| 摘要 |
<p>A refrigerating cycle capable of preventing vibration and noise from occurring at the time of opening and closing of a valve and increasing the stability of control in all load areas to be used, comprising a compressor for force-feeding refrigerant, a radiator for radiating heat from refrigerant compressed by the compressor, a high-pressure control valve (10) to regulate a pressure in a high-pressure line, decompress the refrigerant, and flow the refrigerant to a low pressure line, an evaporator for evaporating the refrigerant decompressed by the high-pressure control valve, a relief valve (11) for relieving the refrigerant from the high-pressure line to the low-pressure line when the high-pressure line is pressurized to a pressure beyond a set pressure, and a total closing prevention means for preventing both the high-pressure control valve (10) and the relief valve (11) from being totally enclosed.</p> |
