), Grote

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