Rotating brush seal
    3.
    发明授权
    Rotating brush seal 有权
    旋转刷密封

    公开(公告)号:US09255486B2

    公开(公告)日:2016-02-09

    申请号:US13554048

    申请日:2012-07-20

    IPC分类号: F01D11/00 F04D29/08 F16J15/32

    摘要: A brush seal for use between a rotating component and a stationary component in a turbomachine is disclosed. The brush seal according to embodiments of this invention includes a set of bristles having a fixed end and a free end, wherein the fixed end is attached to the rotating component with a mechanical clamping element and the free end extends towards the stationary component, and wherein the set of bristles are angled axially at an axial angle with respect to the rotating component. In one embodiment, the fixed end of the set of bristles are wrapped at least partially around a core element and the clamping element partially surrounds the core element and the fixed end of the set of bristles, wherein the clamping element secures the fixed end of the set of bristles within a circumferential groove in the rotating component.

    摘要翻译: 公开了一种在涡轮机中的旋转部件和固定部件之间使用的刷密封件。 根据本发明的实施例的刷密封包括一组具有固定端和自由端的刷毛,其中固定端用机械夹紧元件附接到旋转部件,并且自由端朝向固定部件延伸,并且其中 该组刷毛相对于旋转部件以轴向角度轴向成角度。 在一个实施例中,该组刷毛的固定端至少部分地围绕芯元件包裹,并且夹紧元件部分地围绕该芯组件和该组刷毛的固定端,其中该夹紧元件固定该固定端 在旋转部件中的周向槽内的刷毛组。

    Seal assembly including plateau and concave portion in mating surface for seal tooth in turbine
    4.
    发明授权
    Seal assembly including plateau and concave portion in mating surface for seal tooth in turbine 有权
    密封组件包括用于涡轮机中密封齿的配合表面中的平台和凹部

    公开(公告)号:US08936247B2

    公开(公告)日:2015-01-20

    申请号:US12782330

    申请日:2010-05-18

    申请人: Xiaoqing Zheng

    发明人: Xiaoqing Zheng

    摘要: A seal assembly for sealing a stationary component and a rotating component including a seal tooth mating surface for mating with a seal tooth, the seal tooth mating surface including a plateau portion for sealingly receiving the seal tooth during a steady-state operation of the seal assembly and a first concave portion adjacent to the plateau portion for receiving the seal tooth with a clearance during a first non-steady-state operation of the seal assembly, wherein the seal tooth is coupled to one of the stationary component and the rotating component and the seal tooth mating surface is coupled to the other of the stationary component and the rotating component.

    摘要翻译: 一种用于密封固定部件的密封组件和包括用于与密封齿配合的密封齿配合表面的旋转部件,密封齿配合表面包括用于在密封组件的稳态操作期间密封地接收密封齿的平台部分 以及与所述平台部分相邻的第一凹部,用于在所述密封组件的第一非稳态操作期间以间隙接收所述密封齿,其中所述密封齿与所述固定部件和所述旋转部件中的一个连接, 密封齿配合表面联接到固定部件和旋转部件中的另一个。

    Paliperidone double-layered osmotic pump controlled release tablet and preparation method thereof
    5.
    发明授权
    Paliperidone double-layered osmotic pump controlled release tablet and preparation method thereof 有权
    哌啶酮双层渗透泵控释片及其制备方法

    公开(公告)号:US08920835B2

    公开(公告)日:2014-12-30

    申请号:US13512402

    申请日:2010-11-22

    摘要: A paliperidone double-layered osmotic pump controlled release tablet and the preparation method thereof are disclosed. The double-layered osmotic pump controlled release tablet comprises a rigid membrane, a push layer, a drug layer, an isolation layer and an aesthetic coating, wherein the rigid membrane contains a semi-permeable polymer, a porogen and/or a plasticizer and has one or more drug release orifices on one end, the push layer comprises an expanding material, an osmotic agent, a binder, a colorant and a lubricant, the drug layer contains a pharmaceutically active ingredient, a hydrophilic polymer, an osmotic agent, a colorant, a lubricant and an antistatic agent, the isolation layer is located between the inner surface of the rigid membrane and the push layer, and contains a hydrophilic polymer. The paliperidone double-layered osmotic pump controlled release tablet shows an increasing drug release rate at early stage and keeps a constant drug release rate at later stage.

