Fluid handling – Self-proportioning or correlating systems – Mixture condition maintaining or sensing
Patent
1976-11-11
1978-05-30
Nilson, Robert G.
Fluid handling
Self-proportioning or correlating systems
Mixture condition maintaining or sensing
G05D 912, G05D 1108, G05D 1113
Patent
active
040918343
ABSTRACT:
The invention concerns a novel apparatus for automatically preparing a solution of controlled salt concentration, which comprises a mixer container in which preparation of the solution may take place, a regulator device for regulating supply of components of the solution to the mixer container, a level detector for detecting the level of solution in the mixer container in the vicinity of a prescribed primary level, a concentration probe for detecting concentration of salts in the solution, and a control device connected to receive electronic signals transmitted from said level detector and said concentration probe for producing a control output signal to control said regulator device, whereby the level of solution in the container is maintained in the vicinity of said prescribed primary level and the concentration of salts in the solution is maintained in the region of a predetermined value.
REFERENCES:
patent: 3352779 (1967-11-01), Austin et al.
patent: 3376883 (1968-04-01), Douty et al.
patent: 3605783 (1971-09-01), Pecker et al.
Honor Robert S.
Jewell Walter F.
Nilson Robert G.
Sandoz Ltd.
Sharkin Gerald D.
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