| 摘要 |
PROBLEM TO BE SOLVED: To provide an air conditioner for a vehicle capable of regulating heat exchange amount of an internal heat exchanger without using a bypass circuit. SOLUTION: The air conditioner (1) for the vehicle has a compressor (2) compressing a heat medium, a heat exchanger (6) inside a cabin emitting heat of the heat medium in the cabin, a first pressure reduction means (8) reducing the pressure of the heat medium, a second pressure reduction means (12) reducing the pressure of the heat medium, a heat exchanger (14) outside the cabin absorbing the heat of the outside the cabin in the heat medium, a gas-liquid separator (16) which separates the heat medium heat-exchanged by the heat exchanger outside the cabin into gas phase and liquid phase and flows out the gas phase heat medium into the compressor, and an internal heat exchanger (10) which transfers the heat of the heat medium flowing between the first pressure reduction means and the second pressure reduction means to the heat medium flowing between the gas-liquid separator and the compressor. The heat exchange amount in the internal heat exchanger is regulated by adjusting the pressure reduction amount with the first pressure reduction means. COPYRIGHT: (C)2005,JPO&NCIPI
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