Refrigeration – Processes – Separating or preventing formation of undesirables
Patent
1985-10-22
1987-03-03
Capossela, Ronald C.
Refrigeration
Processes
Separating or preventing formation of undesirables
62149, 62292, 62475, 62503, F25B 4700
Patent
active
046465278
ABSTRACT:
A refrigerant recovery and purification system is disclosed for recovering refrigerant from a heat pump, air conditioner, or other vapor compression refrigerant system into a storage tank while concurrently purifying the recovered refrigerant of impurities and contaminates. The refrigerant recovery and purification system comprises a pair of accumulators connected in line between the compressor and the refrigerant system being evacuated. The output of the compressor is then connected to a heat exchanger positioned within each of the accumulators. The output of the heat exchangers are then connected to a condenser. The accumulators, having the heat exchangers positioned therein, function to distill the refrigerant flowing therethrough to separate the oil, together with the impurities and contaminates normally contained in the refrigerant, thereby purifying the refrigerant being evacuated.
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