| 摘要 |
The device includes a heat pump integrating a refrigerant circuit taking calories from a cold source to transfer them towards a warm source. The device also includes a heat-conducting fluid/air thermal exchanger called external exchanger ( 30 ), located in the vehicle engine compartment ( 34 ), the heat-conducting fluid being either the refrigerant or a heat-conducting fluid in thermal exchange with the cold source refrigerant. The device also includes means of formation of an air flow, preferably a fan ( 40 ), circulating through the external exchanger ( 30 ) and called outlet air flow, directed from inside the engine compartment ( 34 ) to outside the vehicle. Preferably, the fan ( 40 ) shall be able to rotate in a first direction to form an air flow directed from outside the vehicle to inside the engine compartment ( 34 ) and called inlet air flow, and in a reverse direction to form the outlet air flow.
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