Method and apparatus for reduction of refrigerant gases escaping

Details Method and apparatus for reduction of refrigerant gases escaping Method and apparatus for reduction of refrigerant gases escaping

1994-10-20

1996-01-09

Sollecito, John M.

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

62126, 62129, 62174, 165 71, F25B 4500

Patent

active

054818834

ABSTRACT:
A refrigerant purging and storage system is provided operative, responsive to the operating pressure of refrigerant gas within the suction line dropping to a predetermined low pressure below the range of normal operating pressure of that suction line, to pump refrigerant gas from a closed-loop refrigerant circuit into a closed storage vessel, for a predetermined time period, only, and to prevent backflow of refrigerant gas from said storage vessel into said circuit.

REFERENCES:
patent: 2893217 (1959-07-01), Nigro
patent: 3232070 (1966-02-01), Sparano
patent: 4539817 (1985-09-01), Staggs et al.
patent: 4644755 (1987-02-01), Esslinger et al.
patent: 4646527 (1987-03-01), Taylor
patent: 4711096 (1987-12-01), Krantz
patent: 4766733 (1988-08-01), Scuderi
patent: 4768347 (1988-09-01), Manz
patent: 4939905 (1990-07-01), Manz
patent: 5333468 (1994-08-01), Rice
patent: 5398516 (1995-03-01), Kuribara

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