Thermal management system for a vehicle, in particular a commercial vehicle

摘要

A thermal management system 10 for a vehicle comprises a first cooling circuit 18 containing a working fluid and comprising a compressor 20, a first heat exchanger 22 downstream of the compressor and first 28 and second 38 evaporators in parallel and downstream of the heat exchanger 22. Working fluid evaporated in evaporators 28, 38 cools air for the interior of the vehicle. An electric component 16 is cooled by coolant flowing through a second cooling circuit 42 and a chiller 44 is arranged in the first and second cooling circuits to transfer heat between the working fluid and the coolant. A valve 48 controls the flow of working fluid through evaporators 28, 38 and the chiller 44. The system may further comprise a motor 12 cooled by a medium flowing through a heating circuit 68 and second 70 and third 72 heat exchangers arranged in parallel to transfer heat from the medium to air for the interior of the vehicle. The system is suitable for heating and/or cooling two portions of a vehicle interior.