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    • 2. 发明授权
    • Embedded NMR sensors for cure monitoring and control of composite
structures
    • 用于固化监测和控制复合结构的嵌入式NMR传感器
    • US5321358A
    • 1994-06-14
    • US24136
    • 1993-03-01
    • Gregory A. MohrMichael K. CuemanMark S. Conradi
    • Gregory A. MohrMichael K. CuemanMark S. Conradi
    • G01R33/31G01R33/44G01V3/00
    • G01R33/31G01R33/44
    • 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.
    • 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)。
    • 6. 发明授权
    • Microfocus X-ray tube with optical spot size sensing means
    • 具有光斑尺寸感应装置的微焦X射线管
    • US4979199A
    • 1990-12-18
    • US429743
    • 1989-10-31
    • Michael K. CuemanLewis J. Thomas, IIICasmir R. TrzaskosAugust D. MatulaMichael J. Austin
    • Michael K. CuemanLewis J. Thomas, IIICasmir R. TrzaskosAugust D. MatulaMichael J. Austin
    • G01B15/00H01J35/02H01J35/14H05G1/26H05G1/36H05G1/52
    • H05G1/26H01J35/14H05G1/36H05G1/52
    • A microfocus X-ray tube has an anode that emits X-rays and, a biproduct of its waste heat, visible and near infrared light. This invention uses the biproduct light to adjust and maintain the focus of the electron beam and enhance the performance of the X-ray tube as a point source of X-rays. Only the light is reflected by a mirror along a path in which a viewport is placed in the tube envelope. An sensor, e.g., a photodiode, or television camera, is placed in the path. A display means, e.g., a television display, meter, etc., can be connected to the sensing means to display the emitting spot of the anode or the amplitude of the emission. The focus of the X-ray tube is assured by observing the biproduct light and adjusting the electron beam to either minimize the size of the glowing spot or maximizing its apparent brightness. A method for use with an emitter of first and second types of radiation comprises reflecting only the second type of radiation, and sensing the reflected radiation. A microfocus X-ray tube features a mirror for reflecting light but not X-rays. A viewport such as quartz can be disposed in the path of the reflected light in the tube envelope.
    • 微焦点X射线管具有发射X射线的阳极和其余热的可见光和近红外光的二次产物。 本发明使用双色光调节和保持电子束的焦点,并增强作为X射线点的X射线管的性能。 只有光沿着视口被放置在管外壳中的路径被反射镜反射。 诸如光电二极管或电视摄像机的传感器被放置在路径中。 诸如电视显示器,仪表等的显示装置可以连接到感测装置以显示阳极的发射点或发射的幅度。 通过观察二元光并调整电子束来确保X射线管的焦点,以使发光斑点的尺寸最小化或使其表观亮度最大化。 用于第一和第二类型辐射的发射器的方法包括仅反射第二类型的辐射并且感测反射的辐射。 微焦点X射线管具有用于反射光而不是X射线的反射镜。 诸如石英的视口可以设置在管外壳中的反射光的路径中。
    • 7. 发明授权
    • Apparatus for aiming transducer in ultrasonic gauge
    • 用于将换能器瞄准超声波量规的装置
    • US5235858A
    • 1993-08-17
    • US908208
    • 1992-07-02
    • Michael K. CuemanGeorge C. SogoianJohn J. KaehlerPaul B. Tuck
    • Michael K. CuemanGeorge C. SogoianJohn J. KaehlerPaul B. Tuck
    • G01N29/22G10K11/00
    • G10K11/004G01N29/223
    • An apparatus and method for aiming an ultrasonic transducer is disclosed. A tubular member having an axial bore with the transducer extending therein has an upper section, and a lower section with a threaded outer surface and an inner receiving surface. A ferrule assembly includes a compression nut mating with the threaded surface, and a ferrule biased by the compression nut against the receiving surface to form a waterproof seal with the transducer. A collar having a first annular section is detachably mounted coaxially on the tubular member. The first annular section extending to a second annular section having cut-outs suitable for providing access to manipulate the compression nut. The second annular section extending to a third annular section having a positioning members facing a section of the transducer extending from the tubular member.
