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1. 发明授权

US06925145B2 High speed digital radiographic inspection of piping 失效
标题翻译：高速数字射线检查管道
公开(公告)号：US06925145B2
公开(公告)日：2005-08-02
申请号：US10646279
申请日：2003-08-22
申请人： Thomas J. Batzinger , Brian W. Lasiuk , Peter Allison , Gregory A. Mohr , August D. Matula
发明人： Thomas J. Batzinger , Brian W. Lasiuk , Peter Allison , Gregory A. Mohr , August D. Matula
IPC分类号： G01N23/04 , G01N23/18 , G01B15/06
CPC分类号： G01N23/04 , G01N23/18
摘要： A system and method for high-speed radiographic inspection of fluid transport vessels in which a radiation source and a radiation detector are positioned on opposite sides of the outside surface of the vessel. A positioning system is provided for moving and locating the radiation source and radiation detector longitudinally with respect to the vessel and for moving the radiation source and radiation detector circumferentially with respect to the vessel. In operation, the positioning system causes the radiation source and radiation detector to spiral along the vessel in a coordinated manner while the radiation source illuminates an adjacent region of the vessel with radiation. The radiation is converted into corresponding electrical signals used to generate images of objects in the radiation path. Finally, an operator inspects the images for defects.
摘要翻译：一种用于流体输送容器的高速放射线检查的系统和方法，其中辐射源和辐射检测器位于容器的外表面的相对侧上。提供了一种定位系统，用于相对于容器纵向移动和定位辐射源和辐射探测器，并使辐射源和辐射探测器相对于容器周向移动。在操作中，定位系统使得辐射源和辐射检测器以协调的方式沿着容器螺旋，同时辐射源用辐射照射容器的相邻区域。辐射被转换为用于在辐射路径中产生物体的图像的相应的电信号。最后，操作员检查图像的缺陷。

2. 发明授权

US5519225A System and method for using a dual modality detector for inspecting objects 失效
标题翻译：使用双重模式检测器检查物体的系统和方法
公开(公告)号：US5519225A
公开(公告)日：1996-05-21
申请号：US317049
申请日：1994-10-03
申请人： Gregory A. Mohr , Robert S. Gilmore , Gerald B. Nightingale , Thomas W. Birdwell
发明人： Gregory A. Mohr , Robert S. Gilmore , Gerald B. Nightingale , Thomas W. Birdwell
IPC分类号： G01N23/05 , G01T1/185 , G01T3/00 , G01N23/09
CPC分类号： G01N23/05 , G01T1/185 , G01T3/00
摘要： A system and method for using the detector to differentiate neutron attenuating material from high x-ray attenuating material in an object. The inspection system is used to detect the presence of nitride in titanium sponge nuggets or residual core material in a hollow-cast turbine engine blades. The inspection system uses a dual radiation source to alternately emit neutrons and x-rays or gamma rays at the object under inspection. A dual modality gas ionization detector detects the radiation passing through the object and sends the detected radiation to a processing means for image generation. The generated image is displayed on a display, enabling objects formed with low and high attenuating material to be distinguished.
摘要翻译：一种使用该检测器将中子衰减材料与物体中的高X射线衰减材料区分开的系统和方法。检查系统用于检测中空铸造涡轮发动机叶片中的钛海绵块或残留芯材中的氮化物的存在。检查系统使用双重辐射源在被检查物体上交替发射中子和X射线或γ射线。双模式气体电离检测器检测通过物体的辐射，并将检测到的辐射发送到用于图像产生的处理装置。生成的图像被显示在显示器上，使得能够区分由低和高衰减材料形成的物体。

