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TECHNICAL PAPERS

Single Plane Radial, Magnetic Bearings Biased With Poles Containing Permanent Magnets

[+] Author and Article Information
Andrew Kenny, Alan B. Palazzolo

Vibration Control and Electromechanics Laboratory, Department of Mechanical Engineering, Texas A&M University, College Station, TX 77845

J. Mech. Des 125(1), 178-185 (Mar 21, 2003) (8 pages) doi:10.1115/1.1541630 History: Received April 01, 2001; Revised April 01, 2002; Online March 21, 2003
Copyright © 2003 by ASME
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References

Figures

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(a) Eight pole symmetric bias pole bearing, and (b) eight pole heteropolar bearing
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Bias pole bearing that can support a constant gravity load with permanent magnet flux
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Bias pole bearing with permanent magnet between split control poles
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(a) Bias flux paths in an eight pole bias pole bearing (b) control flux paths in an eight pole bias pole bearing
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Finite element model of bearing with permanent magnets in alternating poles
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(a) Bias flux from permanent magnets in poles (b) control flux to pull rotor in X direction (c) control flux to pull rotor in X direction
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Bias pole bearing with combined bias flux and control flux to pull rotor in the X direction

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