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    Inspection method using penetrant and dielectrometer
    1.
    发明授权
    Inspection method using penetrant and dielectrometer 失效
    使用渗透剂和电导率计的检验方法

    公开(公告)号：US06781387B2

    公开(公告)日：2004-08-24

    申请号：US10225406

    申请日：2002-08-20

    申请人： Neil J. Goldfine ,  Darrell E. Schlicker ,  Markus Zahn ,  Wayne D. Ryan ,  Ian C. Shay ,  Andrew Washabaugh

    发明人： Neil J. Goldfine ,  Darrell E. Schlicker ,  Markus Zahn ,  Wayne D. Ryan ,  Ian C. Shay ,  Andrew Washabaugh

    IPC分类号： G01R2726

    CPC分类号： G01V3/088 ,  G01V3/104

    摘要： Described is an inspection method for detecting defects in dielectic test materials using a penetrant material and a dielectric sensor. The penetrant material provides differing dielectric properties from test material and improves the dielectric contrast between defects substantially filled by the penetrant and the test material. The penetrant can be a liquid, such as water, or a powder, as long as it provides a substantially different complex permittivity than the test material.

    摘要翻译： 描述了使用渗透材料和电介质传感器检测介电试验材料中的缺陷的检查方法。 渗透材料提供与测试材料不同的介电性能，并改善基本上由渗透剂填充的缺陷和测试材料之间的介电对比度。 渗透剂可以是液体，例如水或粉末，只要其提供与测试材料基本上不同的复介电常数即可。

    Magnetometer with waveform shaping
    3.
    发明授权
    Magnetometer with waveform shaping 失效
    具有波形整形的磁力计

    公开(公告)号：US6144206A

    公开(公告)日：2000-11-07

    申请号：US3390

    申请日：1998-01-06

    申请人： Neil J. Goldfine ,  Darrell E. Schlicker ,  Markus Zahn ,  Wayne D. Ryan

    发明人： Neil J. Goldfine ,  Darrell E. Schlicker ,  Markus Zahn ,  Wayne D. Ryan

    IPC分类号： G01V3/08 ,  G01V3/10 ,  G01R33/12

    CPC分类号： G01V3/088 ,  G01V3/104

    摘要： A detection apparatus discriminates between metallic mines and other buried objects by detecting the depth of the object, the size, the shape and the orientation of the object and the electrical properties of the object. A magnetometer sensor detects objects containing metal located below the surface of the ground. This apparatus has a plurality of parallel, spaced linear conductor sets disposed in proximity to the ground. The conductor sets have varying numbers of individual conductors. An electromagnetic field is imposed in the ground with a dominant spatial wavelength through the conductor elements. A resulting electromagnetic response of the object in the ground to the imposed magnetic field is sensed.

    摘要翻译： 检测装置通过检测物体的深度，物体的尺寸，形状和取向以及物体的电特性来区分金属矿和其他埋藏物体。 磁力计传感器检测包含位于地面以下的金属的物体。 该装置具有多个平行的间隔开的线性导体组，其布置在靠近地面的位置。 导体组具有不同数量的单个导体。 电磁场通过导体元件施加在具有主要空间波长的地面中。 感测到物体在地面中对施加的磁场产生的电磁响应。

    Methods for processing, optimization, calibration and display of measured dielectrometry signals using property estimation grids
    4.
    发明授权
    Methods for processing, optimization, calibration and display of measured dielectrometry signals using property estimation grids 有权
    使用属性估计网格处理，优化，校准和显示测量的介电电位信号的方法

    公开(公告)号：US06380747B1

    公开(公告)日：2002-04-30

    申请号：US09310507

    申请日：1999-05-12

    申请人： Neil J. Goldfine ,  Markus Zahn ,  Alexander V. Mamishev ,  Darrell E. Schlicker ,  Andrew P. Washabaugh

    发明人： Neil J. Goldfine ,  Markus Zahn ,  Alexander V. Mamishev ,  Darrell E. Schlicker ,  Andrew P. Washabaugh

    IPC分类号： G01R2908

    CPC分类号： G01R27/2623

    摘要： A method is disclosed for processing, optimization, calibration, and display of measured dielectrometry signals. A property estimator is coupled by way of instrumentation to an electrode structure and translates sensed electromagnetic responses into estimates of one or more preselected properties or dimensions of the material, such as dielectric permittivity and ohmic conductivity, layer thickness, or other physical properties that affect dielectric properties, or presence of other lossy dielectric or metallic objects. A dielectrometry sensor is disclosed which can be connected in various ways to have different effective penetration depths of electric fields but with all configurations having the same air-gap, fluid gap, or shim lift-off height, thereby greatly improving the performance of the property estimators by decreasing the number of unknowns. The sensor geometry consist of a periodic structure with, at any one time, a single sensing element that provides for multiple wavelength within the same sensor footprint.

