| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat pump device for a vehicle which improves the stable performance of a refrigerant cycle while minimizing the deterioration of other performance.SOLUTION: A heat pump device 1 for a vehicle includes: a motor compressor 112 which compresses and discharges a refrigerant; a high temperature side water refrigerant heat exchanger 111 which conducts heat exchange between a coolant which absorbs heat from the refrigerant and transfers the heat and a high temperature/high pressure refrigerant discharged from the motor compressor 112; and an internal heat exchanger 115 which conducts heat exchange between the coolant which flows in the high temperature side water refrigerant heat exchanger 111 and the refrigerant suctioned by the motor compressor 112. |
