REFRIGERATING DEVICE

PROBLEM TO BE SOLVED: To provide a refrigerating device using a refrigerant, such as carbon dioxide, the refrigerant device being capable of sending a sufficient amount of a liquid refrigerant to an expansion means for expanding the refrigerant flowing into an evaporator.SOLUTION: In a refrigerating...

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Bibliographische Detailangaben
Hauptverfasser:	OKAMURA JUNJI, TANAKA TSUTOMU, TODOROKI ATSUSHI
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:	PROBLEM TO BE SOLVED: To provide a refrigerating device using a refrigerant, such as carbon dioxide, the refrigerant device being capable of sending a sufficient amount of a liquid refrigerant to an expansion means for expanding the refrigerant flowing into an evaporator.SOLUTION: In a refrigerating device R, a refrigerant circuit 1 is comprised of a compressor 11, a gas cooler 28, a main expansion means 46A and an evaporator 47A, and a high-pressure side has a supercritical pressure. A high-pressure refrigerant issued from a gas cooler is expanded, decreasing its pressure to an intermediate pressure, and is separated into a saturated liquid refrigerant and a gas refrigerant. Then, the gas refrigerant is expanded for exchanging heat with the saturated liquid refrigerant, the saturated liquid refrigerant is supplied to the main expansion means and the gas refrigerant is returned to the compressor.