3. 发明授权

US5059800A Two dimensional mosaic scintillation detector 失效
标题翻译：二维马赛克闪烁检测器
公开(公告)号：US5059800A
公开(公告)日：1991-10-22
申请号：US687100
申请日：1991-04-19
申请人： Michael K. Cueman , Gregory A. Mohr , Dale M. Brown
发明人： Michael K. Cueman , Gregory A. Mohr , Dale M. Brown
IPC分类号： G01T1/20 , G01T1/202
CPC分类号： G01T1/202 , G01T1/2018
摘要： A two dimensional mosaic scintillation X-ray or Gamma ray detector has many mosaic elements. A reflecting means, e.g., an epoxy with TiO.sub.2, is disposed between the elements to reduce optical cross-talk. The elements have wide narrow ends and either the wide ends or the narrow ends can receive the incident X-rays. A photodetector is optically coupled to the remaining ends either by being directly secured thereto or by way of a lens or optical fibers. The detector has communicating wide and narrow grooves and can be made by first forming the wide grooves from a first side and then forming the narrow grooves from the second side.
摘要翻译：二维马赛克闪烁X射线或伽马射线检测器具有许多镶嵌元件。在这些元件之间设置反射装置，例如具有TiO 2的环氧树脂，以减少光学串扰。这些元件具有宽的窄端，宽端或窄端可以接收入射的X射线。光电检测器通过直接固定到其上或通过透镜或光纤光学耦合到剩余端。检测器具有沟通的宽而窄的沟槽，并且可以通过首先从第一侧形成宽槽，然后从第二侧形成窄槽来制造。

4. 发明授权

US5489781A Dual modality detector 失效
标题翻译：双模式检测器
公开(公告)号：US5489781A
公开(公告)日：1996-02-06
申请号：US317051
申请日：1994-10-03
申请人： Gregory A. Mohr , Robert S. Gilmore , Gerald B. Nightingale , Thomas W. Birdwell
发明人： Gregory A. Mohr , Robert S. Gilmore , Gerald B. Nightingale , Thomas W. Birdwell
IPC分类号： G01T1/185 , G01T3/00
CPC分类号： G01T1/185 , G01T3/00
摘要： A dual modality gas ionization detector for differentiating neutron attenuating material from high x-ray attenuating material in an object. The dual modality gas ionization detector uses .sup.3 He and Xe gases pressurized in an ionization chamber to detect neutrons x-rays or gamma rays. The dual modality gas ionization detector is used in an inspection system for detecting, characterizing, or differentiating small amounts of neutron attenuating materials in objects composed primarily of materials of large attenuating x-ray material.
摘要翻译：一种用于将中子衰减材料与物体中的高x射线衰减材料区分开的双重模态气体电离检测器。双模式气体电离检测器使用在电离室中加压的3He和Xe气体来检测中子的X射线或γ射线。双重模式气体电离检测器用于检测，表征或微分主要由大衰减X射线材料的材料组成的物体中的少量中子衰减材料的检测系统。

5. 发明授权

US5321358A Embedded NMR sensors for cure monitoring and control of composite structures 失效
标题翻译：用于固化监测和控制复合结构的嵌入式NMR传感器
公开(公告)号：US5321358A
公开(公告)日：1994-06-14
申请号：US24136
申请日：1993-03-01
申请人： Gregory A. Mohr , Michael K. Cueman , Mark S. Conradi
发明人： Gregory A. Mohr , Michael K. Cueman , Mark S. Conradi
IPC分类号： G01R33/31 , G01R33/44 , G01V3/00
CPC分类号： G01R33/31 , G01R33/44
摘要： Methods and apparatus for monitoring and controlling cure cycles of composite structures utilize specialized NMR sensor (14) embedded into critical regions in the interior of composite structures (18) to provide in-situ cure state information. Signals developed by the NMR sensors (14) during the curing cycle are processed by an NMR spectrometer (30) to determine selected NMR parameters including T.sub.1, T.sub.2, T.sub.1D, and T.sub.2 * of the materials in the vicinity of the sensor, from which the rigidity of the materials are deduced. Experimental data show clear trends in values of particular NMR parameters taken as time series during cure cycles. Cure cycle control is accomplished using output data from an enhanced NMR spectrometer (30*) to drive temperature and pressure controllers (38, 42) of a curing oven (20*) for real time process control.
摘要翻译：用于监测和控制复合结构固化周期的方法和装置利用嵌入到复合结构（18）内部的临界区域中的专门的NMR传感器（14）来提供原位固化状态信息。在固化循环期间由NMR传感器（14）开发的信号由NMR光谱仪（30）处理以确定选定的NMR参数，包括传感器附近的材料的T1，T2，T1D和T2 *，推导材料的刚性。实验数据显示在固化循环期间作为时间序列采集的特定NMR参数的值的明显趋势。使用来自增强型NMR光谱仪（30 *）的输出数据实现固化循环控制，以驱动用于实时过程控制的固化炉（20 *）的温度和压力控制器（38,42）。

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