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1. 发明授权

US06608478B1 Rotor slot bottom inspection apparatus and method 失效
标题翻译：转子槽底检测装置及方法
公开(公告)号：US06608478B1
公开(公告)日：2003-08-19
申请号：US10011190
申请日：2001-12-07
申请人： Michael Leonard Dziech , Joseph Anthony Traxler , Michael Wayne Fields
发明人： Michael Leonard Dziech , Joseph Anthony Traxler , Michael Wayne Fields
IPC分类号： G01N2790
CPC分类号： G01N27/902
摘要： A rotor disk is inspected using an inspection apparatus including an inspection fixture which has a base, and at least one guide extending from the base. Each guide is slidably engagable to one of the rotor slots of the rotor disk and has a guide side shaped to slidably conform to the rotor slot side, and a guide bottom having a guide bottom surface which, in combination with a slot bottom surface, defines an elongated inspection cavity extending parallel to the axis of revolution of the rotor disk. The inspection fixture is mated to the rotor disk such that each guide slides into one of the rotor slots. A sensor apparatus includes a sensor, such as an eddy current sensor, sized to slide into the inspection cavity with a close facing relation thereto, and a sensor drive that moves the sensor parallel to a direction of elongation of the inspection cavity. Inspection is performed by inserting the sensor into the inspection cavity, and sensing the rotor slot bottom using the sensor.
摘要翻译：使用包括具有基座的检查夹具和从基部延伸的至少一个引导件的检查装置检查转子盘。每个引导件可滑动地接合到转子盘的一个转子槽中，并且具有形状为可滑动地配合转子槽侧的引导侧，以及具有引导底面的引导底面，引导底面与狭槽底面结合延伸的检查腔平行于转子盘的旋转轴延伸。检查夹具与转子盘匹配，使得每个引导件滑入转子槽中的一个。传感器装置包括诸如涡电流传感器的传感器，其尺寸设置成与其紧密关系地滑入检查腔;以及传感器驱动器，其将传感器平行于检查腔的伸长方向移动。通过将传感器插入检查腔，并使用传感器感测转子槽底部来进行检查。

2. 发明申请

US20080278151A1 SYSTEM AND METHODS FOR INSPECTING INTERNAL CRACKS 审中-公开
标题翻译：检查内部裂缝的系统和方法
公开(公告)号：US20080278151A1
公开(公告)日：2008-11-13
申请号：US11745122
申请日：2007-05-07
申请人： Changting Wang , Shridhar Champaknath Nath , Weston Blaine Griffin , Michael Wayne Fields , Darren Lee Hallman , Abdul Rahman Abdallah Al-Khalidy
发明人： Changting Wang , Shridhar Champaknath Nath , Weston Blaine Griffin , Michael Wayne Fields , Darren Lee Hallman , Abdul Rahman Abdallah Al-Khalidy
IPC分类号： G01N27/90 , G01R33/14
CPC分类号： G01N27/9046 , G01N27/902
摘要： A method for inspecting an internal cavity in a part is provided. The method includes inserting a probe into the internal cavity. The method also includes controlling movement of the probe using a defined scan path to scan the probe over a region of interest in the internal cavity. The method also includes applying multiple multifrequency excitation signals to the probe to generate a number of multifrequency response signals. The multifrequency excitation signals are applied at multiple positions within the internal cavity. The method further includes performing a multifrequency phase analysis on the multifrequency response signals to inspect the internal cavity.
摘要翻译：提供了用于检查零件中的内部空腔的方法。该方法包括将探针插入内腔。该方法还包括使用限定的扫描路径控制探针的移动，以在内腔中的感兴趣区域上扫描探针。该方法还包括将多个多频激励信号应用于探针以产生多个多频响应信号。多频激励信号被施加在内腔内的多个位置处。该方法还包括对多频响应信号执行多频相分析以检查内腔。

3. 发明授权

US06972561B2 Internal eddy current inspection 有权
标题翻译：内部涡流检测
公开(公告)号：US06972561B2
公开(公告)日：2005-12-06
申请号：US10376517
申请日：2003-02-28
申请人： Michael Wayne Fields , Michael Leonard Dziech , Jon Russel Dierdorf , Anthony William Mellors , James Michael Johnson
发明人： Michael Wayne Fields , Michael Leonard Dziech , Jon Russel Dierdorf , Anthony William Mellors , James Michael Johnson
IPC分类号： G01N27/90 , G01N27/72
CPC分类号： G01N27/902
摘要： An eddy current inspection apparatus includes a holder for a specimen, a holder for an eddy current probe, and an eddy current instrument operatively joined thereto. The probe holder includes carriages for translating the probe along first and second axes. The probe holder is selectively moved to align the probe with an internal channel of the specimen for sliding movement therealong to conduct eddy current inspection thereof.
摘要翻译：涡流检查装置包括用于试样的保持器，用于涡流探针的保持器和可操作地连接到其上的涡流仪器。探头支架包括用于沿着第一和第二轴平移探头的滑架。选择性地移动探头支架以使探针与样品的内部通道对准，以便沿着其滑动运动以进行涡流检查。

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