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    • 41. 发明专利
    • Bearing device
    • 轴承装置
    • JP2008121699A
    • 2008-05-29
    • JP2006302761
    • 2006-11-08
    • Jtekt Corp株式会社ジェイテクト
    • MIYAGAWA HIROTOYOKAMIYAMA HIROTOMOTANIGUCHI MANABU
    • F16C32/04F16C17/20F16C27/02
    • F16C32/0402F16C17/02F16C32/0476F16C2360/42
    • PROBLEM TO BE SOLVED: To provide a bearing device for a rotation drive mechanism having reduced cost. SOLUTION: The bearing device 3 is provided in a drive mechanism which is rotationally driven by a motor 20. The bearing device 3 comprises foil bearings 30, 40 provided on both sides of the motor 20 in the axial direction of a rotating shaft 21, and axial magnetic bearings 50, 60 provided outside the foil bearings 30, 40 in the axial direction of the rotating shaft 21 and having flange portions 51, 61 and electromagnets 52, 62. The bearing device 3 has protruded portions 6, 7 between a rotor 23 and each of the foil bearings 30, 40, protruded from a casing 10b, and sliding bearings 8, 9 on the protruded portions 6, 7, as protecting bearings for supporting the rotor 23. A clearance x1 between the protruded portion 6 and the rotor 23 in the axial direction of the rotating shaft 21 is formed smaller than each of clearances y1, z1 between other members. A clearance x2 between the protruded portion 7 and the rotor 23 in the axial direction of the rotating shaft 21 is formed smaller than each of clearances y2, z2 between other members. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种具有降低成本的旋转驱动机构的轴承装置。 解决方案:轴承装置3设置在由马达20旋转驱动的驱动机构中。轴承装置3包括在旋转轴的轴向上设置在马达20的两侧的箔轴承30,40 21和轴向磁轴承50,60,其设置在转轴21的轴向上的箔片轴承30,40的外侧,并且具有凸缘部分51,61和电磁体52,62。轴承装置3具有突出部6,7 转子23和从壳体10b突出的每个箔片轴承30,40以及突出部分6,7上的滑动轴承8,9作为用于支撑转子23的保护轴承。突出部分6 旋转轴21的轴向上的转子23的形状比其他部件之间的间隙y1,z1的形状小。 在旋转轴21的轴向上突出部分7和转子23之间的间隙x2形成为小于其它部件之间的间隙y2,z2中的每一个。 版权所有(C)2008,JPO&INPIT
    • 43. 发明专利
    • Superconductivity-using support mechanism
    • 超级电力 - 使用支持机制
    • JP2008039163A
    • 2008-02-21
    • JP2006218222
    • 2006-08-10
    • Central Japan Railway CoToshiba Corp東海旅客鉄道株式会社株式会社東芝
    • HANAI SATORUKUBOTA MICHIAKIFUJII MADOKA
    • F16C32/04H02J15/00
    • F16C32/0442F16C32/0476F16C32/0489F16C2361/55
    • PROBLEM TO BE SOLVED: To provide a superconductive flywheel system which calmly lands a flywheel without giving an impact force to a thrust auxiliary bearing even if a system power is not restored.
      SOLUTION: The mechanism comprises: a flywheel 1 composed of a vertical rotor shaft 1b and a flywheel body 1a fixed to the rotor shaft; a radial bearing mechanism 3 that is a radial bearing of the rotor shaft; a thrust bearing superconductive coil 2a for floating the flywheel; a circuit breaker 9c for separating the superconductive coil from a coil power source 2e; and discharge resistance circuits 14 and 15 having a predetermined time constant for softly landing the flywheel on the thrust auxiliary bearing 4 at the loss of a system power source 14 by separating the superconductive coil from the coil power source by the circuit breaker and gradually demagnetizing current.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种超导飞轮系统,即使没有恢复系统功率,也能平稳地将飞轮落在飞轮辅助轴承上而不给推力辅助轴承施加冲击力。 解决方案:该机构包括:由垂直转子轴1b和固定在转子轴上的飞轮体1a构成的飞轮1; 作为转子轴的径向轴承的径向轴承机构3; 用于浮动飞轮的止推轴承超导线圈2a; 用于将超导线圈与线圈电源2e分离的断路器9c; 以及具有预定时间常数的放电电阻电路14和15,用于通过由断路器将线圈电源分离超导线圈并通过断路器逐渐消磁电流,在系统电源14的损耗下将飞轮轻轻地着落在推力辅助轴承4上 。 版权所有(C)2008,JPO&INPIT
    • 45. 发明专利
    • Magnetic bearing device and turbo molecular pump mounted with magnetic bearing device
    • 磁性轴承装置和涡轮分子泵安装有磁性轴承装置
    • JP2005273802A
    • 2005-10-06
    • JP2004089147
    • 2004-03-25
    • Boc Edwards KkBocエドワーズ株式会社
    • KAWASHIMA TOSHIAKINAMIKI HIROYOSHIFUKAMI HIDEO
    • F04D19/04F16C32/04F16C39/06
