专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2009133673A Magnetostrictive torque sensor, and electric steering system 有权
标题翻译：磁感应转矩传感器和电动转向系统
公开(公告)号：JP2009133673A
公开(公告)日：2009-06-18
申请号：JP2007308817
申请日：2007-11-29
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： OBA YOSHIHIRO , MIYOSHI TAKASHI , FUJITA HIROKAZU , YONEDA ATSUHIKO , SHIMIZU YASUO
IPC分类号： G01L3/10 , B62D5/04
CPC分类号： G01L3/102 , B62D5/046 , B62D5/0481 , B62D5/049 , B62D6/10 , G01L3/105 , G01L5/221
摘要： PROBLEM TO BE SOLVED: To provide a magnetostrictive torque sensor and an electric steering system capable of reducing current consumption, while enhancing the reliability.
SOLUTION: The magnetostrictive torque sensor 30 includes a first magnetostrictive film 31 and a second magnetostrictive film 32 which are provided on a ferromagnetic pinion shaft 5, and a first detecting coil 33 and a second detecting coil 34 for detecting changes in the magnetic characteristics of the first and second films 31, 32, and detects a torque input to the pinion shaft 5 based on the detection results by the first and second coils 33, 34. The torque sensor has a bias magnetization means for applying a bias magnetic field to the pinion shaft 5 to magnetize it, and the bias magnetization means temporarily generates a bias magnetic field at a predetermined timing.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够在提高可靠性的同时降低电流消耗的磁致伸缩扭矩传感器和电动转向系统。解决方案：磁致伸缩扭矩传感器30包括设置在铁磁小齿轮轴5上的第一磁致伸缩膜31和第二磁致伸缩膜32，以及用于检测磁性变化的第一检测线圈33和第二检测线圈34 第一和第二膜31,32的特性，并且基于第一和第二线圈33,34的检测结果检测输入到小齿轮轴5的扭矩。扭矩传感器具有偏置磁化装置，用于施加偏置磁场对小齿轮轴5进行磁化，偏置磁化手段在规定的时刻暂时产生偏置磁场。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009128155A Magnetostrictive torque sensor device and measurement value midpoint deviation compensation method therefor 有权
标题翻译：磁感应扭矩传感器装置和测量值中间偏差补偿方法
公开(公告)号：JP2009128155A
公开(公告)日：2009-06-11
申请号：JP2007302813
申请日：2007-11-22
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： FUJITA HIROKAZU , SHIMIZU YASUO , YONEDA ATSUHIKO
IPC分类号： G01L3/10 , B62D5/04
摘要： PROBLEM TO BE SOLVED: To compensate measurement value midpoint deviation of a forward/backward torque, in an accurate and easy manner, without requiring volume resistance, additional circuits for midpoint output voltage adjustment, increase in troublesome adjustment man-hours, or operator's skills. SOLUTION: This device has a bias component setting part 28 for variably setting a bias component for generating a bias magnetic field by feeding coils 33-36 of a sensor part 30A and compensates for the measured value midpoint deviation of the forward/backward torque, by setting a direct current component by the bias component setting part 28. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了补偿正向/反向转矩的测量值中点偏差，以准确和容易的方式，不需要体积电阻，用于中点输出电压调整的附加电路，麻烦的调整工时增加或操作人员的技能。解决方案：该装置具有偏置分量设定部分28，用于通过馈送传感器部分30A的线圈33-36来可变地设置用于产生偏置磁场的偏置分量，并补偿前/后的测量值中点偏差通过偏置分量设定部28设定直流分量来设定转矩。（C）2009年，JPO＆INPIT

