| 摘要 |
PROBLEM TO BE SOLVED: To provide an air conditioning system for vehicle capable of circulating air conditioned air in the whole cabin without becoming stagnant on a rear seat side even during internal air circulation operation. SOLUTION: This air conditioning system for vehicle consists of an air conditioning unit 1 provided with an internal and external air box 10 whose an internal air introduction port 11b and an external air introduction port 11a are opened and which is provided with an internal and external air switching damper 12, a heater core 42 and an air mix damper 43 provided in a blower part 20, a cooler part 30, and a heater part 40, and an air outlet provided with a damper in a case 41, a plurality of circulation internal air suction openings 15a, 15b which are connected by the internal air introduction port 11b and a duct 14 and are opened at different positions in a compartment, a refrigerant system provided with a compressor, a condenser, and an expansion valve, a heating source system inducting engine cooling water into the heater core 42, and a control part controlling the operations of the air conditioning unit, the refrigerant system, and the heating source system.
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