Dispensing – Automatic control – Material level control
Patent
1974-12-27
1976-09-07
Tollberg, Stanley H.
Dispensing
Automatic control
Material level control
2221291, 222146C, 62396, 137574, B67D 562
Patent
active
039790240
ABSTRACT:
Improved liquid ingredient temperature control apparatus is provided for use with post-mix beverage vending machines which ensures that the beverage ingredients dispensed are maintained at desirable cool temperatures notwithstanding continual or intermittent supply replenishment of the ingredients with quantities thereof initially at ambient temperature. Removable, apertured tank partitions are employed for dividing the ingredient tanks into separate upper and lower zones in restricted partial communication so that any warm ingredients added to the upper zones thereof are prevented from freely admixing with the cool ingredients within the lower zones and thus raising the temperature of the latter. Liquid removal conduits in communication with the lower tank zones are operable to selectively draw volumes of cooled ingredients therefrom as required, thus permitting like volumes of the warm ingredients thereabove to migrate to the lower zones through the apertured tank partitions. In the preferred form, an open-top, water receiving overflow cup is provided for initially receiving water introduced into the upper zone of the water tank.
REFERENCES:
patent: 1391075 (1921-09-01), Phillippi
patent: 2982114 (1961-05-01), Cobb et al.
patent: 3266672 (1966-08-01), Dean
patent: 3347421 (1967-10-01), Yingst et al.
patent: 3721369 (1973-03-01), Conti
patent: 3731845 (1973-05-01), Booth
Handren Frederick R.
The Vendo Company
Tollberg Stanley H.
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