Refrigerating apparatus with superheat control

Refrigeration – Automatic control – Refrigeration producer

Patent

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Details

62225, 62324, 62503, F25B 1300

Patent

active

039383490

ABSTRACT:
An improved refrigeration system including a pilot heat exchanger so mounted as to bypass an accumulator and in which heat exchange takes place between a portion of low pressure refrigerant and refrigerant under high pressure so as to superheat the low pressure refrigerant, said heated refrigerant thereafter being returned to the compressor. The amount of superheating is sensed to control the expansion valve opening.

REFERENCES:
patent: 3552140 (1971-01-01), Palmer
patent: 3779031 (1973-12-01), Akiyama et al.

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