Patent ID: 7023117
Filing Date: 2006-04-04
Classification: F16C

Abstract:
1. A magnetic bearing assembly, comprising: a motion element having a working position, a passive magnetic bearing exerting repulsive forces to the motion element thereby guiding said motion element in a first plane, a controllable magnetic bearing for exerting a force to said motion element in a direction perpendicular to said first plane against the resistance of said repulsive forces of the passive magnetic bearing, said controllable magnetic bearing comprising: said passive magnetic bearing interacting with said stator element to hold said motion element in said working position without application of the electrical control current to said electrical conductor, said controllable magnetic bearing being applied with the control current as a function of signals of said position sensor, when said motion element is deflected from said working position, thereby influencing magnetization of said stator element and causing said motion element to return to said working position, and said controllable magnetic bearing being disposed only at one side of said motion element.