Abstract
The recent development of superconducting magnetic bearings of high load-carrying characteristics has led to the design of cryogenic motors which have essentially no internal losses from either mechanical or electrical sources. Small synchronous motors have been operated with the superconducting rotor in liquid helium, helium gas or in high vacuums. This paper will discuss some of the superconducting principles involved in the design of small reversible shaftless motors capable of prolonged high-speed operation while in a high vacuum, Motors of this type offer an unusually high degree of constancy of performance, which makes their use in cryogenic gyroscopes appear attractive, Undoubtedly numerous other applications exist. Only brief reference will be made to the superconducting bearings used in these motors since this subject is discussed in a recent paper by T. A. Buchhold [1] and also by I. Simon [2].
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References
T. A. Buchhold, “Applications of superconductivity,” Scientific American (March 1960),
L Simon, “Forces applied on superconductors in magnetic fields,” J. Appl. Phys., Vol. 24, No. 1 (January 1953).
D Schoenberg, “Superconductivity,” Cambridge University Press, 2nd Ed. (1952).
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© 1961 Springer Science+Business Media New York
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Schoch, K.F. (1961). Superconducting Cryogenic Motors. In: Timmerhaus, K.D. (eds) Advances in Cryogenic Engineering. Advances in Cryogenic Engineering, vol 6. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-0534-8_6
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DOI: https://doi.org/10.1007/978-1-4757-0534-8_6
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-0536-2
Online ISBN: 978-1-4757-0534-8
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