| 摘要 |
A closed cycle refrigeration system in conjunction with specific mixed or multiple component refrigerant fluids to produce temperatures in the range of 230° K to 70° K. The mixed component refrigerant can be blended from flammable or a non-flammable fluid components based upon the arrangement of the refrigeration equipment and the overall performance requirements for the system. A compressor, an after cooler, an oil separator, filter/dryer, heat exchanger, a throttle device with fixed orifice and an evaporator are arranged in a manner to improve system performance with refrigeration of the present invention or prior art refrigerants. Replaceable additional modules for oil filtration and moisture filtration can be part of the system.
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