3. 发明专利

JP2014219217A 磁歪式トルクセンサ及び電動パワーステアリング装置审中-公开
标题翻译：磁感应扭矩传感器和电动驱动力转向装置
公开(公告)号：JP2014219217A
公开(公告)日：2014-11-20
申请号：JP2013096520
申请日：2013-05-01
申请人：本田技研工業株式会社 , Honda Motor Co Ltd
发明人： YONEDA ATSUHIKO , SHIMIZU YASUO , FUJITA HIROKAZU
IPC分类号： G01L3/10 , B62D5/04
CPC分类号： G01L3/102 , B62D5/04 , G01L3/105
摘要：【課題】操舵軸を通じて磁歪式トルクセンサに過大な捩りトルクが加わった場合であっても、センサ出力である操舵トルク信号に発生するヒステリシスを抑制する磁歪式トルクセンサ及び電動パワーステアリング装置を提供する。【解決手段】操舵軸(センサ軸17)に設けられた磁歪膜mfを囲繞するように巻回された検出コイル41〜44の他に、磁歪膜mfを囲繞するように巻回した別の多重巻コイルであるバイアスコイル40に直流成分電流を通電することによって磁歪膜mfに十分なバイアス磁界を印加し、ヒステリシスを抑制する。【選択図】図2
摘要翻译：要解决的问题：提供一种能够抑制作为传感器输出的转向转矩信号中产生的滞后的磁致伸缩转矩传感器，即使当通过转向轴对磁致伸缩转矩传感器施加过大的扭矩时，也可以提供电气驱动动力转向装置。解决方案：使直流分量电流不仅流入卷绕的检测线圈41-44，以包围设置在转向轴（传感器轴17）上的磁致伸缩膜mf，而且还包括偏置线圈40，偏置线圈40 是缠绕以包围磁致伸缩膜mf的另一个多路绕组线圈，从而向磁致伸缩膜mf施加足够的偏置磁场，并抑制滞后。

4. 发明专利

JP2013053953A Magnetostrictive torque sensor 有权
标题翻译：磁感应扭矩传感器
公开(公告)号：JP2013053953A
公开(公告)日：2013-03-21
申请号：JP2011192943
申请日：2011-09-05
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： FUJITA HIROKAZU , SHIMIZU YASUO
IPC分类号： G01L3/10
摘要： PROBLEM TO BE SOLVED: To provide a magnetostrictive torque sensor capable of suppressing deterioration in detection sensitivity.SOLUTION: A magnetostrictive torque sensor 41 comprises: a rotation shaft 24 having a magnetostrictive part such as a magnetostrictive film 82; excitation coils 85, 85 for exciting the magnetostrictive film 82; detection coils 85, 85 for detecting changes in magnetic characteristics such as magnetic permeability of the magnetostrictive film 82; and a magnetic shield 54a surrounding at least peripheries of the excitation coils 85, 85. The rotation shaft 24 is made of a magnetic material. The magnetic shield 54a further surrounds a periphery of a part of the rotation shaft 24 having no magnetostrictive part 82. The magnetic shield 54a includes a slit 54as that is parallel to a central axis CL of the rotation shaft 24 in a part corresponding to the excitation coils 85, 85.
摘要翻译：要解决的问题：提供能够抑制检测灵敏度下降的磁致伸缩扭矩传感器。解决方案：磁致伸缩扭矩传感器41包括：具有诸如磁致伸缩膜82的磁致伸缩部分的旋转轴24; 用于激励磁致伸缩膜82的励磁线圈85,85; 检测线圈85,85，用于检测磁致伸缩膜82的磁特性等磁特性的变化; 以及围绕励磁线圈85,85的至少周边的磁性屏蔽件54a。旋转轴24由磁性材料制成。磁屏蔽54a进一步包围没有磁致伸缩部分82的旋转轴24的一部分的周边。磁屏蔽54a包括狭缝54as，该狭缝54as在对应于激发的部分中平行于旋转轴24的中心轴线CL 线圈85,85。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2013019916A Magnetostrictive torque sensor and method for compensating measurement value midpoint deviation for the same 审中-公开
标题翻译：磁感应扭矩传感器及其相应的测量值中间偏差补偿方法
公开(公告)号：JP2013019916A
公开(公告)日：2013-01-31
申请号：JP2012241516
申请日：2012-11-01
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： FUJITA HIROKAZU , SHIMIZU YASUO , YONEDA ATSUHIKO
IPC分类号： G01L3/10
摘要： PROBLEM TO BE SOLVED: To accurately and simply compensate measurement value midpoint deviation of forward and reverse torque without requiring a volume resistor, an additional circuit for adjusting midpoint output voltage, increase of troublesome adjustment man hour, and proficiency of an operator.SOLUTION: A magnetostrictive torque sensor has a bias component setting part 28 which variably sets bias components for generating a bias magnetic field by supplying power to coils 33-36 of a sensor part 30A, and compensates measurement value midpoint deviation of the forward and reverse torque by setting DC components by the bias component setting part 28.
摘要翻译：要解决的问题：为了准确和简单地补偿正向和反向转矩的测量值中点偏差，而不需要音量电阻器，用于调节中点输出电压的附加电路，操作人员熟练操作的麻烦增加。解决方案：磁致伸缩扭矩传感器具有偏置分量设定部分28，该偏置分量设定部分28通过向传感器部分30A的线圈33-36供电来可变地设置用于产生偏置磁场的偏置分量，并补偿前进的测量值中点偏差并通过偏置分量设定部分28设定直流分量来实现反向转矩。版权所有：（C）2013，JPO＆INPIT

