NON-HCFC REFRIGERANT MIXTURE FOR AN ULTRA-LOW TEMPERATURE REFRIGERATION SYSTEM

European Patent Office Patent

APP PUB NO EP-1565538-A1
SERIAL NO

03790023

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Abstract

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Methods and apparatus for a refrigeration heat exchanger section useful in circulating a substantially non-HCFC refrigerant mixture which comprises: a compressor means, an auxiliary condenser, a first condenser, a second condenser, a third condenser, a subcooler and a liquid/gas separator, wherein a subcooled refrigerant liquid mixture taken as bottoms from the liquid/gas separator is distributed and expanded by a first expansion means and a second expansion means to form first and second expanded streams, respectively, such that the first expanded stream is returned to the auxiliary condenser and compressor in order to avoid overheating of the compressor.

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Patent Owner(s)

Patent OwnerAddress
KENDRO LAB PROD LPUS

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Inventor(s)

Inventor Name Address
WENG CHUAN MANSFIELD MA 02048

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