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    Nondestructive testing system for steel workpiece
    2.
    发明授权
    Nondestructive testing system for steel workpiece 有权
    钢工件无损检测系统

    公开(公告)号：US08704512B2

    公开(公告)日：2014-04-22

    申请号：US12934459

    申请日：2009-03-17

    Applicant: Yuzo Yamamoto ,  Ichiro Nagasawa

    Inventor： Yuzo Yamamoto ,  Ichiro Nagasawa

    IPC: G01N27/82

    CPC classification number: G01N27/9013 ,  G01N27/80

    Abstract: A nondestructive testing system for testing the strength of a gear (15) that has been subjected to vacuum carburization is disclosed. A detection coil (33) embedded in a resin member (32) having a wedge-shaped cross section is placed in proximity to a bottom land (44) of the gear, and the carburized depth of the bottom land is measured to test the strength of the gear.

    Abstract translation: 公开了一种用于测试已进行真空渗碳的齿轮（15）的强度的非破坏性测试系统。 嵌入到具有楔形横截面的树脂构件（32）中的检测线圈（33）放置在齿轮的底部区域（44）附近，并且测量底部底部的渗碳深度以测试强度 的齿轮。

    Eddy current sensor and eddy current measurement method
    3.
    发明授权
    Eddy current sensor and eddy current measurement method 失效
    涡流传感器和涡流测量方法

    公开(公告)号：US08593137B2

    公开(公告)日：2013-11-26

    申请号：US13696021

    申请日：2011-06-15

    Applicant: Naotaka Ide ,  Takanari Yamamoto ,  Tatsuo Hiroshima

    Inventor： Naotaka Ide ,  Takanari Yamamoto ,  Tatsuo Hiroshima

    IPC: G01R33/12

    CPC classification number: G01N27/80 ,  G01N27/90 ,  G01N27/9046

    Abstract: An eddy current sensor that includes: a probe and a computing unit. The probe has an exciting portion and a detecting portion. The exciting portion includes a first excitation coil that is wound around a non-magnetic bobbin so that a center axis direction is oriented in an x-axis direction and a second excitation coil that is wound around the non-magnetic bobbin to intersect with the first excitation coil so that a center axis direction is oriented in a y-axis direction. The detecting portion includes a detection coil that is arranged at the lower one of two intersecting portions of the first excitation coil and the second excitation coil. An eddy current measurement method for determining the thickness of a hardened layer.

    Abstract translation: 涡流传感器，包括：探头和计算单元。 探针具有激励部分和检测部分。 励磁部包括卷绕在非磁性线轴上以使得中心轴方向在x轴方向上定向的第一激励线圈和缠绕在非磁性线轴上的第二激励线圈与第一激励线圈相交， 励磁线圈，使得中心轴方向在y轴方向上取向。 检测部分包括布置在第一激励线圈和第二激励线圈的两个交叉部分中的下一个处的检测线圈。 用于确定硬化层厚度的涡流测量方法。

    EDDY CURRENT SENSOR AND EDDY CURRENT MEASUREMENT METHOD
    4.
    发明申请
    EDDY CURRENT SENSOR AND EDDY CURRENT MEASUREMENT METHOD 失效
    EDDY电流传感器和EDDY电流测量方法

    公开(公告)号：US20130076348A1

    公开(公告)日：2013-03-28

    申请号：US13696021

    申请日：2011-06-15

    Applicant: Naotaka Ide ,  Takanari Yamamoto ,  Tatsuo Hiroshima

    Inventor： Naotaka Ide ,  Takanari Yamamoto ,  Tatsuo Hiroshima

    IPC: G01N27/80

    CPC classification number: G01N27/80 ,  G01N27/90 ,  G01N27/9046

    Abstract: An eddy current sensor that includes: a probe and a computing unit. The probe has an exciting portion and a detecting portion. The exciting portion includes a first excitation coil that is wound around a non-magnetic bobbin so that a center axis direction is oriented in an x-axis direction and a second excitation coil that is wound around the non-magnetic bobbin to intersect with the first excitation coil so that a center axis direction is oriented in a y-axis direction. The detecting portion includes a detection coil that is arranged at the lower one of two intersecting portions of the first excitation coil and the second excitation coil. An eddy current measurement method for determining the thickness of a hardened layer.

    Abstract translation: 涡流传感器，包括：探头和计算单元。 探针具有激励部分和检测部分。 励磁部包括卷绕在非磁性线轴上以使得中心轴方向在x轴方向上定向的第一激励线圈和缠绕在非磁性线轴上的第二激励线圈与第一激励线圈相交， 励磁线圈，使得中心轴方向在y轴方向上取向。 检测部分包括布置在第一激励线圈和第二激励线圈的两个交叉部分中的下一个处的检测线圈。 用于确定硬化层厚度的涡流测量方法。

    NONDESTRUCTIVE TESTING SYSTEM FOR STEEL WORKPIECE
    5.
    发明申请
    NONDESTRUCTIVE TESTING SYSTEM FOR STEEL WORKPIECE 有权
    钢铁工业非结构测试系统

    公开(公告)号：US20110062953A1

    公开(公告)日：2011-03-17

    申请号：US12934459

    申请日：2009-03-17

    Applicant: Yuzo Yamamoto ,  Ichiro Nagasawa

    Inventor： Yuzo Yamamoto ,  Ichiro Nagasawa

    IPC: G01N27/90

    CPC classification number: G01N27/9013 ,  G01N27/80

    Abstract: A nondestructive testing system for testing the strength of a gear (15) that has been subjected to vacuum carburization is disclosed. A detection coil (33) embedded in a resin member (32) having a wedge-shaped cross section is placed in proximity to a bottom land (44) of the gear, and the carburized depth of the bottom land is measured to test the strength of the gear.

