Fluid handling – Diverse fluid containing pressure systems – Main line flow displaces additive from shunt reservoir
Patent
1977-02-28
1978-09-12
Cohan, Alan
Fluid handling
Diverse fluid containing pressure systems
Main line flow displaces additive from shunt reservoir
137574, F16K 1900
Patent
active
041129644
ABSTRACT:
A closed hollow pressure container is provided including first and second closed compartments therein. A liquid inlet opens into one of the compartments and a liquid outlet opens outwardly of a lower portion of the second compartment. Gas transfer passage structure is provided communicating the upper portions of the compartments for the transfer of gas under pressure from an upper portion in the first compartment into the upper portion of the second compartment and the container is operatively associated with a liquid pressure flow line including inlet and outlet end portions. The flow line includes flow reducing structure within the line intermediate its inlet and outlet ends and a bleed line communicates the flow line, upstream from the flow reducing structure, with the interior of the first compartment and a restricted flow liquid feed line communicates the lower portion of the second compartment with the flow line downstream from the flow reducing structure. The second compartment may receive liquid medication therein to be proportionally fed therefrom into the flow line by liquid passing from the flow line through the bleed line and into the first compartment and displacing gas from within the upper portion of the first compartment into the upper portion of the second company and thereby building up gas under pressure above the liquid medication within the second compartment for dispensing a proportioned amount of medication into the flow line downstream from the flow reducing structure.
REFERENCES:
patent: 1522329 (1925-01-01), Salucci
patent: 1855323 (1932-04-01), Sirch
patent: 2120608 (1938-06-01), Haering
patent: 2153240 (1939-04-01), Dailey
patent: 2227646 (1941-01-01), Hillmann
patent: 2362607 (1944-11-01), Albertson
Cohan Alan
Jacobson Harvey B.
O#Brien Clarence A.
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