Automatic feeder for infusion of a soluble solid solute into a c

Details Automatic feeder for infusion of a soluble solid solute into a c Automatic feeder for infusion of a soluble solid solute into a c

1972-09-12

1976-03-30

Tollberg, Stanley H.

Dispensing

Automatic control

Material level control

23267A, B67d 508

Patent

active

039469026

ABSTRACT:
An automatic feeder for infusing solid solutes into liquid solvents at an adjustable, predetermined, controlled rate to maintain an adjustable, predetermined, controlled concentration of solute in a solvent reservoir, the feeder including means for adjustably controlling the rate of infusion of solute into a circulating, solvent stream within a chamber by controlling the quantity of solvent in the chamber as well as surface area of solute immersed in the solvent, means for feeding solute into the solvent in the chamber in a programmed fashion over a relatively long period of time without attendance, means for preventing accidental syphoning of all of the solvent from the feeder, and means for automatically breaking contact between the solute and the solvent in the feeder during periods of dissolution; the feeder comprising a housing having solvent inlet and outlet ports, a float valve for adjustably controlling the level of solvent circulating in the housing; and an anti-syphoning device on the float valve to prevent total discharge of solvent from the feeder and a solid, solute supply canister mounted on the housing extending into the solvent therein, the canister having a narrowed neck at the bottom to release tablets of solid solute after a predetermined degree of dissolution.

REFERENCES:
patent: 3107156 (1963-10-01), Fredericks
patent: 3112046 (1963-11-01), Szekely
patent: 3507624 (1970-04-01), Schneider, Jr. et al.
patent: 3578776 (1971-05-01), Schneider, Jr. et al.
patent: 3598536 (1971-08-01), Christensen

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