Method for using high pressure refrigerant for leak checking...

Details Method for using high pressure refrigerant for leak checking... Method for using high pressure refrigerant for leak checking...

2011-05-10

2011-05-10

Ali, Mohammad M (Department: 3784)

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

C062S126000, C062S149000

Reexamination Certificate

active

07937957

ABSTRACT:
A method for using refrigerant to check for a leak in a refrigerant system is provided that establishing fluid communication between a refrigerant recovery unit and a refrigerant system. The refrigerant recovery unit passes a refrigerant through the refrigerant recovery unit, compresses the refrigerant utilizing the refrigerant recovery unit, and transfers the compressed refrigerant from the refrigerant recovery unit directly into the refrigerant system. Additional refrigerant is added into the refrigerant system until a desired system pressure is reached, and then the refrigerant system is checked for leaks.

REFERENCES:
patent: 5172562 (1992-12-01), Manz et al.
patent: 5720184 (1998-02-01), Olsen
patent: 5761924 (1998-06-01), Peckjian
patent: 6134896 (2000-10-01), Brown et al.
patent: 6170541 (2001-01-01), Sanhaji
patent: 6338255 (2002-01-01), Richard et al.
patent: 6742384 (2004-06-01), Avila

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