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