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    • 28. 发明授权
    • Thermally controlled magnetic reluctor structures and methods
    • 热控磁阻结构和方法
    • US6031440A
    • 2000-02-29
    • US262750
    • 1999-03-04
    • Herbert A. LeupoldArthur Tauber
    • Herbert A. LeupoldArthur Tauber
    • G02F1/13H01F7/02H01F6/00
    • H01F7/0278G02F1/13452
    • In the preferred embodiment, a variable magnetic reluctor structure comprng an iron yoke having two opposing "U"-shaped bodies, magnetic flux sources formed by portions of the yoke, a magnetic flux path, a working space and a reluctor space is provided. A reluctor member comprising diamagnetic disks is inserted within the reluctor space decreasing the magnetic permeability of the magnetic flux path to a value lesser than that of air (1.0). The iron disks increase permeability, while either a Type I or a Type II superconducting disk or a combination of iron disks interspersed between Type II superconducting disks decreases permeability. Reluctor members comprising disks constructed solely of either iron, a Type I superconducting material, a Type II superconducting material, or a diamagnetic material, can be mounted in a rotating arrangement so that a different reluctor member can be mechanically inserted within the reluctor space resulting in increases or decreases to the magnetic permeability of the magnetic flux path to a value greater than that of air (1.0). In other embodiments of this invention, a permanent magnetic reluctor structure comprising a horseshoe-shaped magnetic flux source and two reluctor members comprised of stacked superconducting baffles, as well as structures utilizing thermal controls on permeability of reluctor members of a variable magnetic reluctor structure are provided. Methods of varying permeance are also shown.
    • 在优选实施例中,提供了一种包括具有两个相对的“U”形体的铁轭的可变磁阻抗器结构,由磁轭的一部分形成的磁通源,磁通路径,工作空间和非磁性体空间。 将包括抗磁盘的反磁体部件插入到磁阻空间内,将磁通路径的磁导率降低到小于空气(1.0)的磁导率。 铁磁盘增加了磁导率,而I型或II型超导磁盘或散布在II型超导磁盘之间的铁磁盘的组合降低了磁导率。 包括仅由铁,I型超导材料,II型超导材料或抗磁性材料构成的盘的磁滞元件可以安装在旋转布置中,使得不同的磁阻元件能够被机械地插入到磁阻空间内,从而产生 磁通量的磁导率增加或减小到大于空气的磁导率(1.0)的值。 在本发明的其它实施例中,提供一种包括马蹄形磁通源和由堆叠的超导挡板构成的两个反磁体构件的永磁性磁阻器结构,以及利用对可变磁性非磁性体结构的反磁体构件的磁导率的热控制的结构。 。 还显示了渗透性变化的方法。