Vending machine improvement
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 22, 2011
Grant Date -
Jun 18, 2009
app pub date -
Dec 12, 2007
filing date -
Dec 12, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vending machine system includes a control module for controlling a cooling system. The cooling system, which includes an evaporator, may omit a heating element for defrosting the evaporator. In operation, the control module cycles an evaporator fan in conjunction with a compressor based on a required set temperature to help keep products within a specified range. In an embodiment, the evaporator fan is turned on and off at substantially the same time as the compressor is turned on and off. In another embodiment, there is a predetermined delay after the compressor is turned on and off before the evaporator is respectively turned on and off. Other variations are contemplated.
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