| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent the energy consumption efficiency of a refrigeration cycle from dropping when HFO1234yf or the like is used as an alternative for R410A. <P>SOLUTION: When a temperature at the refrigerant inlet port of an evaporator is more than the dew point temperature of air sucked by the evaporator, the air conditioner is configured to enlarge the diameter of a heat transfer pipe of the evaporator 3, shorten the length thereof, and increase the number of refrigerant flow passages. This configuration allows the absolute value of a difference between the temperature at the refrigerant inlet port of the evaporator and a temperature of a saturated gas corresponding to a pressure at a refrigerant outlet port of the evaporator to become less than half the absolute value of a difference between the temperature of the air sucked by the evaporator and the temperature of the saturated gas corresponding to the pressure at the refrigerant outlet port of the evaporator. <P>COPYRIGHT: (C)2012,JPO&INPIT |