    • 公开了一种用于瞄准超声波换能器的装置和方法。 具有其中延伸有换能器的轴向孔的管状构件具有上部部分和具有螺纹外表面和内部接纳表面的下部部分。 套圈组件包括与螺纹表面配合的压缩螺母,以及由压缩螺母抵靠接收表面偏置的套圈,以与换能器形成防水密封。 具有第一环形部分的套环可同轴地可拆卸地安装在管状构件上。 第一环形部分延伸到具有适于提供进入以操纵压缩螺母的切口的第二环形部分。 第二环形部分延伸到第三环形部分,其具有面向从管状部件延伸的换能器的部分的定位部件。
    • 8. 发明授权
    • Method for controlling the manufacture of zirconium tubes
    • 控制锆管制造的方法
    • US5101366A
    • 1992-03-31
    • US451665
    • 1989-12-18
    • Michael K. CuemanFrederick C. Schoenig, Jr.Kurt D. EllisJames D. Landry
    • Michael K. CuemanFrederick C. Schoenig, Jr.Kurt D. EllisJames D. Landry
    • B21B21/00G01N27/90G01N29/00G01N29/04
    • G01N29/048G01N27/9026B21B21/005Y10T29/53022
    • A method for operating a computer to control the manufacture process of zirconium tubes in a pilger mill operation, the computer including an electronic memory and being coupled to the pilger mill to receive, as input, data related to the operation of the mill. The method comprising, in one embodiment, the steps of storing in the computer memory respective test signals, each test signal corresponding to a signal obtained by inspecting a tube manufactured by the mill with a respective, known defective operation condition, inspecting a zirconium tube finished by the manufacture process and generating a signal representative of the physical dimensions and material configuration of the tube, comparing the generated representative signal of the zirconium tube with the stored test signals, alerting an operator if the generated representative signal of the zirconium tube correlates to a stored test signal, and identifying the defective operation condition which corresponds to the correlated stored test signal.
    • 一种用于操作计算机以控制打包机操作中的锆管的制造过程的方法,所述计算机包括电子存储器并且耦合到所述打孔机以接收与所述研磨机的操作有关的数据作为输入。 在一个实施例中,该方法包括以下步骤:在计算机存储器中存储相应的测试信号,每个测试信号对应于通过用相应的已知缺陷操作条件检查由研磨机制造的管获得的信号,检查完成的锆管 通过制造过程并产生代表管的物理尺寸和材料构造的信号,将锆管的生成的代表信号与存储的测试信号进行比较,如果锆管的产生的代表信号与一个 存储测试信号,以及识别与相关的存储的测试信号相对应的故障操作条件。
    • 9. 发明授权
    • Carbon dioxide monitoring of composites
    • 二氧化碳监测复合材料
    • US4826770A
    • 1989-05-02
    • US100398
    • 1987-09-24
    • Michael K. Cueman
    • Michael K. Cueman
    • G01N17/00G01N25/00G01N31/00G01N30/02G01N31/12
    • G01N25/00G01N17/00
    • Coated carbon composite parts to be tested for oxidation resistance are heated in a closed oven filled with an oxidizing atmosphere. During the heat cycle the carbon dioxide content of the oven atmosphere is measured by an analyzer such as a gas chromatograph. These measurements on the amount of CO.sub.2 emitted by the part provide information on the onset of oxidative failure. It forms a nondestructive test when detection of excessive carbon dioxide concentration is used to reduce the temperature and flood the oven with inert gas so the part may be saved and reprocessed. This technique can be combined with conventional weight measurements before and after oxidation to identify the part constituent, carbon composite or protective coating, that failed.
    • 被测试的耐氧化性的涂覆碳复合材料部件在填充有氧化气氛的封闭的炉子中加热。 在热循环期间,通过诸如气相色谱仪的分析仪测量烘箱气氛的二氧化碳含量。 这些关于该部分排放的二氧化碳量的测量提供了关于氧化失效发生的信息。 当使用过量的二氧化碳浓度检测来降低温度并用惰性气体淹没炉子时,它形成非破坏性测试,因此可以节省和再处理该部件。 这种技术可以与氧化之前和之后的常规重量测量结合,以识别失败的部件成分,碳复合材料或保护涂层。