Refrigeration – Processes – Compressing – condensing and evaporating
Patent
1995-11-17
1997-10-07
Wayner, William E.
Refrigeration
Processes
Compressing, condensing and evaporating
621964, 622386, F25B 4100, F25B 2700
Patent
active
056735677
ABSTRACT:
A refrigeration system with heat reclaim and a method of operation to reclaim and put to use substantially all of the heat extracted from the compressor discharge gas. A valve connects the discharge of the compressors to either a remote air-cooled condenser which is located outside a building or to at least one heat reclaim coil located inside the building so that the heat in the hot gas is recovered and used to assist in the heating of a building. The heat reclaim coil could be incorporated in a heat exchanger to heat liquid such as to provide hot water. A pressure control device monitors the pressure in the refrigerant at an outlet of the heat reclaim coil and controls the pressure by directing the refrigerant from the outlet of the reclaim coil through valves whereby to reintroduce the liquid in the system to feed the evaporators or to bypass the refrigerant into the remote air-cooled condenser to drop the pressure thereof prior to reintroducing it into the system.
REFERENCES:
patent: 4286437 (1981-09-01), Abraham et al.
patent: 4437317 (1984-03-01), Ibrahim
Dube Serge
Wayner William E.
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