AIR CONDITIONER

In an air conditioning apparatus (1), gas vent control is performed so that gas refrigerant is led from a receiver (25) to the suction side of a compressor (21) via a receiver gas vent pipe (30) by opening a receiver gas vent valve (30a), upstream side expansion valve subcooling control is performed...

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Bibliographische Detailangaben
Hauptverfasser:	YUMOTO, Yoshiaki, KANAZAWA, Yukako, HOSHIKA, Keitarou, SHIMODA, Junichi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING RANGES REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	In an air conditioning apparatus (1), gas vent control is performed so that gas refrigerant is led from a receiver (25) to the suction side of a compressor (21) via a receiver gas vent pipe (30) by opening a receiver gas vent valve (30a), upstream side expansion valve subcooling control is performed so that the opening of an upstream side expansion valve (24, 26) is changed such that the subcooling of refrigerant is set to target subcooling at the outlet of a radiator (23, 41), and downstream side expansion valve suction wetting control is performed so that the opening of a downstream side expansion valve (26, 24) is changed such that refrigerant is in a wetting state and the dryness is set to target dryness at the outlet of a evaporator (41, 23).