公开(公告)号：JP2005326262A

公开(公告)日：2005-11-24

申请号：JP2004144520

申请日：2004-05-14

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI ,  SASAKI NORIHIKO

IPC: G01D5/245 ,  F16C19/18 ,  F16C19/52 ,  F16C41/00

CPC classification number: F16C41/007 ,  F16C2300/02 ,  F16C2326/02

Abstract: PROBLEM TO BE SOLVED: To provide a bearing device with a rotation sensor capable of preventing coil from breaking, and small-sizing and lightening a rotation sensor.
SOLUTION: The bearing device with a rotation sensor comprises an exterior member 1 and an interior member 2, a rotor 3 intervening among the two members and the rotation sensor 7. To the either of the exterior member 1 and the interior member 2, a ring-shape magnetic yoke 8 containing a coil 12 is attached and to the other member, a pulser ring 9 is attached, respectively, and the rotation sensor 7 is constituted of the magnetic yoke 8 and the pulser ring 9. Rotation detection is attained by generated voltage induced by the relative rotation between the yoke 8 and the pulser ring 9. The coil 12 of the magnetic yoke 8 is made by tightening the coil winding in one body. The coil winding is fixed by using a self-welding wire or bonding agent.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种具有能够防止线圈断裂的旋转传感器的轴承装置，以及小型化和减轻旋转传感器。 解决方案：具有旋转传感器的轴承装置包括外部构件1和内部构件2，介于两个构件和旋转传感器7之间的转子3.在外部构件1和内部构件2中的任一个 安装有包含线圈12的环形磁轭8，并且另一个构件分别安装有脉冲发生器环9，旋转传感器7由磁轭8和脉冲发生器环9构成。旋转检测是 通过由磁轭8和脉冲发生器环9之间的相对旋转引起的发电电压来实现。磁轭8的线圈12通过将线圈绕组紧固在一体中而制成。 线圈绕组通过使用自焊丝或粘合剂固定。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2003278782A

公开(公告)日：2003-10-02

申请号：JP2002082835

申请日：2002-03-25

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI ,  TAKAHASHI TORU ,  TAJIMA HIDEJI ,  NORIMATSU TAKAYUKI

IPC: F16C33/78 ,  F16C41/00 ,  H01Q1/44

CPC classification number: F16C41/004 ,  F16C19/186 ,  F16C33/7886 ,  F16C41/007 ,  F16C41/008 ,  F16C2326/02

Abstract: PROBLEM TO BE SOLVED: To provide an antenna-equipped rolling bearing wherein a seal and an antenna is easily incorporated therein at reduced cost using the small number of part items. SOLUTION: The rolling bearing has an inner member 3 and an outer member 2 which are rotatable relative to each other via rolling elements 4. The rolling bearing has the seal 18 for sealing an end of an annular space between the inner member 3 and the outer member 2. The antenna 43 for transmitting signals is embedded in the seal 18. A generator 11 which generates electric power using the relative rotation between the outer and inner members is provided between the outer and inner members 2 and 3. The antenna 43 serves as a means for transmitting rotation signals detected at the generator 11 or signals of a sensor which operates using the generator 11 as a power supply. COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：提供一种天线配备的滚动轴承，其中使用少量零件可以以较低的成本容易地将密封件和天线容纳在其中。 解决方案：滚动轴承具有可经由滚动元件4相对于彼此旋转的内部构件3和外部构件2.滚动轴承具有用于密封内部构件3之间的环形空间的端部的密封件18 外部构件2.用于发送信号的天线43嵌入密封件18.在外部构件2和内部构件3之间设置利用外部构件和内部构件之间的相对旋转产生电力的发电机11.天线 43用作传送在发生器11处检测的旋转信号的装置或用作为电源的发生器11操作的传感器的信号。 版权所有（C）2004，JPO

公开(公告)号：JP2003278779A

公开(公告)日：2003-10-02

申请号：JP2002077849

申请日：2002-03-20

Applicant: Ntn Corp ,  Ntn株式会社

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

IPC: G08C17/02 ,  B60B35/18 ,  B60T8/00 ,  B60T8/171 ,  F16C19/18 ,  F16C33/76 ,  F16C41/00 ,  G01D5/242 ,  H02K1/27

CPC classification number: F16C19/186 ,  F16C33/723 ,  F16C33/7876 ,  F16C41/004 ,  F16C41/007 ,  F16C2326/02

