{HEAD ~ The stator} is also executed as an electromagnetic bearing for the driving rotor, and {TAIL ~ the driving rotor} of the electric motor together with the driven rotor of the rotary machine forms a rotor unit, i.e. the two rotors form an integral rotor 
{ HEAD ~ The stator } is also executed as an electromagnetic bearing for the driving rotor , and { TAIL ~ the driving rotor } of the electric motor together with the driven rotor of the rotary machine forms a rotor unit , i.e. the two rotors form an integral rotor
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