    摘要翻译： 公开了一种用于处理，优化，校准和显示测量的电导率信号的方法。 属性估计器通过仪器耦合到电极结构，并将感测到的电磁响应转换成材料的一个或多个预选属性或尺寸的估计，例如介电常数和欧姆电导率，层厚度或影响电介质的其它物理性质 性质或其他有损电介质或金属物体的存在。 公开了一种电介质传感器，其可以以各种方式连接以具有不同的有效穿透深度的电场，但是所有构造具有相同的气隙，流体间隙或垫片剥离高度，从而大大提高了性能的性能 通过减少未知数的估计。 传感器几何形状由周期性结构组成，在任何时间，单个传感元件可在同一传感器覆盖区内提供多个波长。

    Test circuit with sense elements having associated and unassociated primary windings
    5.
    发明授权
    Test circuit with sense elements having associated and unassociated primary windings 有权
    具有感应元件的测试电路具有相关联和未相关的初级绕组

    公开(公告)号：US08222897B2

    公开(公告)日：2012-07-17

    申请号：US12157719

    申请日：2008-06-12

    申请人： Yanko K. Sheiretov ,  Neil J. Goldfine ,  Todd M. Dunford ,  Scott A. Denenberg ,  David C. Grundy ,  Darrell E. Schlicker ,  Andrew P. Washabaugh ,  Karen E. Walrath

    发明人： Yanko K. Sheiretov ,  Neil J. Goldfine ,  Todd M. Dunford ,  Scott A. Denenberg ,  David C. Grundy ,  Darrell E. Schlicker ,  Andrew P. Washabaugh ,  Karen E. Walrath

    IPC分类号： G01R33/12 ,  G01N27/72 ,  G01N27/90 ,  G01B7/24

    CPC分类号： G01L3/105 ,  G01L1/125 ,  G01L1/127 ,  G01L3/102 ,  G01L5/164

    摘要： An apparatus for the nondestructive measurement of materials that includes at least two layers of electrical conductors. Within each layer, a meandering primary winding is used to create a magnetic field for interrogating a test material while sense elements or conducting loops within each meander provide a directional measurement of the test material condition in different orientations without requiring movement of the test circuit or apparatus. In a bidirectional implementation the meanders are oriented 90° apart while in a quadridirectional implementation the meanders are orientated at −45, 0, 45, and 90°. Multidirectional permeability measurements are used to assess the stress or torque on a component. These measurements are combined in a manner that removes temperature effects and hysteresis on the property measurements. This can be accomplished through a correction factor that accounts for the temperature dependence. After the correction, the permeability measurement is then used to assess the local stresses and strains in the material of interest.

    摘要翻译： 一种用于对包括至少两层电导体的材料的非破坏性测量的装置。 在每个层内，使用曲折的初级绕组来产生用于询问测试材料的磁场，同时每个曲折中的感测元件或导电环路以不同方向提供测试材料状况的方向测量，而不需要测试电路或设备的移动 。 在双向实施中，蜿蜒相隔90°，而在四向实施中，蜿蜒方向定位在-45°，0°，45°和90°。 多向磁导率测量用于评估组件上的应力或扭矩。 这些测量结合在一起，可以消除属性测量的温度影响和滞后。 这可以通过考虑温度依赖性的校正因子来实现。 在校正之后，然后使用渗透性测量来评估感兴趣的材料中的局部应力和应变。

    Material Condition Assessment with Eddy Current Sensors
    6.
    发明申请
    Material Condition Assessment with Eddy Current Sensors 有权
    涡流传感器材料条件评估

    公开(公告)号：US20100026285A1

    公开(公告)日：2010-02-04

    申请号：US12484761

    申请日：2009-06-15

    申请人： Neil J. Goldfine ,  Andrew P. Washabaugh ,  Yanko K. Sheiretov ,  Darrell E. Schlicker ,  Robert J. Lyons ,  Mark D. Windoloski ,  Christopher A. Craven ,  Vladimir B. Tsukernik ,  David C. Grundy

    发明人： Neil J. Goldfine ,  Andrew P. Washabaugh ,  Yanko K. Sheiretov ,  Darrell E. Schlicker ,  Robert J. Lyons ,  Mark D. Windoloski ,  Christopher A. Craven ,  Vladimir B. Tsukernik ,  David C. Grundy

    IPC分类号： G01R33/12

    CPC分类号： G01N27/9046

    摘要： Eddy current sensors and sensor arrays are used for process quality and material condition assessment of conducting materials. In an embodiment, changes in spatially registered high resolution images taken before and after cold work processing reflect the quality of the process, such as intensity and coverage. These images also permit the suppression or removal of local outlier variations. Anisotropy in a material property, such as magnetic permeability or electrical conductivity, can be intentionally introduced and used to assess material condition resulting from an operation, such as a cold work or heat treatment. The anisotropy is determined by sensors that provide directional property measurements. The sensor directionality arises from constructs that use a linear conducting drive segment to impose the magnetic field in a test material. Maintaining the orientation of this drive segment, and associated sense elements, relative to a material edge provides enhanced sensitivity for crack detection at edges.

