Refrigeration purging system

Details Refrigeration purging system Refrigeration purging system

1980-04-28

1981-12-08

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

62 85, 62475, F25B 4304

Patent

active

043041027

ABSTRACT:
A refrigeration purging system for the removal of non-condensible gases such as air and condensible contaminants such as water is disclosed. A portion of the refrigerant in the refrigeration system is placed in a first purge chamber which condenses the refrigerant and condensible contaminants such as water leaving non-condensibles such as air and a small portion of the refrigerant at the top of the chamber. The non-condensibles and remaining refrigerant is extracted from the first chamber pumped to a higher pressure and passed to a second purged chamber wherein the remaining refrigerant is condensed and returned to the first purged chamber. The non-condensible gases remaining are released to the atmosphere. The condensible contaminants are extracted from the first purged chamber and the condensed refrigerant is returned to the refrigeration system. A control system for regulating the operation of the pump in relation to the amount of non-condensible gases in the first purged chamber is disclosed together with means to control the flow of condensed refrigerant between the two purged chambers.

REFERENCES:
patent: 3145544 (1964-08-01), Weller
patent: 4169356 (1979-10-01), Kingham

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