![]() ![]() Pursuant to this international mandate, future production of all currently used refrigerants are to be drastically cut by the end of the century. The United States, as have several other countries, has become a signatory of the "Montreal Protocol on Substances that Deplete the Ozone Layer," which restricts future production of fully halogenated chlorofluorocarbons. ![]() Recent developments have, however, created a demand for systems capable of storing refrigerant while at the same time purifying the contaminated refrigerant. When refrigeration systems were being repaired or when the refrigerant, such as those sold under the brand name FREON, was contaminated sufficiently to affect the effectiveness of refrigeration, the refrigerant was vented into the atmosphere. In the past, little attention was paid to the storage or recycling of refrigerant. The air purge system is not limited to use with a refrigerant reclaim, and is suitable for use with any refrigeration handling system from which noncondensable gases are to be purged with minimal loss of refrigerant vapor. 5,072,593 of Van Steenburgh, Jr.Īn improvement to the reclaim apparatus and method relates to the incorporation therein of an automatic air purge system having an evaporator to concentrate noncondensable gases in an isolated area of the refrigerant reclaim system so as to minimize the loss of refrigerant vapor during purge operations. of Van Steenburgh, Jr., and the reclaim method is described in U.S. A basic reclaim apparatus is described in co-pending application Ser. The refrigerant reclaim system is a method and apparatus for removing refrigerant from a refrigeration system, confining it so as to avoid its escape to the atmosphere, separating contaminants from the refrigerant and returning the refrigerant to the refrigeration system or discharging it to a storage container. The specific kind of refrigerant handling system discussed herein is a refrigerant reclaim system. This invention relates most generally to refrigerant handling systems having an automatic air purge. ![]()
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