Refrigerant recovery device

Details Refrigerant recovery device Refrigerant recovery device

1988-02-12

1988-10-11

Talpolcai, William E.

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

62292, 261 81, 261 94, 261DIG72, F25B 4500

Patent

active

047761741

ABSTRACT:
A refrigerant recovery device comprises a pressure vessel filled with packings, such as Berl saddles, that provide a large surface area for mass transfer. The vessel is partly filled with a refrigeration-quality oil. The pressure vessel is mounted on a stand and pivoted so that it can easily be inverted periodically for coating the packing material with the oil. A flexible hose connects the vessel with a refrigeration or air conditioning unit, and a shut off valve is provided as is a check valve which prevents out flow of oil from the vessel. The oil in the vessel absorbs the refrigerant, and causes its partial pressure in the vessel to be reduced, so that refrigerant vapor flows from the refrigeration or air conditioning unit into the vessel. After the refrigerant has been absorbed, the valve can be closed, and the vessel returned to a central site for reclamation.

REFERENCES:
patent: 2341430 (1944-02-01), Elsey
patent: 3155472 (1962-11-01), Huppke
patent: 3225554 (1965-12-01), Alexander
patent: 3443392 (1969-05-01), Alexander
patent: 3503221 (1970-03-01), Martin
patent: 4178765 (1979-12-01), Slayton
patent: 4431521 (1984-02-01), Roartz et al.
patent: 4637881 (1987-01-01), Scinto

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