Liquid additive dispenser

Details Liquid additive dispenser Liquid additive dispenser

1973-04-05

1976-08-17

Cline, William R.

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

1375645, G05D 1102

Patent

active

039748472

ABSTRACT:
An apparatus for dispensing liquid additives wherein a solution of concentrate is displaced from a closed container thereof and discharged into a flow line of liquid moving under pressure, said displacement being effected by differential positive and negative upstream and downstream pressure ports in said flow line and controlled by means of a selected restrictor of porous material having a determinable density that functions according to said differential in pressure to fix the flow rate of displacement liquid, said concentrate being displaced and discharged thereby at a determinable rate through the negative pressure port.

REFERENCES:
patent: 2618510 (1952-11-01), Mills
patent: 2815889 (1957-12-01), Stetz
patent: 3021862 (1962-02-01), Miller
patent: 3060956 (1962-10-01), Menzie
patent: 3166096 (1965-01-01), Lang
patent: 3187769 (1965-06-01), McDowell et al.
patent: 3194444 (1965-07-01), Hubert
patent: 3295563 (1967-01-01), Laya et al.
patent: 3315844 (1967-04-01), Klasson et al.
patent: 3556141 (1971-01-01), Hind
patent: 3720230 (1973-03-01), Miller et al.

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