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1. 发明申请

US20080174307A1 Apparatus and Method for Second-Layer Through-Bushing Inspection of Aircraft Wing Attachment Fittings Using Electric Current Perturbation 有权
标题翻译：使用电流扰动的飞机机翼附件配件第二层穿套管检查的装置和方法
公开(公告)号：US20080174307A1
公开(公告)日：2008-07-24
申请号：US11852247
申请日：2007-09-07
申请人： Clinton J. THWING , Gary L. BURKHARDT
发明人： Clinton J. THWING , Gary L. BURKHARDT
IPC分类号： G01N27/87
CPC分类号： G01N27/87
摘要： A device and methods for using the device, that permit the rapid and accurate inspection of aircraft wing attachment fittings, including those wing to fuselage attachments modified according to a Structural Life Extension Program (SLEP). Such aircraft life extension programs often result in the placement of fitting stack-up components that tend to challenge the ability of standard inspection sensors and techniques to achieve accurate readings. A specially designed, contact compliant, Electric Current Perturbation (ECP) probe is used. The ECP probe positions a receive coil in conjunction with a drive coil (and its ferrite core) in a manner that minimizes steel interferences in the inspection area. The ECP probe works with conventional eddy current instrumentation with an index scanner to allow for flaw location within a particular stack-up layer and/or within the area around the attachment aperture. Data acquired through the use of the system and method of the present invention allows for the rapid discernment of flaws and defects in the area adjacent the probe placement.
摘要翻译：一种用于使用该装置的装置和方法，其允许快速和准确地检查飞机机翼附件配件，包括根据结构寿命延长计划（SLEP）修改的机翼到机身附件。这样的飞机寿命延长程序通常会导致安装组合件倾向于挑战标准检测传感器和技术的能力来实现准确的读数。使用特殊设计的接触式电流扰动（ECP）探头。 ECP探头将接收线圈与驱动线圈（及其铁氧体磁芯）结合起来，以最小化检查区域中的钢铁干扰。 ECP探头与常规的涡流仪器一起使用索引扫描器，以允许在特定堆叠层内和/或附件孔周围的区域内的缺陷位置。通过使用本发明的系统和方法获得的数据允许快速识别与探针放置相邻的区域中的缺陷和缺陷。

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