公开(公告)号：JP2004138133A

公开(公告)日：2004-05-13

申请号：JP2002302503

申请日：2002-10-17

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI ,  OKADA KOICHI

IPC: F16C41/00 ,  H02K11/00 ,  H02K21/22

CPC classification number: F16C41/004 ,  F16C19/06 ,  F16C41/007

Abstract: PROBLEM TO BE SOLVED: To provide a bearing with a power generating function capable of achieving large power generation ability in compact constitution. SOLUTION: This bearing 1 with a power generating function, of an inner ring rotation type, is provided with an inner ring 2 and an outer ring 3 relatively rotatable through rolling elements 4, and a power generator 6 which generates power by relative rotation of the inner and the outer rings 2 and 3. The power generator 6 is provided with a magnet 7, and a yoke 10 disposed to face the magnet 7, and having a coil 16 inside. The magnet 7 is installed on the inner ring 2, and disposed on the outer circumferential side of the yoke 10. The yoke 10 is installed on the outer ring 3. COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：为了提供具有能够实现紧凑结构的大发电能力的发电功能的轴承。 解决方案：具有内圈旋转型发电功能的该轴承1设置有能够通过滚动元件4相对旋转的内圈2和外圈3，以及通过相对位置产生动力的发电机6 内圈2和外圈3的旋转。发电机6设有磁铁7，磁轭10配置成面对磁铁7，内侧具有线圈16。 磁体7安装在内圈2上，并设置在磁轭10的外周侧。磁轭10安装在外圈3上。版权所有（C）2004，JPO

公开(公告)号：JP2004132447A

公开(公告)日：2004-04-30

申请号：JP2002296860

申请日：2002-10-10

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： IWAMOTO KENICHI ,  MIZUTANI MASATOSHI

IPC: F16C41/00 ,  H02K7/08

CPC classification number: F16C41/004 ,  F16C9/02 ,  F16C19/06 ,  F16C41/007

Abstract: PROBLEM TO BE SOLVED: To provide a bearing with the power generation function for obtaining a sufficient power generation quantity with a compact constitution. SOLUTION: This bearing A with the power generation function is formed by supporting a rotary side member 3 and a nonrotatable side member 4 by a plurality of rolling bodies 5, and internally stores a generator 2 for generating electric power by rotation of the rotary side member 3. The generator 2 has a multipolar magnet 14 fixed to the rotary side member 3 and a winding coil 16 arranged in the nonrotatable side member 4 and housed in a magnetic member 15. The winding coil 16 is housed in the magnetic member 15, and is juxtaposed in a plurality in the shaft direction. COPYRIGHT: (C)2004,JPO

公开(公告)号：JP2003287046A

公开(公告)日：2003-10-10

申请号：JP2002094097

申请日：2002-03-29

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI ,  OBA HIROAKI ,  NORIMATSU TAKAYUKI ,  TAJIMA HIDEJI

IPC: G01P3/46 ,  B60B35/14 ,  B60B35/18 ,  B60T8/00 ,  B60T8/171 ,  F16C19/18 ,  F16C33/78 ,  F16C33/80 ,  F16C41/00 ,  G08C17/02

Abstract: PROBLEM TO BE SOLVED: To provide a bearing device for a wheel with a generator wherein a setting space of the generator is sufficiently provided, and flexibility of designing is also easily provided.
SOLUTION: The bearing device for the wheel with the generator has an outer member 2 and an inner member 3 positioned outside and inside through double row rolling elements 4. The outer member 2 is mounted on a car body through a knuckle 10. The inner member 3 is mounted on the wheel. The generator 11 is constituted of a multipolar magnet 12 on which magnetic poles are aligned in the circumferential direction and a magnetic body ring 13 facing against the multipolar magnet 12 by storing a coil 25. The magnetic body ring 13 is mounted on the knuckle 10, and the multipolar magnet 12 is mounted on the inner member 13.
COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：提供一种具有发电机的车轮的轴承装置，其中充分提供发电机的设置空间，并且还容易地提供设计的灵活性。 解决方案：具有发电机的车轮的轴承装置具有通过双列滚动元件4定位在外部和内部的外部构件2和内部构件3.外部构件2通过转向节10安装在车身上。 内部构件3安装在车轮上。 发电机11由磁极沿圆周方向排列的多极磁体12和通过存储线圈25而面向多极磁体12的磁性体环13构成。磁性体环13安装在转向节10上， 并且多极磁体12安装在内部构件13上。（C）2004，JPO

