Refrigeration – Automatic control – Preventing – removing or handling atmospheric condensate
Reexamination Certificate
2006-03-21
2006-03-21
Norman, Marc (Department: 3744)
Refrigeration
Automatic control
Preventing, removing or handling atmospheric condensate
C062S279000, C062S305000, C062S506000, C062S513000
Reexamination Certificate
active
07013658
ABSTRACT:
Refrigerant is circulated through a vapor compression system including a compressor, a condenser, an expansion device, and an evaporator. Cold condensate forms on the evaporator surfaces as the refrigerant accepts heat from an air stream. The cold condensate drips down from the evaporator coil and collects in a condensate pan. In one example, the cold condensate is directed into a condensate heat exchanger to subcool the refrigerant exiting the condenser. In another example, the refrigerant exiting the condenser flows through a refrigerant line located in the condensate pan. In another example, the cold condensate is sprayed on the refrigerant line exiting the condenser or on the subcooling portion of the condenser. By utilizing the condensate for further subcooling of the refrigerant, system capacity and efficiency are enhanced. Various control techniques and condensate flow methods are also disclosed.
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Dobmeier Thomas J.
Lifson Alexander
Taras Michael F.
Carlson & Gaskey & Olds
Carrier Corporation
Norman Marc
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