The rotary machine comprises a driven rotor and an electric motor having {HEAD ~ a stator} and {TAIL ~ a driving rotor} 
The rotary machine comprises a driven rotor and an electric motor having { HEAD ~ a stator } and { TAIL ~ a driving rotor }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL