会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明申请
    • METHOD FOR IDENTIFYING DEFECTIVE HEAT FUSION JOINTS
    • 识别缺陷热熔接头的方法
    • US20110146407A1
    • 2011-06-23
    • US12644056
    • 2009-12-22
    • James Emerson HueblerMaurice Givens
    • James Emerson HueblerMaurice Givens
    • G01N29/04
    • G01N29/07G01N29/0645G01N29/265G01N2291/0289
    • A method for characterizing a defect of a defective heat fusion joint connecting two pipe segments in which the time of flight of an ultrasonic waveform reflected off an exterior surface of a heat fusion joint fitting connecting the two pipe segments or reflected off an interior wall of one of the pipe segments at a plurality of locations around the circumference of the heat fusion joint fitting is measured to determine the minimum and maximum times of flight, which correspond to the maximum and minimum combined wall thicknesses of the heat fusion joint fitting connecting the pipe segments and the pipe segment wall. If the difference between the minimum and maximum combined wall thicknesses as determined from the measured times of flight is equal to or greater than a predetermined amount, then the heat fusion joint is defective and possibly unacceptable for use, requiring a second set of time-of-flight measurements to characterize the nature of the defect.
    • 一种用于表征连接两个管段的缺陷热熔接头的缺陷的方法,其中超声波波形的飞行时间从连接两个管段的热熔接头配件的外表面反射出或从一个内壁反射出来 测量在热熔接头配件的圆周周围的多个位置处的管段的最小和最大次数,其对应于连接管段的热熔接头配件的最大和最小组合壁厚度 和管段壁。 如果从测量的飞行时间确定的最小和最大组合壁厚之间的差异等于或大于预定量,则热熔接头是有缺陷的并且可能不可接受使用,需要第二组时间 -flight测量来表征缺陷的性质。
    • 10. 发明授权
    • Robust pipe-strike pulse detector
    • 坚固的打击脉冲探测器
    • US08050414B2
    • 2011-11-01
    • US12252903
    • 2008-10-16
    • Maurice Givens
    • Maurice Givens
    • G01M7/00
    • G01S15/88G01S7/527
    • A method for discriminating a noise pulse from a background noise in which a signal of interest is converted to an envelope signal using an entropy-based envelope generator, which envelope signal is then integrated over a plurality of consecutive integrative periods, producing an integrated envelope signal for each of the integration periods. The ratio of the envelope signal at the end of each of the integration periods corresponding to each corresponding said integrated envelope signal is determined and compared with a predetermined threshold signal for each of the integration periods, resulting in a comparison value. The integration period in which the comparison value exceeds the predetermined threshold signal and which is preceded by two integration periods in which the comparison value does not exceed the threshold value represents the point in time at which the noise pulse is detected.
    • 一种用于使用基于熵的包络发生器将感兴趣信号转换为包络信号的背景噪声区分噪声脉冲的方法,然后将该包络信号在多个连续积分周期上积分,产生积分包络信号 对于每个整合期间。 确定与每个对应的所述积分包络信号相对应的每个积分周期结束时的包络信号与每个积分周期的预定阈值信号的比率,得到比较值。 比较值超过预定阈值信号并且比较值未超过阈值的两个积分周期之前的积分周期表示检测噪声脉冲的时间点。