| 摘要 |
PROBLEM TO BE SOLVED: To guarantee the high efficiency and the reliable function in a dynamic operation. SOLUTION: A refrigerant circuit 10 of a CO<SB>2</SB>air-conditioner used for a vehicle driven by an internal combustion engine comprises at least one evaporator 24, a compressor 12, a gas cooler 14, an expansion mechanism 20, and an accumulator 28 for liquid refrigerant, and further comprises other means 46, 48 and 52 capable of controlling discharge of the liquid refrigerant from the accumulator 28. COPYRIGHT: (C)2005,JPO&NCIPI |
