Refrigeration – Processes – Separating or preventing formation of undesirables
Patent
1988-06-23
1989-12-19
Bennett, Henry A.
Refrigeration
Processes
Separating or preventing formation of undesirables
62292, 62299, 62475, F25B 4700
Patent
active
048874353
ABSTRACT:
A portable refrigeration system and process for flushing and cleaning an installed refrigeration system includng disconnecting the compressor from the installed system and connecting the disconnected lines to a portable refrigeration system including a compressor, a condenser, a receiver, an evaporator, a filter, and a dehydrator so as to form a closed circuit of the installed system and the portable system; operating the portable system to flush refrigerant through the installed system alternately as a liquid and as a gas, and alternately in the normal and reverse directions of flow; passing the flushing refrigerant through a filter for removing particulate matter and through a dehydrator for removing aqueous contaminants; and returning the installed system to its separate operating circuit when all parts and when the refrigerant is judged to be cleaned.
REFERENCES:
patent: 3091945 (1963-06-01), Morse
patent: 4476688 (1984-10-01), Goddard
Bennett Henry A.
Sollecito John
Tyner Earl L.
Yeager Arthur G.
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