Method of introducing refrigerants into refrigeration systems
AssigneeHoneywell International Inc.
InventorsRaymond Hilton Percival Thomas, Roy Phillip Robinson, Rajiv Ratna Singh, David Paul Wilson
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Abstract
Provided are methods of introducing environmentally desirable refrigerants into refrigeration systems. The present methods involve recharging a refrigerant system that contains a chlorine-containing refrigerant and a lubricant comprising the steps of (a) removing the chlorine-containing refrigerant from the refrigeration system while retaining a substantial portion of the lubricant in said system; and (b) introducing to said system a composition comprising: (i) a refrigerant; (ii) a surfactant; and (iii) a solubilizing agent.
Claims17
A method of recharging a refrigeration system of the type containing a chlorine-containing refrigerant and a lubricant, comprising the steps of:
- (a) removing said chlorine-containing refrigerant from said refrigeration system while leaving a substantial portion of said lubricant in said system;
- and
- (b) introducing to said lubricant left in said system a composition comprising:
- (i) a non-chlorine-containing refrigerant;
- (ii) a surfactant;
- and
- (iii) a solubilizing agent.
Dependencies are inferred from the claim text.