Abstract: PROBLEM TO BE SOLVED: To provide a power generator-equipped wheel bearing device for a driven wheel wherein the number of part items and costs are reduced by eliminating the need to install seal members in a generator installation part. SOLUTION: An outer member 1 and an inner member 2 are rotatable relative to each other via a plurality of rows of rolling elements 3. The outer member 1 is mounted to a vehicle body and a wheel is mounted to the inner member 2. A cover 12 for covering the overall end of the bearing device is mounted to the outer member 1. A generator 4 which generates electric power using the relative rotation between the outer member 1 and the inner member 2 is arranged inside the cover 12. COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：提供一种用于从动轮的发电机轮式轴承装置，其中通过消除在发电机安装部件中安装密封构件的需要来减少部件和成本的数量。 解决方案：外部构件1和内部构件2可以经由多排滚动体3相对于彼此旋转。外部构件1安装到车身并且车轮安装到内部构件2 用于覆盖轴承装置的整个端部的盖12安装到外部构件1.使用外部构件1和内部构件2之间的相对旋转产生电力的发电机4布置在盖12内。 P>版权所有（C）2004，JPO

公开(公告)号：JP2014174148A

公开(公告)日：2014-09-22

申请号：JP2013050157

申请日：2013-03-13

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： IDE AKITSUGU ,  YAKIDA KAZUHIRO ,  MIZUTANI MASATOSHI

IPC: G01N29/30

Abstract: PROBLEM TO BE SOLVED: To provide a standard test piece in which the position and size of an inclusion in a metal material are clearly specified, an analyzer which is calibrated using the standard test piece, a mechanical component which is inspected using the analyzer, and a method of manufacturing the standard test piece.SOLUTION: A standard test piece 10 is formed by joining a plurality of test pieces 11 and 12 made of metal. The standard test piece 10 is characterized in that, on junction interfaces 11a and 12a of the plurality of test pieces 11 and 12, particles 13 are arranged which are made of a material different from that of the test pieces 11 and 12.

Abstract translation: 要解决的问题：提供一种标准测试件，其中清楚地规定了金属材料中的夹杂物的位置和尺寸，使用标准测试件校准的分析仪，使用分析仪检查的机械部件，以及 制造标准试验片的方法。解决方案：通过连接由金属制成的多个试验片11和12形成标准试验片10。 标准试验片10的特征在于，在多个测试片11和12的接合界面11a和12a上布置由不同于试件11和12的材料制成的颗粒13。

公开(公告)号：JP2012154660A

公开(公告)日：2012-08-16

申请号：JP2011011574

申请日：2011-01-24

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI ,  MASUDA YUI

IPC: G01N27/72

Abstract: PROBLEM TO BE SOLVED: To provide a grinding burning detection device capable of detecting grinding burning over the whole of an inspection object, and shortening time required for the detection of the local grinding burning of the inspection object.SOLUTION: A grinding burning detection device has a first coil 3, a first power supply 12, a magnetic field sensor 5, a second power supply 13, and signal processing means 14. The signal processing means 14 obtains Barkhausen noise from a signal detected by the magnetic field sensor 5, determines the presence/absence of grinding burning over the whole of an inspection object from the Barkhausen noise, and determines the presence/absence of the local grinding burning of an inspection object W from detection output based on an eddy current generated by the inspection object W magnetized by the second coil 6.

