Liquid metering and blending means

Dispensing – Automatic control – Delivery from source controlled by quantity in discharging...

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Details

1375991, 2221292, B67D 556

Patent

active

041605128

ABSTRACT:
An automatic, intermittently operable proportional mixing attachment for non-carbonated beverage dispensing machines having holding tanks in which beverages, reconstituted from proportional volumes of water and liquid concentrate, are stored; said attachment including an aspirator, a water delivery structure for the aspirator and connected with a pressurized water service system, a liquid beverage concentrate delivery structure for the aspirator and connected with a static supply of liquid beverage concentrate, a beverage delivery structure extending from the aspirator to the beverage holding tank of a related dispensing machine, a normally closed solenoid operated on and off valve in the water delivery structure and a float actuated control switch for the on and off valve arranged with its float in the beverage in the holding tank and operated to open the on and off valve when the level of beverage in the tank drops below a predetermined minimum level; and a bypass to adjust the minus pressure established in the aspirator and the resulting volume of concentrate delivered into the aspirator and including a bypass between the upstream and downstream ends of the aspirator and a manually adjustable metering valve in said bypass.

REFERENCES:
patent: 2830743 (1958-04-01), Rimsha et al.
patent: 2965268 (1960-12-01), Bauerlein
patent: 3857409 (1974-12-01), Aubrey et al.
patent: 4042151 (1977-08-01), Uttech

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