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    • 6. 发明申请
    • ULTRASONIC PROBE
    • 超声探头
    • US20100064812A1
    • 2010-03-18
    • US12626859
    • 2009-11-27
    • Barry A. FetzerJames C. KennedyThomas E. RiechersFred D. Young
    • Barry A. FetzerJames C. KennedyThomas E. RiechersFred D. Young
    • G01N29/02
    • A61B8/14A61B8/4281G10K11/02
    • An ultrasonic probe includes a probe body having a contact surface and a cavity that is open at the contact surface, an ultrasonic transducer carried by the body, and a spacer within the cavity. The spacer has a first surface acoustically coupled to the transducer, and a second (coupling) surface within the cavity. The spacer propagates an acoustic signal between the transducer and the coupling surface. The coupling surface is spaced apart from the contact surface to form a recess within the body. The body further has at least one port for circulating a coupling fluid into the recess. Depth of the recess is selected to balance gravitational force on the coupling fluid versus surface tension of the coupling fluid so a bead of the fluid forms over an edge of a structure under inspection as the probe is moved over the edge.
    • 超声波探头包括具有接触表面和在接触表面处开口的空腔的探针体,由身体承载的超声换能器和腔内的间隔件。 间隔件具有声耦合到换能器的第一表面和腔内的第二(耦合)表面。 隔离器在换能器和耦合表面之间传播声信号。 联接表面与接触表面间隔开,以在主体内形成凹陷。 主体还具有用于使耦合流体循环到凹部中的至少一个端口。 选择凹槽的深度以平衡耦合流体上的重力与耦合流体的表面张力,因此当探针在边缘上移动时,流体的边缘形成在被检查结构的边缘上。
    • 9. 发明申请
    • ULTRASONIC INSPECTION APPARATUS, SYSTEM, AND METHOD
    • 超声波检查装置,系统和方法
    • US20090064787A1
    • 2009-03-12
    • US12263566
    • 2008-11-03
    • James C. KennedyMark L. LittleClyde T. Uyehara
    • James C. KennedyMark L. LittleClyde T. Uyehara
    • G01N29/04
    • G01N29/343G01N29/265G01N2291/044G01N2291/106
    • Improved apparatus, systems, and methods for inspecting a structure are provided that use a pedestal robot mounted on a rail system, a probe extension coupler, and an inspection probe capable of performing pulse echo ultrasonic inspection. A probe may also include sled appendages and an axial braking system to inspect over holes and off edges. A probe may also include an ultrasonic pulse echo transducer array for high rate inspection; the transducer array may be mounted in a bubbler shoe for individually coupling each of the transducers in the array. A rail system may also include an optical encoder for providing location information for the robot and axial braking system. A probe extension coupler presses the inspection probe against the structure for adjusting to changes in surface contours.
    • 提供改进的用于检查结构的装置,系统和方法,其使用安装在轨道系统上的基座机器人,探针延伸耦合器和能够执行脉冲回波超声波检查的检查探头。 探头还可以包括滑动附件和轴向制动系统,用于检查过孔和离开边缘。 探针还可以包括用于高速率检查的超声脉冲回波换能器阵列; 换能器阵列可以安装在起泡器中,用于单独地联接阵列中的每个换能器。 轨道系统还可以包括用于提供机器人和轴向制动系统的位置信息的光学编码器。 探针延长耦合器将检查探针压靠在结构上,以调整表面轮廓的变化。