Abstract translation: 要解决的问题：提供一种能够检测整个检查对象的研磨燃烧的研磨燃烧检测装置，并且缩短检测对象的局部研磨燃烧所需的时间。 解决方案：研磨燃烧检测装置具有第一线圈3，第一电源12，磁场传感器5，第二电源13和信号处理装置14.信号处理装置14从一个 由磁场传感器5检测到的信号，确定来自Barkhausen噪声的整个检查对象的磨削燃烧的存在/不存在，并且基于检测输出确定检查对象W的局部研磨燃烧的存在/不存在 由第二线圈6磁化的检查对象W产生的涡流。（C）2012，JPO＆INPIT

公开(公告)号：JP2012063296A

公开(公告)日：2012-03-29

申请号：JP2010209104

申请日：2010-09-17

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI ,  MASUDA YUI

IPC: G01N27/72 ,  B24B5/00 ,  B24B5/35

Abstract: PROBLEM TO BE SOLVED: To provide a Barkhausen noise inspection device capable of reducing an influence of residual stress to raise burn mark detection accuracy even in the case of a component with partially different grinding amounts by grinding, etc.SOLUTION: The Barkhausen noise inspection device has: an exciting coil 3 which magnetizes an inspection object W: and a power supply 8 which supplies AC current for making the excitation coil 3 generate an AC magnetic field for magnetization. The Barkhausen noise inspection device further has: a plurality of magnetic field sensors 5, 5 which detect signals including Barkhausen noise to be generated by the magnetized inspection object W, respectively; and signal processing means 9 for calculating the Barkhausen noise from the signals detected, respectively by the magnetic field sensors 5, 5.

Abstract translation: 要解决的问题：提供一种能够减少残余应力的影响的巴克豪森噪声检测装置，以提高燃烧标记检测精度，即使在通过研磨等具有部分不同磨削量的部件的情况下。解决方案 ：巴克豪森噪声检查装置具有：对检查对象W进行磁化的励磁线圈3和提供用于使励磁线圈3产生用于磁化的交流磁场的交流电流的电源8。 巴克豪森噪声检测装置还具有：多个磁场传感器5,5，其分别检测由磁化检查对象W产生的包括巴克豪森噪声的信号; 以及信号处理装置9，用于分别由磁场传感器5,5所检测的信号计算巴克豪森噪声。（C）2012年，JPO和INPIT

公开(公告)号：JP2012021574A

公开(公告)日：2012-02-02

申请号：JP2010159325

申请日：2010-07-14

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI

IPC: F16C19/52 ,  F16C25/06 ,  F16C41/00

Abstract: PROBLEM TO BE SOLVED: To provide a bearing device that enhances temperature measuring accuracy of a bearing ring by improving thermal conductivity from the bearing ring to an object to be measured and shortening time for which heat is transferred from the bearing ring to the object to be measured to reduce a time difference of temperature measurement.SOLUTION: In the bearing device, a non-contact temperature sensor 7 is arranged at an outer ring spacer 5 for measuring the temperature of an inner ring spacer 4 in a non-contact manner. The inner ring spacer 4 includes a spacer body 10 and a spacer surface part 12 arranged on the surface of the spacer body 10, which is measured by the non-contact temperature sensor 7. The spacer surface part 12 is formed of a material higher in thermal conductivity than that of the spacer body 10.

Abstract translation: 要解决的问题：提供一种轴承装置，其通过改善从轴承环到待测量物体的导热性和从轴承环传递热量的缩短时间来提高轴承环的温度测量精度 要测量的对象减少温度测量的时差。 解决方案：在轴承装置中，非接触式温度传感器7布置在外环间隔件5处，用于以非接触的方式测量内环隔离件4的温度。 内环间隔件4包括间隔件主体10和布置在隔离件主体10的表面上的间隔件表面部分12，其由非接触式温度传感器7测量。间隔件表面部分12由较高 热导率高于间隔体10的导热率。（C）2012，JPO＆INPIT

公开(公告)号：JP2012008057A

公开(公告)日：2012-01-12

申请号：JP2010145740

申请日：2010-06-28

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI ,  MASUDA YUI

IPC: G01N27/72

Abstract: PROBLEM TO BE SOLVED: To provide a Barkhausen noise inspection device capable of exactly detecting an abnormal part of an inspection object even when temperature of a detection sensor head including an excitation coil and a magnetism detection sensor changes by fluctuation of ambient temperature and heat generation of energization, or the like.SOLUTION: The Barkhausen noise inspection device includes: the magnetism detection sensor which consists of an excitation coil 11 which magnetizes an inspection object W, and a detection coil 13 which detects Barkhausen noise which is generated by the inspection object W magnetized by the excitation coil 11; and a power supply 4 which supplies AC current for enabling the excitation coil 11 to generate an AC magnetic field for magnetization. The Barkhausen noise inspection device is provided with; temperature measurement means 7 for measuring the temperature of the magnetism detection sensor, and Barkhausen noise output correction means 9 for correcting output of the Barkhausen noise detected by the magnetism detection sensor for the temperature of the magnetism detection sensor measured by the temperature measurement means 7.

