Patent ID: 6631625
Filing Date: 2003-10-14
Classification: C09K,F25B

Abstract:
A refrigeration heat exchanger section useful in circulating a non-hydrochlorofluorocarbon refrigerant mixture which comprises: a compressor means, an auxiliary condenser connected to said compressor means, a liquid/gas separator connected to said auxiliary condenser, a first condenser connected to said liquid/gas separator, a second condenser connected to said first condenser, a third condenser connected to said second condenser, and a subcooler means connected to said third condenser, wherein the improvement is characterized by:a means for distributing a subcooled non-hydrochlorofluorocarbon refrigerant liquid mixture from said liquid/gas separator to a first expansion means and a second expansion means for forming first and second expanded streams, respectively; a first conduit means for returning said first expanded stream to said auxiliary condenser and said compressor; and a second conduit means for delivering said second expanded stream to said first condenser.