Refrigerant recovery unit with pure system

Details Refrigerant recovery unit with pure system Refrigerant recovery unit with pure system

1991-11-05

1993-01-26

Sollecito, John

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

62292, 62303, 62475, 62 85, F25B 4500

Patent

active

051813882

ABSTRACT:
A refrigerant recovery apparatus has a feature for purging an air conditioning system component for cleaning. The air conditioning component will be connected into the recovery unit at a point where it will receive liquid refrigerant from the recovery unit. This liquid refrigerant comes from the storage container, with pressure being maintained by the use of the compressor. The air conditioning component connects to a purge container, which is separate from the storage container. The purge container has an outlet leading to an expansion valve for converting the purged refrigerant into a vapor. The vapor refrigerant leads back to a suction end of the recovery unit.

REFERENCES:
patent: 4476688 (1984-10-01), Goddard
patent: 5036675 (1991-08-01), Anderson, Jr.
patent: 5040382 (1991-08-01), Abraham
patent: 5117641 (1992-06-01), Keltner

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