ROTOR AND COMPRESSOR ELEMENT PROVIDED WITH SUCH ROTOR

摘要

Rotor comprising a shaft (6) having an axial direction (A-A'), whereby an inner and central cooling channel (8) with an inlet (9) and an outlet (10) for a cooling agent is provided in this shaft (6), extending in the above-mentioned axial direction (A-A'), characterised in that the above-mentioned cooling channel (8) is at least partly provided with inwardly directed fins (11).