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    • 8. 发明申请
    • Methods of Forming Density-Matched Polymer Slurries
    • 形成密度匹配聚合物浆料的方法
    • US20110070367A1
    • 2011-03-24
    • US12959161
    • 2010-12-02
    • Thomas J. MartinLu Chien Chou
    • Thomas J. MartinLu Chien Chou
    • B05D5/00
    • C08L23/0892C08J3/11C08L23/04C08L23/10C08L91/06C08L2666/06
    • Polymer slurries of ultrahigh molecular weight polyalpha-olefins are made stable toward settling, separation and agglomeration by surface treatment with a combination of wax and optional relatively high-density particulates. The selection of the surface coating acts not only as an anti-blocking agent, or partitioning aid to keep the tacky polymer particles separated, but also provides the suspended polymer particle with a density that matches the carrier. This prevents separation of the slurry components over time. Such materials, ultimately used as pipeline additives to reduce the fluid drag and increase the volumetric throughput, can be stored and shipped for extended periods of time without degradation of the slurry quality. Upon injection into the pipeline, the polymer particle dissolves quickly, unhindered by the coating.
    • 超高分子量聚α-烯烃的聚合物浆料通过用蜡和任选的相对高密度颗粒的组合的表面处理而稳定地沉降,分离和附聚。 表面涂层的选择不仅用作防粘剂或分隔助剂以保持粘性聚合物颗粒分离,而且还提供具有与载体匹配的密度的悬浮聚合物颗粒。 这样可以防止淤浆组分随时间分离。 最终用作管道添加剂以减少流体阻力并增加体积通量的这种材料可以长时间储存​​和运输而不降低浆料质量。 注入管道后,聚合物颗粒快速溶解,不受涂层的阻碍。
    • 9. 发明授权
    • Inverse thermal acoustic imaging part inspection
    • 逆热成像部件检测
    • US07549339B2
    • 2009-06-23
    • US11515610
    • 2006-09-05
    • Alexander StaroselskyThomas J. MartinCarroll V. SidwellZhong OuyangKevin D. Smith
    • Alexander StaroselskyThomas J. MartinCarroll V. SidwellZhong OuyangKevin D. Smith
    • G01N29/04G01N25/72
    • G01N25/72
    • A method of identifying a flaw in a part is provided that includes vibrating a part to induce heat. The heat originates in any flaws in the part. A thermal image is obtained using, for example, an infrared camera. A mathematical representation of the thermophysics, such as the heat conduction or thermal energy equations using the boundary element method or finite element method is used to identify a source and an intensity of the heat identified with the thermal image. Using the source and intensity of the heat, flaw characteristics for the part can be determined. The method is employed using an inspection system that includes a vibration device for vibrating the part. An imaging device, such as an infrared camera, measures temperature on the surface of the part. An assumption is made or additional measurements are taken to obtain values for surface flux or surface heat transfer coefficients. A processor communicates with the imaging device for receiving the surface temperature. The processor includes computer memory having part characteristics and mathematical equations. The processor uses the measured surface temperature, assumed or measured heat flux or heat transfer coefficients, part characteristics and mathematical equations to determine the flaw characteristics in the part.
    • 提供了识别部件中的缺陷的方法,其包括振动部件以引起热量。 热量起源于部件的任何缺陷。 使用例如红外线照相机获得热图像。 使用热物理学的数学表示法,例如使用边界元法的热传导或热能方程或有限元方法来识别用热图像识别的热源和强度。 使用热量的来源和强度,可以确定零件的缺陷特性。 该方法采用包括用于使部件振动的振动装置的检查系统。 诸如红外照相机的成像装置测量部件表面上的温度。 进行假设或进行额外的测量以获得表面通量或表面传热系数的值。 处理器与成像装置通信以接收表面温度。 处理器包括具有部件特性和数学方程式的计算机存储器。 处理器使用测量的表面温度,假设或测量的热通量或传热系数,部件特性和数学方程来确定部件中的缺陷特性。