Refrigeration – With means for charging closed refrigeration producing system
Patent
1992-08-03
1993-09-21
Sollecito, John M.
Refrigeration
With means for charging closed refrigeration producing system
62475, F25B 4500
Patent
active
052458393
ABSTRACT:
An adsorption-type refrigerant recovery apparatus for a refrigeration and air conditioning system that has a connection unit, a refrigerant flow direction control device, a refrigerant adsorbing/desorbing device, a refrigerant/lubricant separating device, a condensation heat exchanging device, a drying/purging device, and a refrigerant reservoir. When the refrigerant enters the connection unit from the refrigeration and air conditioning system, the flow direction control device controls the refrigerant flowing through the adsorbing/desorbing device so that the refrigerant absorbs part of the heat energy of the adsorbent and is thus vaporized. The vaporized refrigerant then enters the refrigerant/lubricant separating device to separate the lubricant therein. The flow direction control device further controls the refrigerant entering the adsorbent container to allow the adsorbent to adsorb the refrigerant. When the adsorbent is saturated, the adsorbent is heated to desorb the refrigerant in a gaseous state. The flow direction control device then directs the refrigerant gas to enter the condensation heat exchanging device so that the refrigerant gas is condensed to a liquid. Finally, the drying/purging device dries and purifies the refrigerant liquid, and emits the non-condensable gas before the refrigerant liquid enters the refrigerant reservoir for storage.
REFERENCES:
patent: 4441330 (1984-04-01), Lower et al.
patent: 5161385 (1992-11-01), Schumacher
Chang Michael C. H.
Hu Yie Z. R.
Mei Viung C.
Yang Chung Y.
Bednarek Michael D.
Industrial Technology Research Institute
Sollecito John M.
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