Dispensing – Plural sources – compartment – containers and/or spaced jacket – With common discharge
Patent
1976-01-26
1977-05-03
Tollberg, Stanley H.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With common discharge
222159, G01N 120
Patent
active
040209776
ABSTRACT:
A solution dispensing proportioner utilizing a varyingly pressurized solvent and a solute having a vagrant negative gauge pressure and a tracer that is detectable in proportion to its concentration. The proportioner aspirates the solute and tracer through a conduit, which may have metering flow valves ahead of the confluence in one embodiment, and then for a progressive check of the proportion of the solution after confluence by comparing the light transmissivity of the inflowing solute and the outflowing solution, respectively. The viewing is through windows in close proximity to each other where the relative depths of the flowing streams of solute and solution, as viewed, are substantially inversely proportional to the desired percentage of solute in the solution as corrected for a null point traverse by adjusting the solute valve to provide the ratio desired for the solute and solvent in the final solution. The tracer supply is variable to optimize the null point appraisal.
REFERENCES:
patent: 3938550 (1976-02-01), Hechler
Harbaugh Watson D.
Tollberg Stanley H.
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