Multiple barrel frozen product dispenser

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20080006050A1





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A frozen product dispenser is characterized by at least two product freeze barrels for receiving product therein and for freezing the product for dispensing, and a refrigeration system for chilling the at least two barrels. The refrigeration system has at least two evaporators for and heat transfer coupled to each barrel, separate and controllable expansion valves each having an outlet coupled to an inlet to an inlet to an associated one of the evaporators, at least two compressors having outlets coupled to inlets to the expansion valves and inlets coupled to outlets from the evaporators, and at least one condenser in fluid circuit between outlets from the compressors and inlets to the expansion valves. The refrigeration system is controllable to selectively operate one or more of the compressors and one or more of the expansion valves in accordance with the cooling requirements of the barrels to provide an improved turndown ratio for improvements in efficiency of operation of the refrigeration system in response to changing cooling load requirements of the product barrels.

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Patent Owner(s)

Patent OwnerAddress

International Classification(s)


Inventor Name Address # of filed Patents Total Citations
Billman, Gregory M Hoffman Estates, IL 19 124
Elsom, Kyle B Batavia, IL 28 198
Gist, David B Grayslake, IL 8 48
Kumar, Santhosh Woodridge, IL 19 110
Leaver, Daniel C Westmont, IL 29 447
Popov, Nikolay Warrenville, IL 18 111

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