REFRIGERATING CYCLE DEVICE

PROBLEM TO BE SOLVED: To provide a refrigerating cycle device improved in performance and reliability, which positively supplying refrigerating machine oil to each of a first compressor and a second compressor. SOLUTION: The refrigerating cycle device using an expansion machine 5a and the second com...

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Bibliographische Detailangaben
Hauptverfasser:	OKAZAKI TAKASHI, HATOMURA SUGURU
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 cycle device improved in performance and reliability, which positively supplying refrigerating machine oil to each of a first compressor and a second compressor. SOLUTION: The refrigerating cycle device using an expansion machine 5a and the second compressor 5b driven by recovered power of the expansion machine 5a is provided with an oil separator 60 at an outlet part of the first compressor 1. The refrigerating cycle device has a structure for returning the separated oil to a suction part of the second compressor 5b to positively supply the oil to the second compressor 5b, and reduces an oil circulating rate inside a refrigerating cycle. COPYRIGHT: (C)2009,JPO&INPIT