公开(公告)号：JP2014126375A

公开(公告)日：2014-07-07

申请号：JP2012281035

申请日：2012-12-25

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI

IPC: G01N27/04

Abstract: PROBLEM TO BE SOLVED: To provide a hardening quality inspection device capable of highly accurately inspecting a hardening quality of an inspection object by nondestructive inspection.SOLUTION: This hardening quality inspection device includes: a power source 2 for applying a current via probes 3, 3 for current application; a pair of probes 4, 4 for voltage measurement for making the pair of probes 4, 4 for voltage application contact two points different from the probes 3, 3 for voltage application in the surface of an inspection object 1 applied with the current by the power source 2 and for measuring the voltage between these two points; and quality measurement means 12 for measuring the hardening quality of the inspection object 1 from the voltage measured by the probes 4, 4 for voltage measurement. The inspection object 1 is provided with current application position changing means for changing a position to be applied with the current by the probes 3, 3 for current application.

Abstract translation: 要解决的问题：提供一种能够通过非破坏性检查高精度地检查检查对象的硬化质量的硬化质量检查装置。解决方案：该硬化质量检查装置包括：电源2，用于经由探针3,3施加电流 用于当前应用; 用于电压测量的一对探针4,4用于施加电压的一对探针4,4用于与探测器3,3不同的两个点，用于施加电流的检查对象1的表面中的电压 源2和用于测量这两点之间的电压; 以及用于通过用于电压测量的探针4,4测量的电压来测量检查对象1的硬化质量的质量测量装置12。 检查对象1设置有当前应用位置改变装置，用于通过探针3,3用于改变当前施加的电流的位置。

公开(公告)号：JP2012173258A

公开(公告)日：2012-09-10

申请号：JP2011038368

申请日：2011-02-24

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI ,  TAKAHASHI TORU

IPC: G01L3/10 ,  B62D5/04

Abstract: PROBLEM TO BE SOLVED: To provide a torque measurement apparatus capable of accurately measuring torque applied between two shafts connected on the same axis through a torsion bar, allowed to be downsized and capable of quickly performing torque measurement even just after turning on a power supply or the like.SOLUTION: Annular sensor targets 1 and 2 on which a plurality of poles 1a and 2a to be detected are equally arranged in a circumferential direction are respectively arranged on two shafts 21 and 22. Magnetic sensors 3 and 4 for detecting the poles 1a and 2a to be detected of the sensor targets 1 and 2 are respectively arranged. Torque to be applied between the two shafts 21 and 22 is measured based on output signals from the respective magnetic sensors 3 and 4. The sensor targets 1 and 2 respectively include two magnetic tracks 401 and 402 on which the phases of the respective poles 1a and 2a to be detected are mutually shifted in the circumferential direction. The magnetic sensors 3 and 4 respectively detect and output positions of the two magnetic tracks 401 and 402 in one magnetic pole pair of the poles 1a and 2a to be detected and output one reference signal for each one magnetic pole pair of the poles 1a and 2a to be detected.

Abstract translation: 要解决的问题：提供一种扭矩测量装置，其能够精确地测量通过扭杆连接在同一轴线上的两个轴之间的扭矩，允许其被小型化，并且即使在打开之后也能够快速执行扭矩测量 电源等。

解决方案：在两个轴21和22上分别设置有环状传感器目标1和2，其中多个待检测的极1a和2a在圆周方向上均等地布置。用于检测极1a的磁传感器3和4 和传感器目标1和2的被检测的2a分别布置。 基于来自各个磁传感器3和4的输出信号来测量施加在两个轴21和22之间的扭矩。传感器目标1和2分别包括两个磁道401和402，各磁极1a和 2a被沿着圆周方向相互偏移。 磁传感器3和4分别检测并输出要检测的磁极1a和2a的一个磁极对中的两个磁道401和402的位置，并输出每个磁极对1a和2a的一个参考信号 被检测。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2012037013A

