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    Particulate reinforced aluminum composites, their components and the near net shape forming process of the components
    1.
    发明授权
    Particulate reinforced aluminum composites, their components and the near net shape forming process of the components 有权
    颗粒增强铝复合材料，其组分和组分的近净形状成型过程

    公开(公告)号：US07087202B2

    公开(公告)日：2006-08-08

    申请号：US10628528

    申请日：2003-07-28

    申请人： Deming Liu ,  Chou Kee Peter Liu ,  Jian Zhong Fan ,  Jun Xu ,  Tao Zuo ,  Zhao Zu Gao

    发明人： Deming Liu ,  Chou Kee Peter Liu ,  Jian Zhong Fan ,  Jun Xu ,  Tao Zuo ,  Zhao Zu Gao

    IPC分类号： B22F3/12

    CPC分类号： C22F1/047 ,  B22D17/007 ,  B22F2009/041 ,  B22F2998/10 ,  C22C2001/1073 ,  C22F1/04 ,  Y10T428/256 ,  B22F9/04 ,  B22F3/04 ,  C22C1/1036

    摘要： This invention concerns particulate reinforced Al-based composites, and the near net shape forming process of their components. The average size of the reinforced particle in the invented composites is 0.1–3.5 μm and the volume percentage is 10–40%, and a good interfacial bonding between the reinforced particulate and the matrix is formed with the reinforced particles uniformly distributed. The production method of its billet is to have the reinforced particles and Al-base alloy powder receive variable-speed high-energy ball-milling in the balling drum. Then, with addition of a liquid surfactant, the ball-mill proceeds to carry on ball-milling. After the ball-milling, the produced composite powder undergoes cold isostatic pressing and the subsequent vacuum sintering or vacuum hot-pressing to be shaped into a hot compressed billet, which in turn undergoes semisolid thixotropic forming and may be shaped into complex-shaped components. These components can be used in various fields. This product is featured with excellent property, good machinability, stable quality, component near net shape forming and cost effective and higher performance.

    摘要翻译： 本发明涉及颗粒增强的基于Al的复合材料及其组分的近净形状形成过程。 本发明复合材料中增强颗粒的平均尺寸为0.1-3.5μm，体积百分比为10-40％，增强颗粒与基质之间形成良好的界面结合，增强颗粒均匀分布。 钢坯的生产方法是将球磨机中的增强颗粒和Al基合金粉末接受可变速高能球磨。 然后，加入液体表面活性剂，使球磨机进行球磨。 在球磨后，所生产的复合粉末进行冷等静压，随后进行真空烧结或真空热压成型为热压缩坯料，其又进行半固体触变形成并且可以成形为复杂形状的组分。 这些组件可用于各种领域。 本产品具有优良的性能，良好的机械加工性，质量稳定性，近净成型成分，成本效益高，性能更高。

    Piezoelectric device with amplifying mechanism
    2.
    发明授权
    Piezoelectric device with amplifying mechanism 有权
    带放大机构的压电器件

    公开(公告)号：US07227295B2

    公开(公告)日：2007-06-05

    申请号：US11051091

    申请日：2005-02-04

    申请人： Siu Wing Or ,  Chung Shueng Yung ,  Lai Wa Helen Chan-Wong ,  Ping Kong Joseph Choy ,  Chou Kee Peter Liu

    发明人： Siu Wing Or ,  Chung Shueng Yung ,  Lai Wa Helen Chan-Wong ,  Ping Kong Joseph Choy ,  Chou Kee Peter Liu

    IPC分类号： H01L41/08

    CPC分类号： H01L41/0946 ,  H02N2/028 ,  H02N2/043

    摘要： A piezoelectric device is provided that comprises a mechanical amplifier adapted to produce a displacement output and/or receive a force input, and first and second flexible platforms connected to the mechanical amplifier. The first flexible platform is connected to one side of the mechanical amplifier and piezoelectric material is mounted on the first flexible platform for controllably flexing the first flexible platform. The second flexible platform is connected to another side of the mechanical amplifier and piezoelectric material is mounted to the second flexible platform for controllably flexing the second flexible platform.

