Fluid handling – Diverse fluid containing pressure systems – Main line flow displaces additive from shunt reservoir
Patent
1989-11-03
1991-04-09
Cohan, Alan
Fluid handling
Diverse fluid containing pressure systems
Main line flow displaces additive from shunt reservoir
137209, B01F 308
Patent
active
050056018
ABSTRACT:
At least one air tank and a tank of a solution to be injected into an irrigation system. Irrigation water is allowed to slowly fill the air tank. As the water rises in the air tank trapped air in the tank is compressed. This compressed air is allowed to pass into the top of the container of solution forcing the solution from the bottom of the container into the irrigation system. An adjustable metering valve controls the amount of solution that passes into the irrigation water and hence the amount of water that can flow into the air tank. The tank capacities are such that when the air tank is filled with water the solution has been exhausted from the solution tank. Drain means is provided in the air tank to drain the water therefrom.
REFERENCES:
patent: 2058309 (1936-10-01), Haering
patent: 2064627 (1936-12-01), Paine
patent: 2227646 (1941-01-01), Hillmann
patent: 2362607 (1944-11-01), Albertson
patent: 2642886 (1953-01-01), Bell
patent: 4112964 (1978-09-01), Banks
Cohan Alan
Gilliam Frank D.
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