Proportioner

Details Proportioner Proportioner

1983-12-20

1986-04-08

Rolla, Joseph J.

Dispensing

Automatic control

Material level control

222638, 2221293, 222135, 222145, 222309, 137208, 137256, B67D 508

Patent

active

045806993

ABSTRACT:
A proportioning system for creating admixture from diluent and concentrate comprises accumulators which are alternatively repetitively recharged so that one is always on-line. Recharging is controlled by a fluid system including a piston assembly for injecting a measured charge of concentrate into an accumulator being recharged. Diluent is introduced by opening and closing a valve from the diluent supply with the recharging being activated and terminated by level sensing switches associated with the accumulators. Electrical control circuitry and a stroke adjustment mechanism for the piston assembly are also disclosed.

REFERENCES:
patent: 3052379 (1962-09-01), Raspante
patent: 3486297 (1969-12-01), Eisinga et al.
patent: 3799402 (1974-03-01), Meister et al.
patent: 4213544 (1980-07-01), Pandolfi
patent: 4284210 (1981-08-01), Horak
patent: 4320775 (1982-03-01), Stirling et al.

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