A magnetic bearing assembly, either radial or linear, utilizes attractive magnetic forces between inner and outer components of the assembly. The assembly includes a mechanical device for controlling relative movement between the components in first and second directions, while permitting relative movement...http://www.google.com/patents/US20080106165?utm_source=gb-gplus-sharePatent US20080106165 - BEARING ASSEMBLY HAVING A MECHANICAL COMPONENT AND USING ATTRACTIVE MAGNETIC FORCES