AIR CONDITIONER FOR VEHICLE

摘要

Disclosed is a vehicle air conditioning system including not less than two evaporators 3, 4, in which internal heat exchangers 5, 6 are provided to the respective evaporator 3, 4; a first evaporator 3 is placed in a front part of a compartment 8A whereas a second evaporator 4 is placed in a rear part of the compartment 8B; and the second evaporator 4 is connected to the internal heat exchanger 6 extended from the engine room 7 to the compartment 8. The internal heat exchanger 6 has a triple tube structure in which a heat insulator 15 is provided between a high-pressure medium passage 13 and a low-pressure medium passage 14.