Refrigeration device

This refrigeration device has a refrigerant circuit, injection circuit, inlet temperature sensor, outlet temperature sensor, and control device that controls operations of the refrigerant circuit. The control device is provided with: an evaluation value calculation unit that calculates an evaluation...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Hiroshi Sata, Abastari, Kohei Ueda
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	This refrigeration device has a refrigerant circuit, injection circuit, inlet temperature sensor, outlet temperature sensor, and control device that controls operations of the refrigerant circuit. The control device is provided with: an evaluation value calculation unit that calculates an evaluation value on the basis of an inlet temperature detected by the inlet temperature sensor, and an outlet temperature detected by the outlet temperature sensor, said evaluation value indicating performance of a supercooling heat exchanger; and a refrigerant quantity determining unit that determines whether a refrigerant quantity is deficient on the basis of the evaluation value calculated by the evaluation value calculation unit.