In {TAIL ~ a first embodiment} of the present invention, {HEAD ~ the compressor unit}, the first chamber of the heat exchanger and the turbine are arranged in series in the direction of flow of the air in a known manner known to form the first air circuit 
In
In { TAIL ~ a first embodiment } of the present invention , { HEAD ~ the compressor unit } , the first chamber of the heat exchanger and the turbine are arranged in series in the direction of flow of the air in a known manner known to form the first air circuit
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH