Refrigerating cycle apparatus

Details Refrigerating cycle apparatus Refrigerating cycle apparatus

1997-11-26

1999-06-08

Bennett, Henry

Refrigeration

Automatic control

Time or program actuator

62117, 62199, 62226, 62430, G05D 2332

Patent

active

059101598

ABSTRACT:
A refrigerating cycle apparatus for averting shortages of its refrigerant in a refrigerating cycle and of oil reflux regardless of fluctuations in the progress of freezing in a cold accumulating material. In operation, two solenoid valves are opened and a compressor is activated. The activated compressor causes stagnant refrigerant inside a cold accumulating evaporator to be collected into a receiver. Thereafter, one solenoid valve is closed to let the refrigerant flow only to the cold accumulating evaporator. This makes it possible to circumvent shortages of the refrigerant in the refrigerating cycle and of oil reflux irrespective of varying progress in the freezing status of the cold accumulating material.

REFERENCES:
patent: 4918936 (1990-04-01), Sakamoto
patent: 5333469 (1994-08-01), Hullar et al.
patent: 5465591 (1995-11-01), Cur et al.

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