| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vehicular air conditioner which exerts a sufficient heating performance without increased capacities of a cabin condenser and a blower. Ž<P>SOLUTION: An electric compressor 8, a subcondenser 4, an electric expansion valve 12, and an evaporator 3 are sequentially connected in a heating refrigerant circuit 6b. An air conditioner controller 21 fully opens the electronic expansion valve 12 in the heating operation, and flows out the refrigerant from the electronic expansion valve 12 without subjecting the refrigerant to adiabatic expansion. As a result, when the refrigerant passes through the evaporator 3, it does not cool the air in an air conditioning air duct 2, which efficiently heats the inside of a cabin with compression work of the electric compressor 8 as a heat source. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
|