    Abstract translation: 公开了一种用于测试已进行真空渗碳的齿轮（15）的强度的非破坏性测试系统。 嵌入到具有楔形横截面的树脂构件（32）中的检测线圈（33）放置在齿轮的底部区域（44）附近，并且测量底部底部的渗碳深度以测试强度 的齿轮。

    Method and apparatus for determining the thickness of a chromium depleted zone of a surface region of a steel member
    6.
    发明授权
    Method and apparatus for determining the thickness of a chromium depleted zone of a surface region of a steel member 失效
    用于确定钢构件的表面区域的贫铬区的厚度的方法和装置

    公开(公告)号：US07449881B2

    公开(公告)日：2008-11-11

    申请号：US10521820

    申请日：2003-07-22

    Applicant: Emil Edwin ,  Tore Arnesen

    Inventor： Emil Edwin ,  Tore Arnesen

    IPC: G01B7/06

    CPC classification number: G01N33/20 ,  G01B7/105 ,  G01N27/80

    Abstract: The invention provides a method and apparatus for monitoring subsurface chromium depletion from a steel member, such as a pyrolysis pipe. In the harsh conditions of a pyrolysis furnace, chromium within the pipe 16 migrates towards the pipe surface which results in the formation of a chromium depleted layer 14. This layer can provide useful data about the condition and operation of the furnace. The degree of chromium depletion is measured by using a magnetic source of known strength to create a magnetic field in the surface region of the pipe 16. An estimate of the thickness of the chromium depleted layer 14 is determined from the resultant magnetic flux, which can be measured by a hall element arranged at substantially 45° to the longitudinal axis of the magnet.

    Abstract translation: 本发明提供了一种用于监测来自诸如热解管之类的钢构件的地下铬消耗的方法和装置。 在热解炉的恶劣条件下，管16内的铬向管表面迁移，导致铬贫化层14的形成。 该层可以提供关于炉的状况和操作的有用数据。 通过使用已知强度的磁源来测量铬耗尽的程度，以在管16的表面区域产生磁场。 从所得到的磁通量确定铬耗尽层14的厚度的估计值，该磁通量可以通过以相对于磁体的纵向轴线大致45度布置的霍尔元件来测量。

    Method and apparatus for determining mechanical properties of articles by pulse magnetic methods
    8.
    发明授权
    Method and apparatus for determining mechanical properties of articles by pulse magnetic methods 失效
    用于通过脉冲磁法确定制品的机械性能的方法和装置

    公开(公告)号：US4647856A

    公开(公告)日：1987-03-03

    申请号：US476877

    申请日：1983-03-22

    Applicant: Mikhail A. Melgui ,  Valery B. Kratirov ,  Anatoly I. Filippov ,  Viktor V. Deinekin

    Inventor： Mikhail A. Melgui ,  Valery B. Kratirov ,  Anatoly I. Filippov ,  Viktor V. Deinekin

    IPC: G01R33/12 ,  G01N27/72 ,  G01N27/80

    CPC classification number: G01N27/80 ,  G01N27/72

    Abstract: A method comprises repeatedly magnetizing a test article by a pulsed axially symmetric magnetic field normal to the surface of the test article, and reading the gradient of a residual field. Magnetizing the article is effected by two trains of pulses in two steps: first until a first instant of discontinuance in the growth of the gradient of a remanent magnetic field and then until a second instant of discontinuance, the pulse amplitude of the second pulse train being lower than a maximum amplitude of the second pulse train.An apparatus to carry out the proposed method comprises a pulse shaper 1 for forming pulses of an axially symmetric magnetic field and a measuring circuit for measuring the gradient of a remanent field normal component. According to the invention said apparatus is further provided with a working storage 4, a comparison circuit 5 and a pulse amplitude measuring device 2 for measuring pulse amplitude at the output of the pulse shaper 1. The amplitude measuring device 2 has its inputs connected to the outputs of the comparison circuit 5 and the pulse shaper 1. The inputs of the working storage 4 and the comparison circuit 2 are connected to the output of the gradient measuring circuit 3. The other input of the comparison circuit 5 is connected to the output of the working storage 4. The pulse shaper 1 includes a storage capacitor, charging and discharging circuits of said capacitor, an inhibit circuit and a comparison circuit, a pulse counter, a decoder and a code-to-analog converter electrically connected to one another.

    Abstract translation: PCT No.PCT / SU81 / 00063 Sec。 371日期1983年3月22日 102（e）1983年3月22日PCT PCT。1981年7月28日PCT公布。 公开号WO83 / 00560 日期：1983年2月17日。一种方法包括通过垂直于测试物品表面的脉冲轴对称磁场和读取残余场的梯度来重复地使测试物体磁化。 物品的磁化是通过两列脉冲进行两个步骤：首先直到第一个停止生长剩余磁场梯度的瞬间，然后直到第二个停止时刻，第二个脉冲串的脉冲幅度为 低于第二脉冲串的最大振幅。 用于实现所提出的方法的装置包括用于形成轴对称磁场的脉冲的脉冲整形器1和用于测量剩磁场法线分量的梯度的测量电路。 根据本发明，所述装置还设置有工作存储器4，比较电路5和用于测量脉冲整形器1的输出处的脉冲幅度的脉冲幅度测量装置2.振幅测量装置2的输入连接到 比较电路5和脉冲整形器1的输出。工作存储器4和比较电路2的输入连接到梯度测量电路3的输出。比较电路5的另一个输入端连接到 脉冲整形器1包括存储电容器，所述电容器的充电和放电电路，禁止电路和比较电路，脉冲计数器，解码器和彼此电连接的代码到模拟转换器。

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