In a first embodiment of the present invention, the compressor unit, {HEAD ~ the first chamber} of {TAIL ~ 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 
of
In a first embodiment of the present invention , the compressor unit , { HEAD ~ the first chamber } of { TAIL ~ 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
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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