Refrigeration – Processes – Accumulating holdover ice in situ
Reexamination Certificate
2009-02-06
2010-11-09
Tapolcai, William E (Department: 3744)
Refrigeration
Processes
Accumulating holdover ice in situ
C062S332000, C062S434000
Reexamination Certificate
active
07827807
ABSTRACT:
Disclosed is a method and device to increase the cooling load that can be provided by a refrigerant-based thermal energy storage and cooling system with an improved arrangement of heat exchangers. This load increase is accomplished by circulating cold water surrounding a block of ice, used as the thermal energy storage medium, through a secondary heat exchanger where it condenses refrigerant vapor returning from a load. The refrigerant is then circulated through a primary heat exchanger within the block of ice where it is further cooled and condensed. This system is known as an internal/external melt system because the thermal energy, stored in the form of ice, is melted internally by a primary heat exchanger and externally by circulating cold water from the periphery of the block through a secondary heat exchanger.
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Hicks Robert Scott
Narayanamurthy Ramachandran
Cochran Freund & Young LLC
Ice Energy, Inc.
Tapolcai William E
Thompson Paul M.
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