    摘要翻译: 披露了一种帕培酮双层渗透泵控释片及其制备方法。 双层渗透泵控制释放片剂包括刚性膜,推层,药物层,隔离层和美容涂层,其中刚性膜含有半透性聚合物,致孔剂和/或增塑剂,并且具有 一个或多个药物释放孔在一端,推层包括膨胀材料,渗透剂,粘合剂,着色剂和润滑剂,药物层含有药物活性成分,亲水性聚合物,渗透剂,着色剂 ,润滑剂和抗静电剂,隔离层位于刚性膜的内表面和推层之间,并含有亲水性聚合物。 帕潘立酮双层渗透泵控释片剂在早期阶段呈现出药物释放速率的增加,药物释放速率在后期保持不变。

    Systems, Methods, and Apparatus for a Labyrinth Seal
    7.
    发明申请
    Systems, Methods, and Apparatus for a Labyrinth Seal 有权
    用于迷宫密封的系统,方法和装置

    公开(公告)号:US20130058766A1

    公开(公告)日:2013-03-07

    申请号:US13226122

    申请日:2011-09-06

    IPC分类号: F01D11/08 F16J15/447

    摘要: Certain embodiments of the invention may include systems, methods and apparatus for providing a labyrinth seal. In an example embodiment, a method is provided for sealing a flow path between a stationary element and a rotating element of a turbomachine. The method can include disposing at least one fixture on an inner surface of a stationary element associated with the turbomachine; disposing a packing ring linked via a spring element to the fixture wherein the packing ring comprises at least one bore; and disposing, according to a predetermined profile, a plurality of interdigitated packing ring teeth and rotor teeth intermediate to the packing ring and the rotating element; wherein the bore, packing ring teeth, and rotor teeth, cooperate to counter a moment associated with one or more axial forces.

    摘要翻译: 本发明的某些实施例可以包括用于提供迷宫式密封的系统,方法和装置。 在一个示例性实施例中,提供了一种用于密封固定元件和涡轮机的旋转元件之间的流动路径的方法。 该方法可以包括在与涡轮机相关联的固定元件的内表面上设置至少一个固定装置; 将经由弹簧元件连接的填料环设置到所述固定装置,其中所述填料环包括至少一个孔; 并且根据预定的轮廓布置在所述密封环和所述旋转元件的中间的多个叉指填料环齿和转子齿; 其中所述孔,填料环齿和转子齿合作以抵抗与一个或多个轴向力相关联的力矩。

    Brush seal
    9.
    发明授权
    Brush seal 有权
    刷子密封

    公开(公告)号:US08328198B2

    公开(公告)日:2012-12-11

    申请号:US12898952

    申请日:2010-10-06

    IPC分类号: F16J15/44

    摘要: A brush seal and brush seal segment for use in a rotary device are provided. In one embodiment, the invention provides a brush seal comprising: a plurality of brush seal segments, each segment including: an arcuate fence; an arcuate backplate substantially circumferentially coextensive with the arcuate fence, the arcuate backplate including a first end and a second end; and a plurality of brush seal bristles between the arcuate backplate and the arcuate fence, the plurality of brush seal bristles being angled with respect to a radial axis of the arcuate backplate and at least one of the first end and the second end of the arcuate backplate; and a static member to which at least one of the plurality of brush seal segments is affixed.

    摘要翻译: 提供用于旋转装置的刷密封和刷密封段。 在一个实施例中,本发明提供了一种刷子密封件,其包括:多个刷子密封段,每个段包括:弓形围栏; 基本上与弓形围栏共同延伸的弓形背板,该弧形背板包括第一端和第二端; 以及在所述弓形背板和所述弧形挡板之间的多个刷密封刷毛,所述多个刷密封刷毛相对于所述弧形背板的径向轴线成角度,并且所述弓形背板的第一端和第二端中的至少一个 ; 以及固定所述多个刷子密封段中的至少一个的静止部件。

    SEAL ASSEMBLY INCLUDING PLATEAU AND CONCAVE PORTION IN MATING SURFACE FOR SEAL TOOTH IN TURBINE
    10.
    发明申请
    SEAL ASSEMBLY INCLUDING PLATEAU AND CONCAVE PORTION IN MATING SURFACE FOR SEAL TOOTH IN TURBINE 有权
    密封组件,包括用于在涡轮机中密封牙齿的表面中的板材和凹槽部分

    公开(公告)号:US20110285090A1

    公开(公告)日:2011-11-24

    申请号:US12782330

    申请日:2010-05-18

    申请人: Xiaoqing Zheng

    发明人: Xiaoqing Zheng

    IPC分类号: F01D11/02 F16J15/44

    摘要: A seal assembly for sealing a stationary component and a rotating component including a seal tooth mating surface for mating with a seal tooth, the seal tooth mating surface including a plateau portion for sealingly receiving the seal tooth during a steady-state operation of the seal assembly and a first concave portion adjacent to the plateau portion for receiving the seal tooth with a clearance during a first non-steady-state operation of the seal assembly, wherein the seal tooth is coupled to one of the stationary component and the rotating component and the seal tooth mating surface is coupled to the other of the stationary component and the rotating component.

    摘要翻译: 一种用于密封固定部件的密封组件和包括用于与密封齿配合的密封齿配合表面的旋转部件,密封齿配合表面包括用于在密封组件的稳态操作期间密封地接收密封齿的平台部分 以及与所述平台部分相邻的第一凹部,用于在所述密封组件的第一非稳态操作期间以间隙接收所述密封齿,其中所述密封齿与所述固定部件和所述旋转部件中的一个连接, 密封齿配合表面联接到固定部件和旋转部件中的另一个。