6. 发明专利

JP2010249734A Magnetostrictive torque sensor and electric power steering apparatus 有权
标题翻译：磁感应扭矩传感器和电动转向装置
公开(公告)号：JP2010249734A
公开(公告)日：2010-11-04
申请号：JP2009101042
申请日：2009-04-17
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： SHIMIZU YASUO , ARIMURA YUTAKA , FUJITA HIROKAZU
IPC分类号： G01L3/10 , B62D5/04
摘要： PROBLEM TO BE SOLVED: To provide a magnetostrictive torque sensor having a stable detection value and for precisely detecting torque with a simple structure.
SOLUTION: A first torque sensor 50A includes: one magnetostrictive film 80 provided on an outer circumferential surface of a steering shaft 22 in which a pinion gear 66 is provided at an end part; first and second coils 82a and 82b detecting the variation in permeability of the magnetostrictive film 80 varied response to the torsion torque acting on the steering shaft 22; one bobbin 84 housing the first and second coils 82a and 82b; and first and second disks 86a and 86b installed at both end parts (positions in vertical symmetry with respect to the axial center of the magnetostrictive film 80) of the bobbin 84, respectively, and made of a soft-magnetic conductor (e.g., iron alloy) formed with a slit.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供具有稳定检测值并且以简单结构精确检测扭矩的磁致伸缩扭矩传感器。解决方案：第一扭矩传感器50A包括：设置在转向轴22的外圆周表面上的一个磁致伸缩膜80，其中小齿轮66设置在端部; 检测磁致伸缩膜80的磁导率变化的第一和第二线圈82a和82b对作用在转向轴22上的扭转扭矩的响应变化; 一个线轴84，其容纳第一和第二线圈82a和82b; 并且分别安装在线轴84的两端部（相对于磁致伸缩膜80的轴向中心的垂直对称位置）的第一和第二盘86a和86b，并且由软磁性导体（例如，铁合金）形成有狭缝。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2009145048A Magnetostrictive torque sensor device, magnetostrictive torque sensor device for electric steering, and calibration method for magnetostrictive torque sensor device 有权
标题翻译：磁感应扭矩传感器装置，用于电动转向的磁致伸缩扭矩传感器装置，以及用于磁致伸缩转矩传感器装置的校准方法
公开(公告)号：JP2009145048A
公开(公告)日：2009-07-02
申请号：JP2007319346
申请日：2007-12-11
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： FUJITA HIROKAZU , SHIMIZU YASUO , YONEDA ATSUHIKO , OBA YOSHIHIRO , MIYOSHI TAKASHI
IPC分类号： G01L3/10 , B62D5/04
摘要： PROBLEM TO BE SOLVED: To avoid decrease in accuracy and reliability of torque measurement caused by the fluctuation and dispersion of remanent magnetization in a magnetostrictive part because the magnetostrictive part is irregularly exposed to a magnetic field disturbance in usage.
SOLUTION: A demagnetizing current supply part 53 for supplying a demagnetizing current to coils 33-36 to demagnetize magnetostrictive films 31, 32 when a sensor is activated and an initial magnetizing current supply part 54 for supplying a current initially magnetizing the magnetostrictive films 31, 32 to the coils 33-36 after completing the demagnetization by the demagnetizing current supply part 53 are provided.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了避免由于磁致伸缩部件在使用中不规则地暴露于磁场干扰而导致由磁致伸缩部件中的剩余磁化的波动和分散引起的转矩测量的精度和可靠性的降低。解决方案：一种消磁电流供应部分53，用于在激活传感器时将去磁电流提供给线圈33-36去磁化磁致伸缩薄膜31,32;以及初始磁化电流供应部分54，用于提供最初磁化磁致伸缩薄膜的电流提供了由去磁电流供给部53完成退磁之后的线圈33-36的31,32。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008180732A Magnetostrictive torque sensor, and motor-driven steering device 有权
标题翻译：磁感应扭矩传感器和电机驱动转向装置
公开(公告)号：JP2008180732A
公开(公告)日：2008-08-07
申请号：JP2008097442
申请日：2008-04-03
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： SHIMIZU YASUO , NAKAMURA YOSHITO , FUJITA HIROKAZU , SUEYOSHI SHUNICHIRO
IPC分类号： G01L3/10 , B62D5/04