    摘要翻译： 涡流传感器和传感器阵列用于导电材料的工艺质量和材料状况评估。 在一个实施例中，在冷加工处理之前和之后拍摄的空间注册的高分辨率图像的变化反映了过程的质量，例如强度和覆盖。 这些图像还允许抑制或去除局部异常值变化。 可以有意地引入材料性质的各向异性，例如磁导率或电导率，以用于评估由诸如冷加工或热处理之类的操作引起的材料状况。 各向异性由提供定向性质测量的传感器确定。 传感器方向性来自使用线性传导驱动段将磁场施加在测试材料中的结构。 维持该驱动段和相关感测元件相对于材料边缘的方向为边缘处的裂纹检测提供了增强的灵敏度。

    Surface mounted sensor arrays having segmented primary windings
    7.
    发明授权
    Surface mounted sensor arrays having segmented primary windings 有权
    具有分段初级绕组的表面安装传感器阵列

    公开(公告)号：US07589526B2

    公开(公告)日：2009-09-15

    申请号：US11807873

    申请日：2007-05-30

    申请人： Neil J. Goldfine ,  Darrell E. Schlicker ,  Karen E. Walrath ,  Andrew P. Washabaugh

    发明人： Neil J. Goldfine ,  Darrell E. Schlicker ,  Karen E. Walrath ,  Andrew P. Washabaugh

    IPC分类号： G01N27/72 ,  G01N27/82 ,  G01R33/12

    CPC分类号： G01N27/72 ,  G01B7/24 ,  G01B7/34 ,  G01N27/90 ,  G01N27/902 ,  G01R33/12

    摘要： One of the issues with planar eddy-current sensors is the placement of the current return for the primary winding. Often the ends of the primary winding are spatially distant from one another, which creates an extraneous and large inductive loop that can influence the measurements. A sensor geometry featuring a primary winding that reduces the effect of this inductive loop is presented. The primary winding may include a plurality of parallel extended winding segments. The segments further include adjacent individual drive coils. Current flows through individual drive coils in an alternating fashion. Current flows through adjacent drive coil portions in a common direction, thereby imposing a spatially periodic magnetic field with at least two periods.

    摘要翻译： 平面涡流传感器的一个问题是放置初级绕组的电流回报。 通常，初级绕组的端部在空间上彼此远离，这产生可影响测量的外部和大的感应回路。 提出了一种具有初级绕组的传感器几何形状，可以降低该感应回路的影响。 初级绕组可以包括多个平行延伸的绕组段。 这些段还包括相邻的单独的驱动线圈。 电流以交替的方式流过各个驱动线圈。 电流沿相同的方向流过相邻的驱动线圈部分，由此在至少两个周期内施加空间周期的磁场。

    Method for verifying sensor condition
    8.
    发明授权
    Method for verifying sensor condition 有权
    检测传感器状况的方法

    公开(公告)号：US07348771B2

    公开(公告)日：2008-03-25

    申请号：US11522628

    申请日：2006-09-18

    申请人： Neil J. Goldfine ,  Darrell E. Schlicker ,  Karen E. Walrath ,  Andrew P. Washabaugh ,  Vladimir A. Zilberstein ,  Vladimir Tsukemik

    发明人： Neil J. Goldfine ,  Darrell E. Schlicker ,  Karen E. Walrath ,  Andrew P. Washabaugh ,  Vladimir A. Zilberstein ,  Vladimir Tsukemik

    IPC分类号： G01N27/82

    CPC分类号： G01N27/72 ,  G01B7/24 ,  G01B7/34 ,  G01N27/902 ,  G01R33/12

    摘要： Sensor condition verification may be performed on electromagnetic sensors and sensor arrays mounted to a material surface. The sensors typically have a periodic winding or electrode structure that creates a periodic sensing field when driven by an electrical signal. The sensors can be thin and flexible so that they conform to the surface of the test material. Monitoring the conductivity changes of a test material, with changes in temperature, may provide a mechanism for testing the integrity of the sensor. Changes in the conductivity, due to changes in temperature, without significant lift-off changes may verify the calibration of the sensor and that the sensor elements themselves are intact.

    摘要翻译： 可以在安装到材料表面的电磁传感器和传感器阵列上执行传感器状态验证。 传感器通常具有周期性的绕组或电极结构，其在由电信号驱动时产生周期性感测场。 这些传感器可以是薄而灵活的，以使它们符合测试材料的表面。 监测测试材料的电导率变化随着温度的变化，可以提供一种用于测试传感器完整性的机制。 电导率的变化，由于温度的变化，没有明显的剥离变化可以验证传感器的校准，并且传感器元件本身是完整的。