Hydrodynamic magnetic bearing

摘要

The invention relates to a hydrodynamic magnetic bearing, in particular for guiding the pump shafts of hermetic pumps. The aim of the invention is to increase the life of the bearings and of pumps or other machines equipped with them, to prevent premature machine failures and secondary losses associated therewith and to ensure considerably less stringent quality requirements in manufacture. It is the object of the invention significantly to increase the bearing capacity of sliding-contact bearings, in particular those which are operated with low-viscosity lubricants, in order thereby to achieve larger lubricating gap widths. The object is achieved by the fact that the conventional sliding-contact bearing is assigned a magnetic bearing.