Centrifugal compressor for overhanging centrifugal compressor unit of machine, has conduit and cavity that compensate axial push created by effort exerted by gas on impeller and applied on rotor, when compressor stops

摘要

The compressor has a radial flow impeller (38) mounted on a rotor (28) rotated by two stator bodies (30, 32). The body (30) has a conduit (44) opening in a cavity (48). The conduit and cavity create a depression on one side (40) of the impeller to compensate an axial push that is created by effort exerted by gas on the impeller and is applied on the rotor, when the compressor stops.