Liquid purification or separation – Structural installation – Geographic
Patent
1985-07-26
1986-03-25
Castel, Benoit
Liquid purification or separation
Structural installation
Geographic
2105321, 137561A, E03F 304
Patent
active
045781885
ABSTRACT:
A sewerage flow diverter to direct relatively low volumetric liquid flow of sewerage from a large combined storm water and sewage drain to a sanitary interceptor and to direct relative high volumetric liquid flow of combined storm water and sewerage to bypass the connection to the sanitary interceptor. The diverter comprises a hollow weir positioned in the bottom of the large combined storm water and sewerage drain having a small inlet pipe from the large drain and an outlet pipe to the large drain. An opening or orifice in the hollow weir opens downwardly to an interconnect pipe to the sanitary interceptor. At low flow rates the liquid is primarily sewerage in the bottom of the large drain which possesses relatively low kinetic energy as it enters the inlet pipe in the weir. Within the weir the liquid drops through the opening and passes on to the sanitary interceptor. With increasing volumetric liquid flow in the large combined storm water and sewerage drain, the kinetic energy of the liquid entering the inlet pipe increases thereby causing increasing amounts of liquid to "leap" across the opening and pass through the outlet pipe back into the large drain. The diverter contains no moving parts and can be constructed as a single cast concrete unit for convenient installation. Existing underground mechanically operated diverters can be easily rebuilt to eliminate the mechanical gates and valves and substitute a form of the new diverter.
REFERENCES:
patent: 236740 (1881-01-01), Waring, Jr.
patent: 1035926 (1912-08-01), Wagner
patent: 2164011 (1939-06-01), Hilborn
patent: 3175578 (1965-03-01), Patterson et al.
patent: 4363731 (1982-12-01), Filippi
patent: 4455231 (1984-06-01), Filippi
Castel Benoit
Deimen James M.
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