AIR-CONDITIONING DEVICE AND ITS CONTROL METHOD

PROBLEM TO BE SOLVED: To provide an air conditioning device capable of implementing compressors at a low cost by connecting a pulse width modulation system compressor to a two-stage variable capacity compressor mutually in parallel in order to cope with an indoor air conditioning load, and its contr...

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Bibliographische Detailangaben
Hauptverfasser:	RI TOKEI, CHO IL-YON, BUN SAIMEI, KIM JONG-YOUB
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide an air conditioning device capable of implementing compressors at a low cost by connecting a pulse width modulation system compressor to a two-stage variable capacity compressor mutually in parallel in order to cope with an indoor air conditioning load, and its control method. SOLUTION: This device includes a first compressor 30 controlled by a pulse width modulation system, a second compressor 40 connected in parallel with the first compressor and controlled so as to be operated with either capacity of the minimum capacity and the maximum capacity, and a control part 70 for controlling the capacity of the first and second compressors so that the total capacity of the first and second compressors is controlled linearly corresponding to the indoor air conditioning load. COPYRIGHT: (C)2004,JPO