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    • 8. 发明授权
    • Rotary steerable drilling tool with electromagnetic steering system
    • 带电磁转向系统的旋转导向钻具
    • US09580968B2
    • 2017-02-28
    • US14308458
    • 2014-06-18
    • Ce LiuTreston DavisRicki MarshallJing Li
    • Ce LiuTreston DavisRicki MarshallJing Li
    • E21B7/24E21B7/06
    • E21B7/24E21B7/067
    • A rotary steerable drilling tool with an electromagnetic steering system can include a drill collar, a bit shaft, an orientation control module, a mud tube, a mud tube coupler, a universal joint, a mud sealing device, and a drill bit. The bit shaft can be mechanically coupled to the drill collar through the universal joint and the orientation control module and rotate about the universal joint. The orientation and the inclination angle of the bit shaft against the drill collar can be controlled by the orientation control module with the electromagnetic steering system. The orientation control module can include an array of electromagnets, an array of permanent magnets, a rotor, and a set of bearings. The orientation control module can be coupled to the bit shaft through the rotor. The movement of the rotor can be driven by the interaction between the array of electromagnets and the array of permanent magnets.
    • 具有电磁转向系统的旋转可转向钻具可以包括钻铤,钻头轴,定向控制模块,泥浆管,泥浆管联接器,万向接头,泥浆密封装置和钻头。 钻头轴可以通过万向接头和定向控制模块机械联接到钻铤,并围绕万向接头旋转。 钻头轴相对于钻铤的方向和倾斜角度可以由具有电磁转向系统的定向控制模块来控制。 定向控制模块可以包括电磁体阵列,永磁体阵列,转子和一组轴承。 定向控制模块可以通过转子耦合到钻头轴。 转子的运动可以通过电磁体阵列与永磁体阵列之间的相互作用来驱动。
    • 9. 发明授权
    • Solid-state compositions and methods for generating white light
    • 固态组合物和产生白光的方法
    • US09537112B2
    • 2017-01-03
    • US14239616
    • 2012-08-19
    • Jing LiMojgan Roushan
    • Jing LiMojgan Roushan
    • C09K11/08C09K11/56C09K11/57C09K11/88H01L51/50H01L33/50
    • H01L51/5036C09K11/883H01L33/502Y02B20/181
    • This application discloses a new family of inorganic-organic hybrid semiconductor bulk materials built on periodic nanostructured 2D layers of ZnS that emit bright white light with high quantum efficiency. These ZnS-based crystalline inorganic-organic hybrid semiconductors have well defined and precisely controllable crystal structure and composition. Their optical emission properties, including intensity, quantum yield, and color quality, can be systematically tuned by varying the composition of both inorganic and organic components. Methods for preparing these materials, use of these materials as a new type of single-phased white light emitting phosphors, and their applications in making WLED devices are also disclosed.
    • 该申请公开了一种新型的无机 - 有机杂化半导体体材料系列,它们建立在发射具有高量子效率的亮白光的ZnS的周期性纳米结构2D层上。 这些基于ZnS的结晶无机 - 有机杂化半导体具有良好的定义和精确控制的晶体结构和组成。 可以通过改变无机组分和有机组分的组成来系统地调节它们的光学发射性质,包括强度,量子产率和颜色质量。 还公开了制备这些材料的方法,使用这些材料作为新型的单相白色发光荧光体,以及它们在制备WLED器件中的应用。