초록 ▼

In a magnetic bearing system, wherein the gap between relatively moveable elements is controlled by variation of magnetic force therebetween, light is directed from one of the members onto the other member, and reflected back, the reflected light being converted to an electrical signal. The magnetic

In a magnetic bearing system, wherein the gap between relatively moveable elements is controlled by variation of magnetic force therebetween, light is directed from one of the members onto the other member, and reflected back, the reflected light being converted to an electrical signal. The magnetic force between the members is controlled as a direct function of the magnitude of the reflected light. The optical system may include optical fibers for directing the light, and markings may also be provided on the other member to enable determination of relative speed between the members in a further transducing system.

대표청구항 ▼

A magnetic bearing system comprising a first bearing member, a second bearing member movable relative to said first member, and adjusting means for maintaining a distance between said first and second members substantially constant, said adjusting means including means for transmitting light from on

A magnetic bearing system comprising a first bearing member, a second bearing member movable relative to said first member, and adjusting means for maintaining a distance between said first and second members substantially constant, said adjusting means including means for transmitting light from one of said members to a surface of the other of said members, means for receiving a portion of said light reflected by said surface, and electromagnetic means electrically connected to said receiving means for exerting an electromagnetic force between said members variable as a function of the magnitude of the light received by said receiving means, at least one of said transmitting means and receiving means including a light conducting optical fiber.