Refrigeration – With means preventing or handling atmospheric condensate... – Means utilizing heat developed by refrigeration producer
Reexamination Certificate
2005-04-19
2005-04-19
Jones, Melvin (Department: 3744)
Refrigeration
With means preventing or handling atmospheric condensate...
Means utilizing heat developed by refrigeration producer
C062S278000
Reexamination Certificate
active
06880353
ABSTRACT:
A vapor compression system including a refrigerant circuit having operably coupled thereto, in serial order, a compressor, a first heat exchanger, an expansion device, and a second heat exchanger. A valve is disposed within refrigerant circuit between first heat exchanger and expansion device, and has a first position and a second position. A defrost circuit having operably coupled thereto a third heat exchanger defines an inlet in fluid communication with refrigerant circuit through valve when valve is in second position, and an outlet disposed in refrigerant circuit between inlet and expansion device. A check valve is disposed in defrost circuit between third heat exchanger and outlet. The check valve allows refrigerant to return to refrigerant circuit through outlet and prevents refrigerant from entering third heat exchanger via outlet. The refrigerant flows through third heat exchanger and second heat exchanger when valve is in second position.
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Douglas James L.
Yap Zer Kai
Baker & Daniels
Jones Melvin
Tecumseh Products Company
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