Refrigeration – Processes – Accumulating holdover ice in situ
Patent
1989-06-07
1990-10-23
King, Lloyd L.
Refrigeration
Processes
Accumulating holdover ice in situ
62201, 62434, 62526, F25D 300
Patent
active
049642790
ABSTRACT:
The present invention provides a cooling system with supplemental thermal storage. The cooling system comprises a compressor, an evaporative condenser, a thermal storage unit, and an evaporator. During normal outdoor temperatures when building cooling is desired, the compressor output is connected to the evaporative condenser which in turn is connected to the evaporator coil. During periods of time when the building is not occupied, the evaporator coil is removed from the cooling circuit and the working fluid passing through coils in the thermal storage unit acts to freeze liquid surrounding the coils within the thermal storage unit tank. During unusually warm outdoor temperatures, when additional building cooling is required, the compressor output is connected to the evaporative condenser which in turn is connected to the thermal storage unit which output is in turn connected to the evaporative coil. During such operation, additionally chilled working fluid is provided to the evaporator coil due to the working fluid passing through the coils of the thermal storage unit and thereby being further chilled due to the frozen liquid surrounding the coils in the thermal storage unit.
REFERENCES:
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patent: 1782651 (1930-11-01), Hoffman
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patent: 2460623 (1949-02-01), Zoppola
patent: 2712732 (1955-07-01), McGraw
patent: 2718122 (1955-09-01), Grimshaw
patent: 4637219 (1987-01-01), Grose
patent: 4741178 (1988-05-01), Fujiu et al.
Baltimore Aircoil Company
Bouton Charles E.
Brosius Edward J.
King Lloyd L.
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