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    • 1. 发明授权
    • Magnetically levitated transportation system and method
    • 磁悬浮运输系统和方法
    • US06684794B2
    • 2004-02-03
    • US10140729
    • 2002-05-07
    • Orlo James FiskeChen ChenMichael Richard RicciBradley Evan Paden
    • Orlo James FiskeChen ChenMichael Richard RicciBradley Evan Paden
    • B61B1300
    • B60L13/04B60L2200/26
    • A magnetically levitated transportation system employs permanent magnet rails along a guideway that interact with permanent magnets on a vehicle. The rails are optimized to reduce magnetic mass, while maximizing lift force. In one example, the arrays are composed of arrays of magnets having rotating magnetizations, such as Halbach arrays. In another example, the arrays are cup-shaped to provide stronger magnetic field forces in the central portion of the array, relative to the lateral portion of the array. The vehicle may be stabilized in the lateral and yaw directions with feedback controlled lateral control coils that interact with the permanent magnet rails on the guideway. Vertical, pitch and roll motions may be controlled or damped with eddy-current damper coils or plates or with active feedback control to control the coils.
    • 磁悬浮运输系统采用永久磁铁轨道,沿导轨与车辆上的永久磁铁相互作用。 轨道被优化以减少磁性质量,同时最大化提升力。 在一个示例中,阵列由具有旋转磁化的磁体阵列组成,例如Halbach阵列。 在另一个示例中,阵列是杯形的,以在阵列的中心部分相对于阵列的侧向部分提供更强的磁场力。 车辆可以在横向和偏航方向上稳定,其中反馈控制的横向控制线圈与导轨上的永磁轨道相互作用。 可以使用涡流阻尼线圈或板或主动反馈控制来控制或阻尼垂直,俯仰和滚动运动来控制线圈。
    • 3. 发明授权
    • Track switching for a magnetically levitated transportation system and method
    • 磁悬浮运输系统和方法的跟踪切换
    • US07757609B2
    • 2010-07-20
    • US11868438
    • 2007-10-05
    • Orlo James FiskeChen ChenMichael RicciBradley Evan Paden
    • Orlo James FiskeChen ChenMichael RicciBradley Evan Paden
    • B60L13/08B60L13/04B61B13/08
    • B60L13/003B60L13/06B60L2200/26
    • A magnetically levitated transportation system employs permanent magnet rails along a guideway that interact with permanent magnets on a vehicle. The rails are optimized to reduce magnetic mass and cost of materials, while maximizing lift force. The vehicle is stabilized in the lateral and yaw directions with feedback controlled lateral control coils that interact with the permanent magnet rails on the guideway. A track switching structure employs permanent magnet rails that gradually widen along a segment of track and separate into two identical diverging rails. Feedback controlled lateral control coils in a moving vehicle stabilize that vehicle over one or the other pairs of diverging rails, as directed by a control computer, thereby causing the vehicle to continue along one path or the other, with no moving or active elements required in the track.
    • 磁悬浮运输系统采用永久磁铁轨道,沿导轨与车辆上的永久磁铁相互作用。 优化轨道以减少材料的磁性质量和成本,同时最大化提升力。 车辆在横向和偏航方向上稳定,反馈控制的横向控制线圈与导轨上的永磁铁轨相互作用。 轨道切换结构采用沿轨道段逐渐变宽并分成两个相同发散轨道的永磁轨道。 移动车辆中的反馈控制的横向控制线圈,如由控制计算机所指示的那样,将车辆稳定在一对或另一对发散轨道上,从而使车辆沿着一个路径或另一个路径继续行驶,而不需要移动或有源元件 轨道。
    • 4. 发明授权
    • Magnetic spring and actuators with multiple equilibrium positions
    • 具有多个平衡位置的磁性弹簧和执行器
    • US07265470B1
    • 2007-09-04
    • US11034258
    • 2005-01-13
    • Bradley Evan PadenChen ChenOrlo James Fiske
    • Bradley Evan PadenChen ChenOrlo James Fiske
    • H02K21/00H02K41/02H02K35/02H02K1/17
    • H02K26/00F16F6/005H02K49/106
    • Arrays of magnets configured to create linear or rotary magnetic springs with multiple equilibrium points. Some of the equilibrium points are stable, while others are unstable. No mechanical contact is required between moving and stationary elements of the magnetic springs, resulting in a virtually unlimited lifetime. The magnetic springs can be utilized in conjunction with low force electromagnetic actuators to implement multi-step linear or rotary actuators with high force, very short movement time between unstable equilibrium points, and with near-zero holding power required to maintain actuator position at any unstable equilibrium point. Specific applications that embody the present invention may include, but are not limited to, optical filters, linear valves, or any mechanism that would benefit from an efficient magnetic spring.
    • 磁体阵列被配置为创建具有多个平衡点的线性或旋转磁性弹簧。 一些平衡点是稳定的,而另一些是不稳定的。 在磁性弹簧的移动和静止元件之间不需要机械接触,导致几乎无限的使用寿命。 磁力弹簧可与低力电磁执行机构一起使用,以实现多级线性或旋转式致动器,具有强力非常短的不稳定平衡点之间的非常短的运动时间,以及保持致动器位置处于不稳定所需的近零保持力 平衡点 本发明的具体应用可以包括但不限于光学滤波器,线性阀或可从有效的磁性弹簧中受益的任何机构。