Refrigeration – Air compressor – cooler and expander type – Motor-type expander
Patent
1995-05-12
1996-01-16
Kilner, Christopher
Refrigeration
Air compressor, cooler and expander type
Motor-type expander
62 40, F25D 900
Patent
active
054838061
ABSTRACT:
A refrigeration system using air as the refrigerant comprises a compressor which compresses air to 84 bar g. The compressed air is cooled first by cooling water and then by returning air in a plate-fin heat exchanger before being expanded to 59 bar g in an expander. The expanded air at -61.degree. C. is passed through indirect cooling coils in a cold store which it leaves at -45.degree. C. This air is then passed through the plate-fin heat exchanger before being recycled to the compressor. The refrigeration delivered is about 1.05 kw refrigeration/kw power input.
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Fundamentals and History of Air Cycle Refrigeration, Proc.-Food Refrigeration and Process Engineering Research Center, 9 Nov. 1993, Langford, United Kingdom.
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Allam Rodney J.
Miller Jeremy P.
Smith Colin D.
Topham Anthony K. J.
Jones II Willard
Kilner Christopher
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