Mas-nmr rotor system with improved space utilization

A nuclear magnetic resonance and rotor technology, which is applied in the direction of using nuclear magnetic resonance spectrum for measurement, magnetic resonance measurement, and magnetic variable measurement, can solve the problem that insulation devices are difficult to install

Active Publication Date: 2019-05-28
BRUKER SWITZERLAND AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, such isolation devices are difficult to retrofit into MAS-NMR probes

Method used

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  • Mas-nmr rotor system with improved space utilization
  • Mas-nmr rotor system with improved space utilization
  • Mas-nmr rotor system with improved space utilization

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0058] figure 1 A first embodiment of a MAS-NMR rotor system 100 for the invention is shown, comprising a rotor 1 in which a measurement substance is arranged in solid or semi-solid form (eg powder or gel) and comprising a stator 2 . exist figure 1 The stator 2 is shown above (together with the components of the stator holder 32), in figure 1 Rotor 1 is shown in the center and in figure 1 The entire MAS-NMR rotor system 100 with the rotor 1 and the stator 2 (together with the components of the stator holder 32 ) is shown below. The MAS-NMR rotor system 100 and the stator holder 32 are part of a probe assembly 200 according to the invention.

[0059] The stator 2 comprises a first aerodynamic radial bearing 3 , a second aerodynamic radial bearing 4 and a third aerodynamic axial bearing 5 . The rotor 1 is mounted rotatably about an axis of rotation RA within the stator 2 .

[0060] The rotor 1 comprises a cylindrical section 6 and an end section 7, which forms the main body...

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PUM

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Abstract

A first radial bearing includes nozzles in the stator at a radius r1 and a bearing surface on a circular section of the rotor at a radius R1. A second radial bearing includes nozzles in the stator ata radius r2 and a bearing surface on the rotor at a radius R2. An axial bearing includes a nozzle in the stator and a bearing surface on an axial end of the rotor, which runs orthogonally to the rotation axis and has an outer radius R3. The second radial bearing is formed on an end section of the rotor, which has a smaller radius than or a radius that decreases away from the circular section, so that R2<R1 and r2<r1. The third bearing surface is formed on an end of the end section facing away from the circular section, so that R3<=2.

Description

technical field [0001] The invention relates to a magic-angle rotating nuclear magnetic resonance rotor system comprising a rotor for accommodating a substance to be measured and a stator for rotatably supporting the rotor about an axis of rotation, said magic-angle rotating nuclear magnetic resonance rotor system: [0002] There is a first pneumatic radial bearing comprising a plurality of first nozzle discharge openings in the stator on a radius r1 and a first bearing surface on a cylindrical section of the rotor with a radius R1 , [0003] having a second pneumatic radial bearing comprising a plurality of second nozzle discharge openings on a radius r2 in the stator and a second bearing surface on the rotor having a radius R2, [0004] and a pneumatic axial bearing comprising at least one nozzle discharge opening in the stator and a third bearing surface on the axial end of the rotor, wherein the third bearing surface extends perpendicularly to the axis of rotation and Ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R33/30G01R33/34
CPCG01R33/307G01R33/46
Inventor J·吉多尔利亚诺夫N·弗里塔格
Owner BRUKER SWITZERLAND AG
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