Apparatus and method for recovering volatile refrigerants

Details Apparatus and method for recovering volatile refrigerants Apparatus and method for recovering volatile refrigerants

1998-09-03

2000-11-07

Doerrler, William

Refrigeration

Automatic control

Withdrawing or adding refrigerant from or to normally closed...

62125, 62292, F25B 4500

Patent

active

06141977&

ABSTRACT:
A self-contained refrigerant recovery device for recovering refrigerant from a transfer vessel into a storage reservoir, comprising, in a single enclosure a qualitative analyzer for determining a quality of a refrigerant in the transfer vessel; a quantitative analyzer for determining a quantity of refrigerant in the transfer vessel; a refrigerant extractor for withdrawing refrigerant from the transfer vessel into a storage reservoir; an accounting system for determining a value of refrigerant in the transfer vessel based on the qualitative analysis and the quantitative analysis; and an output for outputting said value. The system preferably has a plurality of storage reservoirs, the refrigerant being withdrawn from the transfer vessel into one of said plurality of storage reservoirs based on said qualitative analysis. In operation, a single connection between the transfer vessel and the recovery device is sufficient.

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patent: 5647961 (1997-07-01), Lofland
patent: 5758506 (1998-06-01), Hancock et al.
patent: 5802859 (1998-09-01), Zugibe
patent: 5875638 (1999-03-01), Tinsler

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