REFRIGERATING DEVICE

PROBLEM TO BE SOLVED: To enable liquid injection while suppressing increase in manufacturing cost and to prevent excessive rise in the temperature of delivery gas in a refrigerant circuit equipped with a gas injection passage. SOLUTION: The refrigerating device is equipped with the gas injection pas...

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Bibliographische Detailangaben
Hauptverfasser:	ARII KEIJI, SAKAE SATORU, TOKUNO MAKOTO
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 enable liquid injection while suppressing increase in manufacturing cost and to prevent excessive rise in the temperature of delivery gas in a refrigerant circuit equipped with a gas injection passage. SOLUTION: The refrigerating device is equipped with the gas injection passage (30) comprising: a branched passage (26) branching from a high pressure liquid line (25) and having a decompressive control valve (18); a refrigerant vaporization mechanism (17) for communicating with the branched passage (26) and vaporizing a decompressed refrigerant; and a gas intake passage (27) communicated from the refrigerant vaporization mechanism (17) to an intake line (22) of a compression mechanism (14). In the refrigerating device, a liquid intake passage (31) is provided bypassing the branched passage (26) to the refrigerant vaporization mechanism (17) and communicating with the intake line (22) of the compression mechanism (14). The liquid injection passage (32) is composed by the branched passage (26) and the liquid intake passage (31). COPYRIGHT: (C)2007,JPO&INPIT