Abstract translation: 要解决的问题：即使当包括激励线圈和磁性检测传感器的检测传感器头的温度随着环境温度的波动而变化时，也能够提供能够精确地检测检查对象的异常部分的巴克豪森噪声检测装置，以及 通电的发热等。 解决方案：巴克豪森噪声检测装置包括：磁性检测传感器，其由对检查对象W进行磁化的励磁线圈11和检测线圈13，检测线圈13检测由由该检测对象W所磁化的检查对象W产生的巴克豪森噪声 励磁线圈11; 以及电源4，其提供用于使励磁线圈11产生用于磁化的AC磁场的AC电流。 Barkhausen噪声检测装置提供; 用于测量磁检测传感器的温度的温度测量装置7和用于校正由磁检测传感器检测的由温度测量装置7测量的磁检测传感器的温度的Barkhausen噪声的输出的Barkhausen噪声输出校正装置9。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2010243173A

公开(公告)日：2010-10-28

申请号：JP2009088813

申请日：2009-04-01

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI

IPC: G01N27/02

Abstract: PROBLEM TO BE SOLVED: To provide a device and method for inspecting hardening quality, which enable the precise inspection of the hardening quality of an inspection target by non-destructive inspection.
SOLUTION: In the method for inspecting hardening quality, an electric current is carried by the inspection target 1 by current-carrying electrodes 3 and 4 and the potential difference between two arbitrary points of the inspection target 1 is measured to inspect hardening quality. An AC current 2 is passed as the electric current while changing frequency to measure the potential difference at a position different from the positions of the current-carrying electrodes 3 and 4.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种用于检查硬化质量的装置和方法，其能够通过非破坏性检查精确检查检查对象的硬化质量。 解决方案：在检查硬化质量的方法中，检查对象1由载流电极3和4承载电流，并且测量检查对象1的两个任意点之间的电位差，以检查硬化质量 。 交流电流2作为电流通过，同时改变频率以测量与载流电极3和4的位置不同的位置处的电位差。（C）2011，JPO＆INPIT

公开(公告)号：JP2010085195A

公开(公告)日：2010-04-15

申请号：JP2008253508

申请日：2008-09-30

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： MIZUTANI MASATOSHI

IPC: G01N27/72 ,  G01M13/04

Abstract: PROBLEM TO BE SOLVED: To provide a grinding burn detection device and a grinding burn detection method capable of executing inline total inspection of grinding burn without requiring breakage of a measuring object component or the like, and miniaturizing a head part in comparison with a method utilizing an ultrasonic wave.
SOLUTION: This device has a measuring object excitation part 4 for exciting a workpiece W by an AC magnetic field, a detection means 5 for detecting a signal generated at an excitation time of the workpiece W by the measuring object excitation part 4, a Barkhausen noise detection circuit 14 for extracting a Barkhausen noise from a detection signal detected by the detection means 5, and a determination means 16 for determining existence of grinding burn in the workpiece W from the Barkhausen noise extracted by the Barkhausen noise detection circuit 14.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够在不需要破碎测量对象部件等的情况下执行研磨灼伤的在线全面检查的磨削灼伤检测装置和研磨灼伤检测方法，并且与头部部件相比，使头部小型化 利用超声波的方法。 解决方案：该装置具有用于通过交流磁场激励工件W的测量对象激励部分4，用于通过测量对象激励部分4检测在工件W的激发时间产生的信号的检测装置5， 用于从由检测装置5检测到的检测信号中提取巴克豪森噪声的巴克豪森噪声检测电路14以及用于从由Barkhausen噪声检测电路14提取的Barkhausen噪声确定工件W中的磨削燃烧的存在的确定装置16。 版权所有（C）2010，JPO＆INPIT