Patent ID: 6867594
Filing Date: 2005-03-15
Classification: G01R

Abstract:
1. A device for centering an elongated sample tube, filled with a measuring substance, relative to a vertical axis of a nuclear magnetic resonance (NMR) receiver coil system which is rigidly mounted in a support device, the centering device comprising: at least one positioning means, said positioning means acting on the sample tube exclusively in an axial direction, said positioning means disposed either above or below the NMR receiver coil system; a first centering means disposed in an upper region of the NMR receiver coil system, said first centering means acting exclusively in a radial direction on the sample tube; and a second centering means disposed in a lower region of the NMR receiver coil system, said second centering means acting exclusively in a radial direction on the sample tube, said second centering means separated in an axial direction of the vertical receiver coil axis from said first centering means, wherein said first and said second centering means each comprise active electrical components of the NMR receiver coil system.