Method and apparatus for controlling agitation of a cooling fluid bath for a drink dispenser
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United States of America Patent
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Sep 16, 2014
Grant Date -
Feb 25, 2010
app pub date -
Aug 25, 2008
filing date -
Aug 25, 2008
priority date (Note) -
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Abstract
A drink dispenser includes a housing defining a chamber that contains a cooling fluid therein. A refrigeration unit is disposed within the housing. The refrigeration unit includes an evaporator coil extending into the cooling fluid such that a frozen cooling fluid bank forms about the evaporator coil. An agitator is disposed within the housing. The agitator extends into the cooling fluid for circulating the cooling fluid about the frozen cooling fluid bank. Dispensing valves mounted onto the housing dispense drinks from the drink dispenser. An electronic control system is disposed within the housing. The electronic control system is coupled with the agitator such that the electronic control system cycles the agitator between an agitator on period and an agitator off period. Cycling the agitator between an agitator on period and an agitator off period promotes stable growth of the frozen cooling fluid bank.
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