Heat pump comprising a closed circuit containing a refrigerant fluid and a lubricant, the closed circuit comprising a fluid compressor (1) and a return circuit for returning fluid to the compressor, the compressor extending in the closed circuit between a fluid inlet and a fluid outlet, the return circuit extending ...

A heat pump comprising a closed circuit intended to contain a refrigerant fluid and a lubricant miscible with the refrigerant fluid, the closed circuit comprising a fluid compressor (1) and a fluid return circuit for returning fluid to the compressor, the compressor extending in the closed circuit between a fluid in...

The invention relates to a device comprising a first thermodynamic vapour-compression machine having a refrigerant and a second thermodynamic flow machine having a heat-transfer fluid. The first machine comprises a compressor (5), a condenser (2), an expansion valve (6) and an evaporator (7) which together define, w...