公开(公告)日：2012-02-23

申请号：JP2010179958

申请日：2010-08-11

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI

IPC: F16C19/52 ,  F16C19/16 ,  F16C35/12 ,  F16C41/00

Abstract: PROBLEM TO BE SOLVED: To provide a bearing device that can rapidly measure a temperature of a bearing race ring, enhance temperature measurement accuracy of the bearing race ring and improve the accuracy of abnormality prediction and responsiveness of a bearing.SOLUTION: The bearing device is configured to receive preload by placing a spacer between race rings of a plurality of anti-friction bearings 3, 3 arranged in an axial direction. The spacer includes an outer ring spacer 5 laid between outer rings 3g, 3g arranged side by side in the axial direction, and an inner ring spacer 4 laid between inner rings 3i, 3i. The inner ring 3i includes an inner ring side surface abutting on the inner ring spacer 4 and a chamfered detected surface 10 at a corner part of an inner ring outer peripheral surface. The outer ring spacer 5 includes a non-contact temperature sensor 7 for measuring the temperature of the detected surface 10 in a non-contact manner.

Abstract translation: 要解决的问题：为了提供能够快速测量轴承座圈的温度的轴承装置，提高轴承座圈的温度测量精度，并提高轴承的异常预测和响应性的精度。 解决方案：轴承装置构造成通过在沿轴向布置的多个抗摩轴承3,3的座圈之间放置间隔件来接收预载荷。 间隔件包括布置在轴向并排布置的外圈3g，3g之间的外圈隔离件5和设置在内圈3i，3i之间的内圈隔离件4。 内圈3i包括在内圈隔离件4上邻接的内圈侧表面和内圈外周表面的角部处的倒角检测表面10。 外环隔离件5包括用于以非接触方式测量检测表面10的温度的非接触式温度传感器7。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2011196980A

公开(公告)日：2011-10-06

申请号：JP2010067450

申请日：2010-03-24

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI ,  SUZUKI KENICHI ,  MASUDA YUI

IPC: G01N27/83

Abstract: PROBLEM TO BE SOLVED: To provide a Barkhausen noise inspection device for performing accurate inspection without being affected by displacement of a noise detection sensor for detecting Barkhausen noise or an inspecting object.SOLUTION: This Barkhausen noise inspection device includes an exciting coil 2 for magnetizing the inspecting object 30, the noise detection sensor 3 for detecting the Barkhausen noise issued by the magnetized inspecting object 30, and a power source 12 for supplying AC current for generating an AC magnetic field for magnetization to the exciting coil 2. This Barkhausen noise inspection device also includes gap detection sensor 21 for detecting a gap between the noise detection sensor 3 and inspecting object 30. A sensor output correcting means 24 corrects an output of the noise detection sensor 3 based on the output of this gap detection sensor 21.

Abstract translation: 要解决的问题：提供一种用于执行精确检查的巴克豪森噪声检测装置，而不受用于检测巴克豪森噪声的噪声检测传感器的位移或检查对象的影响。解决方案：该巴克豪森噪声检测装置包括用于磁化 检测对象30，用于检测由磁化检查对象30发出的巴克豪森噪声的噪声检测传感器3和用于向励磁线圈2产生用于产生用于磁化的交流磁场的交流电流的电源12.该巴克豪森噪声检查装置 还包括用于检测噪声检测传感器3和检查对象30之间的间隙的间隙检测传感器21.传感器输出校正装置24基于该间隙检测传感器21的输出校正噪声检测传感器3的输出。

公开(公告)号：JP2010230485A

公开(公告)日：2010-10-14

申请号：JP2009078315

申请日：2009-03-27

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MASUDA YUI ,  MIZUTANI MASATOSHI

