FREEZING APPARATUS

A refrigeration apparatus includes a refrigerant circuit (20) switchable between a first operation of performing a refrigeration cycle in which a first compressor (21) is stopped and a second compressor (22) is driven and a second operation of performing a refrigeration cycle in which the first and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OHNO, Masao, HISAYAMA, Kazushi, OKAMOTO, Tetsuya, CHEN, Kebi, UKIBUNE, Masanori
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A refrigeration apparatus includes a refrigerant circuit (20) switchable between a first operation of performing a refrigeration cycle in which a first compressor (21) is stopped and a second compressor (22) is driven and a second operation of performing a refrigeration cycle in which the first and second compressors (21) and (22) are driven. The refrigeration apparatus further includes a reduction mechanism (50) configured to reduce a refrigerant flowing into the first compressor (21) while a first condition is satisfied during the first operation. The first condition indicates that an internal pressure of the first compressor (21) is lower than an evaporation pressure of an evaporator (24, 27).