Temperature control device for temperature control of at least a part of a motor vehicle and method for operating such a temperature control device

Abstract

The invention relates to a temperature control device (6) for temperature control of at least a partial area of ​​a motor vehicle, comprising a refrigerant circuit (7) through which a refrigerant flows, a refrigerant compressor (8) for conveying and compressing the refrigerant, a fluid energy machine (9) provided in addition to the refrigerant compressor (8), an expansion valve (10) for expanding the refrigerant, an evaporator (11) for evaporating the refrigerant, and a condenser (12) for condensing the refrigerant, wherein the temperature control device (6) can be operated in at least one operating mode in which the refrigerant compressor (8) conveys and compresses the refrigerant, the fluid energy machine (9) operates as a turbine which can be driven by the refrigerant, and the refrigerant compressor (8), the condenser (12), the fluid energy machine (9), the expansion valve (10), and the evaporator (11) are connected in series with each other.