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    • 2. 发明授权
    • Convenient ultrasonic inspection device
    • 方便的超声波检测装置
    • US07562576B2
    • 2009-07-21
    • US11608018
    • 2006-12-07
    • Barry A. FetzerJeffrey R. KollgaardClyde T. Uyehara
    • Barry A. FetzerJeffrey R. KollgaardClyde T. Uyehara
    • G01N29/04
    • G01N29/30G01N29/0645G01N2291/0231G01N2291/048
    • An ultrasonic transducer device is pressed against the front surface of a structure, emits an ultrasonic pulse into the structure, and detects an echo profile from the structure. An indicator is activated if the echo profile includes a return pulse that at least is received from between the front surface and the back surface of the structure. An ultrasonic transducer device includes an ultrasonic transducer and a coupling element coupled to the transducer for disposition between the transducer and a surface of a structure. The coupling element serves as a delay line that allows time for quiescence in the transducer so that return pulses from shallow depths can be detected. The ultrasonic transducer is activated when multiple switches are pressed against a surface thus assuring both firm coupling and perpendicular disposition of the acoustic axis of the transducer relative to the surface.
    • 将超声波换能器按压在结构的前表面上,将超声波脉冲发射到该结构中,并从结构中检测回波曲线。 如果回波曲线包括至少从结构的前表面和后表面之间接收到的返回脉冲,则指示器被激活。 超声波换能器装置包括超声波换能器和联接到换能器的耦合元件,用于配置在换能器和结构的表面之间。 耦合元件用作延迟线,其允许在换能器中静止的时间,使得可以检测来自浅深度的返回脉冲。 当多个开关被按压在表面上时,超声换能器被激活,从而确保换能器的声轴相对于表面的牢固耦合和垂直布置。
    • 10. 发明授权
    • Translatable ultrasonic thermography inspection apparatus and method
    • 可翻译超声波热成像检测仪器及方法
    • US07119338B2
    • 2006-10-10
    • US10776623
    • 2004-02-12
    • Jeffrey G. ThompsonClyde T. Uyehara
    • Jeffrey G. ThompsonClyde T. Uyehara
    • G01J5/02
    • G01N25/72G01N2291/02827G01N2291/02881
    • A portable thermal imaging apparatus uses an ultrasonic acoustical source and an infrared camera to examine a flat or curved specimen such as the surface of the fuselage of an aircraft for defects such as subsurface disbonds, delaminations, cracks, corrosion, embedded contaminants, inclusions, and voids. The apparatus includes a base framework removably attachable to the specimen by a set of vacuum cups and a pair of guide rails along which the imaging apparatus can travel to allow multiple images to be captured without relocating the apparatus on the specimen. The acoustical signal from the ultrasonic source sweeps over a range of frequencies in order to excite defects of greatly differing size to exhibit local heating.
    • 便携式热成像装置使用超声波声源和红外摄像机来检查平面或弯曲的样本,例如飞机机身表面的缺陷,例如地下脱粘,脱层,裂纹,腐蚀,嵌入的污染物,夹杂物和 空隙。 该装置包括通过一组真空杯和一对导轨可移除地附接到样本的基座框架,成像装置沿着该导轨可以行进以允许捕获多个图像,而不会将装置重新定位在样本上。 来自超声波源的声学信号扫过频率范围,以便激发大小不同的缺陷以展示局部加热。