FIELD: ventilation.
SUBSTANCE: air-conditioning device of the heat pump type comprises a refrigerant discharge line (31), (32) connecting the electric compressor (10) located in the engine compartment (M) of the electric vehicle (1) and the condenser (25) located in the passenger compartment (R) and the refrigerant from the electric compressor (10) to the condenser (25). In this air-conditioning device, the heat pump type silencer (11) for suppressing pulsations in the refrigerant discharged from the electric compressor (10) is provided at the position of the path along the refrigerant discharge line (31), (32), and the muffler (11) is placed in more (10b) for the refrigerant of the electric compressor (10). The opening (11a) of the intake of the muffler coolant (11) is set in a higher position in the vehicle than the opening (11b) of the exhaust of the silencer (11).
EFFECT: prevents the refrigerant from flowing back to the electric compressor.
5 cl, 10 dwg
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