摘要： PROBLEM TO BE SOLVED: To provide a magnetostrictive torque sensor capable of preventing erroneous detection, and a motor-driven power steering device capable of preventing steering feeling from getting worse.
SOLUTION: The magnetostrictive torque sensor 30 mounted on a vehicle to detect a torque based on a change of a magnetic characteristic caused by magnetostriction is provided with a magnetic field change detecting means 41 for detecting or estimating a magnetic field change, and one part or the whole of an output from the magnetostrictive torque sensor 30 is invalidated, when a level of the magnetic field change detected by the magnetic field change detecting means 41 is a prescribed value or more, to prevent the erroneous detection in the magnetostrictive torque sensor 30.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止错误检测的磁致伸缩扭矩传感器，以及能够防止转向感变差的电动机动力转向装置。解决方案：安装在车辆上的磁致伸缩扭矩传感器30设置有用于检测或估计磁场变化的磁场变化检测装置41，基于由磁致伸缩引起的磁特性的变化来检测扭矩，并且一个当磁致伸缩转矩传感器30的输出的一部分或全部无效时，当由磁场变化检测装置41检测到的磁场变化的电平为规定值以上时，为了防止磁致伸缩转矩传感器30中的错误检测 30.版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2007240311A Torque sensor 有权
标题翻译：扭矩传感器
公开(公告)号：JP2007240311A
公开(公告)日：2007-09-20
申请号：JP2006062630
申请日：2006-03-08
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： WATANABE KATSUJI , TERADA YASUHIRO , YAMAMOTO MASAKAZU , FUJITA HIROKAZU , TAKISHITA KENICHI , NAKAMURA YOSHITO
IPC分类号： G01L3/10 , B62D5/04
摘要： PROBLEM TO BE SOLVED: To further enhance the accuracy of torque detection of a torque sensor which detects a torque with coils.
SOLUTION: The torque sensor detects the torque acting on a rotating shaft with the coils 85, 85 arranged so as to surround the rotating shaft, and is provided with coil bobbins 84, 84 for winding the coils around and magnetic yokes for housing the coils and the coil bobbins in. The yokes comprises cup-shaped yoke bodies 88, 88, and a yoke bottom plate 89 plugging up the openings of the yoke bodies 88, 88 by fitting in the openings. Fitting-in faces 89b of the yoke bottom plate have press-fitting protrusions 89c for press-fitting in the fitting-in faces 88d, 88d. The yoke bottom plate has engaging portions 89d, 89d for performing mutual engagement with the coil bobbins, so as to regulate the shifts in the positions of the centers of the coil bobbins from the centers of the yokes.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：进一步提高用线圈检测扭矩的转矩传感器的转矩检测精度。解决方案：扭矩传感器检测作用在旋转轴上的扭矩，线圈85,85被布置成围绕旋转轴，并且设置有用于将线圈缠绕的线圈线圈84,84和用于壳体的磁轭线圈和线圈筒管。轭体包括杯形轭体88,88和轭底板89，通过装配在开口中而封闭轭体88,88的开口。轭底板的嵌入面89b具有用于压配合在装配面88d，88d中的压配突起89c。轭底板具有用于与线圈架线相互接合的接合部分89d，89d，以便调节线圈架的中心位置从轭的中心的位移。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2006064446A Magnetostrictive type torque sensor, and motor-driven steering device 有权
标题翻译：磁控型扭矩传感器和电动转向装置
公开(公告)号：JP2006064446A
公开(公告)日：2006-03-09
申请号：JP2004245125
申请日：2004-08-25
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： SHIMIZU YASUO , NAKAMURA YOSHITO , FUJITA HIROKAZU , SUEYOSHI SHUNICHIRO
IPC分类号： G01L3/10 , B62D5/04 , B62D5/06
摘要： PROBLEM TO BE SOLVED: To prevent troubles in a magnetostrictive type sensor from being misdetected.
SOLUTION: In this magnetostrictive type sensor 30 mounted on a vehicle to detect torque, based on the change in the magnetic characteristics caused by magnetostriction, an output from the magnetostrictive type sensor 30 is invalidated, when an operation of actuator for making a prescribed magnetic field change generated is detected.
COPYRIGHT: (C)2006,JPO&NCIPI

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式