Gas and liquid contact apparatus – With external supply or removal of heat – Refrigeration producer
Patent
1989-06-28
1990-08-21
Miles, Tim
Gas and liquid contact apparatus
With external supply or removal of heat
Refrigeration producer
261DIG7, 261122, 261 59, 261 60, B01F 304
Patent
active
049504312
ABSTRACT:
A motorless batch carbonator for a carbonated drink dispenser is located in a chilled water bath including a set of evaporator coils located on the outside of the water bath with the ice build up on the inside thereof being controlled by an ice bank detector. The carbonator is comprised of an immersible closed tank including a semi-permeable membrane carbonating section where still water and CO.sup.2 gas are mixed together. Still water from a pressurized source is fed into the interior of the carbonator tank which is pressurized to operate a spring-biased spool valve for opening and closing a CO.sup.2 supply line. A vent passage through the top of the carbonator chamber is opened and closed to atmospheric pressure in response to the manual actuation of a spring-biased dispensing plunger which includes a fluid dispensing path. A constrained spherical float device resides on the surface of the carbonated water inside of the tank and to open and close the vent passage and thus control tank pressurization and operation of the spool valve controlling the supply of CO.sup.2.
REFERENCES:
patent: 3256802 (1966-06-01), Karr
patent: 3337197 (1967-08-01), Iannelli
patent: 3578295 (1971-05-01), Hudson
patent: 3765318 (1973-10-01), Mazza
patent: 3851797 (1974-12-01), Jacobs
patent: 4018077 (1977-04-01), Leach
patent: 4393660 (1983-07-01), Kleiner et al.
patent: 4764315 (1988-08-01), Brusa
patent: 4781889 (1988-11-01), Fukasawa et al.
American Heritage Dictionary, 2nd College Ed., Apr. 1982, p. 784.
PCT/GB83/00202, Published Mar. 1, 1984, Published International Application.
Kirschner Jonathan
Rudick Arthur G.
Miles Tim
The Coca-Cola Company
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