    • F04D19/048F16C32/0446F16C32/0476F16C2360/45
    • PROBLEM TO BE SOLVED: To provide a magnetic bearing device and a turbo molecular pump mounted with the magnetic bearing device capable of reducing the vibration by precluding deterioration in the controllability of a rotor shaft resulting from dispersion in the axially directed position of the rotor shaft and performing a position control of the rotor shaft with the optimum magnetic force in the specified installation attitude. SOLUTION: The sensor sensitivity for adjustment of the sensitivity is stored in a sensitivity storing part 281. The sensitivity storing part 281 emits the stored sensitivity to a sensitivity changeover part 283, which makes changing-over according to the given output and emits the appropriate signal to a sensor signal amplification part 252. The amplification part 252 makes adjustment of the sensor sensitivity according to the sensitivity value stored in the sensitivity storing part 281 in conformity to the given sensor signal, and a sensor output signal 153 having the sensor output voltage V after adjustment is emitted to an A/D converter 154. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种安装有磁轴承装置的磁轴承装置和涡轮分子泵,该磁轴承装置能够通过排除由于在轴向指向位置的分散导致的转子轴的可控性的降低而减少振动 转子轴,并以指定的安装姿态以最佳磁力执行转子轴的位置控制。 解决方案:灵敏度调节的传感器灵敏度被存储在灵敏度存储部分281中。灵敏度存储部分281将存储的灵敏度发射到灵敏度切换部分283,灵敏度转换部分283根据给定的输出进行转换并发射 到传感器信号放大部分252的适当信号。放大部分252根据给定的传感器信号,根据存储在灵敏度存储部分281中的灵敏度值来调节传感器灵敏度,并且传感器输出信号153具有传感器 调整后的输出电压V被发射到A / D转换器154.版权所有(C)2006,JPO&NCIPI
    • 46. 发明专利
    • A magnetic guiding device
    • 空值
    • JP2005522642A
    • 2005-07-28
    • JP2003584517
    • 2003-03-28
    • フォルシュングスツェントルム ユーリッヒ ゲーエムベーハー
    • ヨハン カー フレメレイマティーアス ラング
    • F16C32/04F16C39/06
    • F16C32/0465F16C32/0476F16C2300/02
    • 【課題】 要素の半径方向の不安定性を回避する。 装置をシンプルに構成する。
      【解決手段】 この発明は、軸方向に磁気的に案内される少なくとも1つの要素(2)を有しており、それは、例えば、軸方向に移動しうるシャフトまたは作動部材であり、要素(2)は、磁性材料製ラジアルフランジ(14)を有しており、これは、弱磁性材料製アキシャルヨーク(47)によって取り囲まれかつステータを構成しており、そこに形成された磁性間隙(51、52)内に、永久磁石および電磁石(53、54、55)の組合せによって軸方向磁気流れが生じさせられ、それによって、要素(2)の軸方向の位置が影響されうる磁気案内装置(1)であって、ヨーク(47)内に、軸方向反対向きに磁化された少なくとも一対の永久磁石(53、54)が軸方向に隣接するように配置されかつ電磁コイル(55)が電磁石として半径方向に隣接するように配置されており、軸方向の合力をもった不釣り合いの磁気流れが磁性間隙(51、52)内で形成されるようにコイル(55)の磁気流れが制御されうる磁気案内装置に関する。
    • 本发明涉及一种磁性引导装置(1),该导引装置具有至少一个要沿轴向磁性导向的元件(2)。 所述元件(2)具有由可磁化材料制成的径向凸缘(14),所述径向凸缘(14)被由铁磁材料制成并构成定子的轴向磁轭(47)包围,形成 通过永磁体和电磁体(53,54,55)的组合可生产的磁体间隙(51,52),可影响元件(2)的轴向位置的轴向磁通量,其中 其特征在于,在轴向轭(47)中,至少一对轴向相对极化的永久磁铁(53,54)轴向地彼此相对布置,并且电磁线圈(55)此外被布置成电磁体 线圈(5​​5)中的磁通量可以在磁体间隙(51,52)中产生具有轴向合力的不对称磁通量的方式被控制。
    • 48. 发明专利
    • Magnetic bearing device
    • 磁力轴承装置
    • JP2004286175A
    • 2004-10-14
    • JP2003081690
    • 2003-03-25
    • Koyo Seiko Co Ltd光洋精工株式会社
    • TAKAHATA RYOICHI
    • F16C32/04
    • F16C32/0476F16C32/0442F16C32/0465F16C32/0489F16C2361/55
    • PROBLEM TO BE SOLVED: To provide a magnetic bearing device capable of reducing power consumption of an axial magnetic bearing, and stably controlling axial position of a rotary body without coming into contact with a touch-down bearing to which the rotary body limits axial displacement even in case of occurrence of large disturbance such as an earthquake. SOLUTION: The axial magnetic bearing 6 comprises an upper axial electromagnet 17 to attract the rotary body upward, and a lower axial electromagnet 18 to attract the rotary body downward. In the upper axial electromagnet 17, a permanent magnet 21 is incorporated. In the lower axial electromagnet 18, a permanent magnet is not incorporated. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够降低轴向磁性轴承的功率消耗的磁轴承装置,并且可以稳定地控制旋转体的轴向位置而不与旋转体限制的接触式轴承接触 即使在出现诸如地震等大扰动的情况下也会发生轴向位移。 解决方案:轴向磁性轴承6包括用于向上吸引旋转体的上轴向电磁体17和向下吸引旋转体的下轴向电磁体18。 在上轴向电磁体17中,并入永磁体21。 在下轴向电磁体18中,不结合永久磁铁。 版权所有(C)2005,JPO&NCIPI