IPC: G01N27/72 ,  B24B49/10 ,  G01M13/04 ,  G01N27/82

Abstract: PROBLEM TO BE SOLVED: To provide a Barkhausen noise test apparatus capable of detecting Barkhausen noise having a wide frequency band.
SOLUTION: The Barkhausen noise test apparatus includes: a detection head 1 having an exciting coil 2 for magnetizing an object under test 40 and a detection sensor 3 for detecting the Barkhausen noise emitted by the magnetized object under test 40; and an AC power supply 12 for supplying AC current which causes the exciting coil 2 to generate an AC magnetic field for above magnetization. A magnetic sensor employing no coil is used as the detection sensor 3 and detects surface fluxes of the object under test 40.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供能够检测具有宽频带的巴克豪森噪声的巴克豪森噪声测试装置。 解决方案：巴克豪森噪声测试装置包括：检测头1，其具有用于磁化待测物体40的激励线圈2和检测传感器3，用于检测被测磁化体40发出的巴克豪森噪声; 以及用于提供交流电流的交流电源12，其使励磁线圈2产生用于上述磁化的AC磁场。 使用不使用线圈的磁传感器作为检测传感器3，并检测待测物体40的表面通量。版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010230484A

公开(公告)日：2010-10-14

申请号：JP2009078314

申请日：2009-03-27

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI

IPC: G01N27/90

Abstract: PROBLEM TO BE SOLVED: To provide a device and a method for detecting grinding burning that dispense with destruction, or the like of components to be measured and can execute total inspection of grinding burning in-line, and further can miniaturize a head section as compared with a method utilizing ultrasonic waves.
SOLUTION: The grinding burning detecting device includes: an excitation coil 2 for generating an alternate magnetic field while opposing a measurement target comprising a conductor 7; a detection means for detecting an impedance change according to a change in permeability of the measurement target by an eddy current flowing to the measurement target by the alternate magnetic field generated by the excitation coil 2; and a determining means 5 for determining the presence or absence of grinding burning of the measurement target from detection output detected by the detection means.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种用于检测不需要测量的部件的破坏等的研磨燃烧的装置和方法，并且可以执行对在线研磨的全面检查，并且还可以使头部小型化 与使用超声波的方法相比。 解决方案：研磨燃烧检测装置包括：激励线圈2，用于在与包括导体7的测量对象相对的同时产生交替磁场; 检测装置，用于根据由励磁线圈2产生的交变磁场流向测量对象的涡流，根据测量对象的磁导率的变化来检测阻抗变化; 以及确定装置5，用于根据由检测装置检测到的检测输出来确定测量对象的磨削燃烧是否存在。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010164306A

公开(公告)日：2010-07-29

申请号：JP2009004181

申请日：2009-01-13

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI

IPC: G01N27/80 ,  C21D1/55 ,  G01B7/26 ,  G01M13/04

Abstract: PROBLEM TO BE SOLVED: To provide a hardened depth measuring method capable of precisely measuring the hardened depth of rolling devices and components of rolling devices without necessity of complicated control of a gap, and a hardened depth measuring device used in this measuring method. SOLUTION: In the hardened depth measuring method, a hardened depth measuring device 1 including an exciting coil 3 for exciting a rolling device or a component of the rolling device as a measurement target 20, an impedance detection circuit 5, and a signal processing circuit 6 is used. From the change of the impedance of the excitation coil 2, the hardened depth of the measurement target 20 is measured. The measurement is performed with the excitation coil 2 in contact with the measurement target 20. In addition to the excitation coil 3, another detection coil may be provided so that the hardened depth can be measured from a magnetic flux detected by the detection coil. Further, a correction based on the temperature may be performed. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够精确地测量滚动装置的硬化深度和滚动装置的部件的硬化深度测量方法，而不需要复杂的间隙控制，以及用于该测量方法的硬化深度测量装置 。 解决方案：在硬化深度测量方法中，包括用于激发滚动装置的激励线圈3或作为测量目标20的滚动装置的部件的硬化深度测量装置1，阻抗检测电路5和信号 使用处理电路6。 根据励磁线圈2的阻抗的变化，测量测量对象20的硬化深度。 用激励线圈2与测量对象20接触来进行测量。除了励磁线圈3之外，还可以设置另一个检测线圈，以便可以从由检测线圈检测的磁通量测量硬化深度。 此外，可以执行基于温度的校正。 版权所有（C）2010，JPO＆INPIT