| 摘要 |
An air conditioner system of a vehicle having an auxiliary cooling device is provided to increase difference of enthalpy between an inlet and outlet of an evaporator by cooling a main coolant path using a coolant expanded at an auxiliary expansion valve. An air conditioner system comprises a first branched pipe(101), an auxiliary expansion valve(102), an auxiliary cooling device(103), and a second branched pipe(105). The first branched pipe is formed at an outlet of a condenser(20), and distributes a coolant to a main coolant path(101a) and an auxiliary coolant path(101b). The auxiliary expansion valve expands distributed coolant. The auxiliary cooling device cools the coolant of the main coolant path and supplies the coolant a main expansion valve(30). The main coolant path penetrates the auxiliary cooling device. The second branched pipe supplies the coolant of the auxiliary cooling device to the main coolant path.
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