Dispensing – Automatic control – Material level control
Patent
1986-07-24
1988-05-10
Rolla, Joseph J.
Dispensing
Automatic control
Material level control
2221291, 2221466, 222318, 222424, 13710127, 366137, B67D 508, B67D 562
Patent
active
047429399
ABSTRACT:
The recirculating beverage dispenser unit comprises a cooling unit, a carbonation unit, an inlet connection between a source of fresh water and the cooling unit, a fresh water valve and spigot, a delivery conduit coupling the fresh water valve and spigot to the cooling unit, at least one mixing valve and spigot coupled by a conduit to the carbonation unit and coupled by another conduit to a source of pressurized syrup, and a pump and other conduits for circulating carbonated water from and to the at least one mixing valve and spigot to and from the carbonation unit. The carbonation unit is mounted in the cooling unit and has a refrigerant carrying conduit coiled therearound in parallel relationship with a carbonation unit water inlet conduit. A spiral baffle is positioned around the carbonation unit to direct fresh water coming into the cooling unit around the parallel coiled tubings. Syrup carrying tubings extend through and are coiled about an inner surface of the cooling unit. An electric pump is provided at the bottom of the cooling unit for circulating fresh water and for supplying fresh water to the fresh water valve and spigot. A vane pump is coupled to the fresh water delivery conduit and to the carbonated water carrying conduit through a three-way valve assembly which permits recirculation of carbonated water or the supplying of fresh water to be carbonated by a venturi charging unit to the carbonation unit.
REFERENCES:
patent: 3011681 (1961-12-01), Kromer
patent: 3162323 (1964-12-01), Kromer
patent: 3215312 (1965-11-01), Guzzi
patent: 3223388 (1965-12-01), Knox
patent: 3266672 (1966-08-01), Dean
patent: 3731845 (1973-05-01), Booth
patent: 3813010 (1974-05-01), Hassell et al.
patent: 4061271 (1977-12-01), Kimbrough
patent: 4148334 (1979-04-01), Richards
patent: 4304736 (1981-12-01), McMillin et al.
Automation Projects Inc.
Bollinger David H.
Rolla Joseph J.
Vigil Thomas R.
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