The compressor 2, wherein {TAIL ~ the adjusting element} is arranged axially displaceably in the compressor inlet duct in {HEAD ~ axial alignment} with the auxiliary rotor wheel  
The compressor 2 , wherein { TAIL ~ the adjusting element } is arranged axially displaceably in the compressor inlet duct in { HEAD ~ axial alignment } with the auxiliary rotor wheel
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH