CENTRIFUGAL SEPARATOR

摘要

The invention refers to a centrifugal separator for centrifuging components contained in a liquid mixture and having different density. A rotating centrifuge rotor (9) is arranged to rotate around a centre axis (x) and comprises a casing (10) defining an inner separation space (11). An inlet channel (29) is provided for supply of the liquid mixture of components to be separated to the separation space (11). At least one outlet channel (30) is connected to the separation space (11) and provided for discharge of a component separated during operation. A torque transmitting part (4) around the centre axis (x) is fixedly connected to the centrifuge rotor (9). A drive motor (15) drives the torque transmitting part (4) and thus the centrifuge rotor (9) in such a way that the centrifuge rotor (9) is brought to rotate. The drive motor (15) comprises a stator (17) and a rotor (16), which is fixedly connected to the torque transmitting part (4). The rotor (16) of the drive motor (15) surrounds a cavity (25) which is through-flown by liquid during operation. The drive motor (15) is provided axially outside the centrifuge rotor.