    摘要翻译： 提供一种压电装置，其包括适于产生位移输出和/或接收力输入的机械放大器，以及连接到机械放大器的第一和第二柔性平台。 第一柔性平台连接到机械放大器的一侧，压电材料安装在第一柔性平台上，用于可控地弯曲第一柔性平台。 第二柔性平台连接到机械放大器的另一侧，并且压电材料安装到第二柔性平台以可控地弯曲第二柔性平台。

    Tunable vibration absorption device
    5.
    发明授权
    Tunable vibration absorption device 有权
    可调振动吸收装置

    公开(公告)号：US07410039B2

    公开(公告)日：2008-08-12

    申请号：US11051155

    申请日：2005-02-04

    申请人： Siu Wing Or ,  Lai Wa Helen Chan-Wong ,  Ping Kong Joseph Choy ,  Chou Kee Peter Liu

    发明人： Siu Wing Or ,  Lai Wa Helen Chan-Wong ,  Ping Kong Joseph Choy ,  Chou Kee Peter Liu

    IPC分类号： F16F7/10

    CPC分类号： F16F7/104 ,  F16F7/1005

    摘要： A tunable vibration absorption device is provided that is suitable for active or semi-active vibration absorption or damping of vibrations in vibrating structures. It comprises a stack including a force actuator mechanism for generating an axial actuation force and a force sensor mechanism which is responsive to an external force acting on the stack to generate a force signal. A controller unit is electrically connected to the force sensor mechanism for receiving the force signal generated by the force sensor mechanism, and it is also electrically connected to the force actuator mechanism for adjusting the axial actuation force generated by the force actuator mechanism in response to the received force signal generated by the force sensor mechanism.

    摘要翻译： 提供了一种适用于振动结构中振动的主动或半主动振动吸收或阻尼的可调振动吸收装置。 它包括一个堆叠，其包括用于产生轴向致动力的力致动器机构和响应于作用在堆叠上的外力产生力信号的力传感器机构。 控制器单元电连接到力传感器机构，用于接收由力传感器机构产生的力信号，并且其还与力致动器机构电连接，以响应于所述力致动器机构产生的轴向致动力 由力传感器机构产生的受力信号。

    Apparatus and method for active alignment of optical components
    6.
    发明授权
    Apparatus and method for active alignment of optical components 有权
    用于光学部件的主动对准的装置和方法

    公开(公告)号：US06886997B2

    公开(公告)日：2005-05-03

    申请号：US10372362

    申请日：2003-02-24

    申请人： Yiu Ming Cheung ,  Chou Kee Peter Liu ,  Ching Hong Yiu

    发明人： Yiu Ming Cheung ,  Chou Kee Peter Liu ,  Ching Hong Yiu

    IPC分类号： G02B6/42 ,  G02B6/26

    CPC分类号： G02B6/4225 ,  G02B6/4227 ,  G02B6/4237

    摘要： The invention provides an apparatus and method for the active alignment and coupling of separate optical components consisting of a light-emitting component and a light-receiving component. It comprises first alignment means having a relatively lower optical resolving power stage that is adapted to perform coarse alignment of the light-emitting component to locate an approximate location of its point of highest intensity, and second alignment means having a relatively higher optical resolving power stage that is adapted to perform fine alignment of the light-emitting component to locate a more precise location of the said point of highest intensity. Accordingly, coarse alignment may be performed using a multi-mode fiber and fine alignment may be performed using a single-mode fiber that may further be coupled to the light-emitting component.

    摘要翻译： 本发明提供了一种用于主动对准和耦合由发光部件和光接收部件组成的分离的光学部件的装置和方法。 它包括具有相对较低的光学分辨功率级的第一对准装置，其适于执行发光部件的粗略对准以定位其最高强度点的近似位置，以及具有相对较高的光学分辨功率级的第二对准装置 其适于执行发光部件的精细对准以定位所述最高强度点的更精确的位置。 因此，可以使用多模光纤执行粗略对准，并且可以使用可以进一步耦合到发光部件的单模光纤进行精细对准。