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1. 发明授权

US08584533B2 Magnetostrictive torque sensor device, manufacturing method thereof, and vehicle steering apparatus 有权
公开(公告)号：US08584533B2
公开(公告)日：2013-11-19
申请号：US12380619
申请日：2009-03-02
申请人： Takashi Miyoshi , Yoshihiro Oniwa , Yasuo Shimizu , Atsuhiko Yoneda , Yutaka Arimura , Katsuji Watanabe
发明人： Takashi Miyoshi , Yoshihiro Oniwa , Yasuo Shimizu , Atsuhiko Yoneda , Yutaka Arimura , Katsuji Watanabe
IPC分类号： G01L3/10 , G01B7/24 , B62D5/04
CPC分类号： G01L3/102 , G01L3/105 , G01L5/221
摘要： A magnetostrictive torque sensor device which detects a torque applied to a rotary shaft is provided. The magnetostrictive torque sensor device includes a magnetostrictive portion provided on a surface of the rotary shaft, a coil and a cylindrical back-yoke disposed in outer periphery of the coil. The coil includes a bobbin arranged in outer periphery of the magnetostrictive portion, and a wire wound around the bobbin. A slit is provided on the back-yoke.

2. 发明申请

US20090218162A1 Magnetostrictive torque sensor device, manufacturing method thereof, and vehicle steering apparatus 有权
标题翻译：磁致伸缩扭矩传感器装置及其制造方法以及车辆转向装置
公开(公告)号：US20090218162A1
公开(公告)日：2009-09-03
申请号：US12380619
申请日：2009-03-02
申请人： Takashi Miyoshi , Yoshihiro Oniwa , Yasuo Shimizu , Atsuhiko Yoneda , Yutaka Arimura , Katsuji Watanabe
发明人： Takashi Miyoshi , Yoshihiro Oniwa , Yasuo Shimizu , Atsuhiko Yoneda , Yutaka Arimura , Katsuji Watanabe
IPC分类号： B62D5/04 , G01L3/10 , H01F7/06
CPC分类号： G01L3/102 , G01L3/105 , G01L5/221
摘要： A magnetostrictive torque sensor device which detects a torque applied to a rotary shaft is provided. The magnetostrictive torque sensor device includes a magnetostrictive portion provided on a surface of the rotary shaft, a coil and a cylindrical back-yoke disposed in outer periphery of the coil. The coil includes a bobbin arranged in outer periphery of the magnetostrictive portion, and a wire wound around the bobbin. A slit is provided on the back-yoke.
摘要翻译：提供一种检测施加到旋转轴的转矩的磁致伸缩扭矩传感器装置。磁致伸缩扭矩传感器装置包括设置在旋转轴的表面上的磁致伸缩部分，设置在线圈外周的线圈和圆柱形后轭。线圈包括布置在磁致伸缩部分的外周中的线轴和缠绕在线轴上的线。在后轭上设置狭缝。

3. 发明申请

US20070205680A1 Electric motor and electric power steering apparatus 失效
标题翻译：电动马达和电动助力转向装置
公开(公告)号：US20070205680A1
公开(公告)日：2007-09-06
申请号：US11714158
申请日：2007-03-06
申请人： Takashi Miyoshi , Yasuo Shimizu , Atsuhiko Yoneda , Katsuhiro Saito , Ryoji Toyofuku , Katsuji Watanabe
发明人： Takashi Miyoshi , Yasuo Shimizu , Atsuhiko Yoneda , Katsuhiro Saito , Ryoji Toyofuku , Katsuji Watanabe
IPC分类号： H02K7/10 , H02K5/16
CPC分类号： F16C35/067 , F16C2380/27 , H02K5/1732 , H02K7/081 , H02K7/1166 , H02K29/12 , Y10T74/19828
摘要： An electric motor having a rotation shaft includes a motor housing into which the electric motor is accommodated, at least one pair of rolling bearings positioned in the motor housing and rotatably supporting both ends of the rotation shaft, and a displacement restriction member provided inside the motor housing and restricting a displacement of the rolling bearing in an axial direction of the rolling bearing. Each rolling bearing includes an inner race, an outer race, and rolling elements rotatably supported between the inner race and the outer race. The inner race is press fitted without any gaps onto an outer peripheral surface of the rotation shaft, and the outer race is press fitted without any gaps into a bearing attachment portion provided inside the motor housing.
摘要翻译：具有旋转轴的电动机包括容纳电动机的电动机壳体，位于电动机壳体中的至少一对滚动轴承和可旋转地支撑旋转轴的两端的旋转轴承，以及设置在电动机内部的位移限制部件容纳并限制滚动轴承在滚动轴承的轴向上的位移。每个滚动轴承包括内圈，外圈和可旋转地支撑在内圈和外圈之间的滚动元件。内圈在旋转轴的外周面上没有任何间隙地压配合，并且外圈没有间隙地压配合到设置在电动机壳体内部的轴承安装部分中。

4. 发明授权

US08294311B2 Electric motor and electric power steering apparatus 失效
标题翻译：电动马达和电动助力转向装置
公开(公告)号：US08294311B2
公开(公告)日：2012-10-23
申请号：US11714158
申请日：2007-03-06
申请人： Takashi Miyoshi , Yasuo Shimizu , Atsuhiko Yoneda , Katsuhiro Saito , Ryoji Toyofuku , Katsuji Watanabe
发明人： Takashi Miyoshi , Yasuo Shimizu , Atsuhiko Yoneda , Katsuhiro Saito , Ryoji Toyofuku , Katsuji Watanabe
IPC分类号： H02K5/16 , H02K7/08 , H02K7/06 , H02K7/10
CPC分类号： F16C35/067 , F16C2380/27 , H02K5/1732 , H02K7/081 , H02K7/1166 , H02K29/12 , Y10T74/19828
摘要： An electric motor having a rotation shaft includes a motor housing into which the electric motor is accommodated, at least one pair of rolling bearings positioned in the motor housing and rotatably supporting both ends of the rotation shaft, and a displacement restriction member provided inside the motor housing and restricting a displacement of the rolling bearing in an axial direction of the rolling bearing. Each rolling bearing includes an inner race, an outer race, and rolling elements rotatably supported between the inner race and the outer race. The inner race is press fitted without any gaps onto an outer peripheral surface of the rotation shaft, and the outer race is press fitted without any gaps into a bearing attachment portion provided inside the motor housing.
摘要翻译：具有旋转轴的电动机包括容纳电动机的电动机壳体，位于电动机壳体中的至少一对滚动轴承和可旋转地支撑旋转轴的两端的旋转轴承，以及设置在电动机内部的位移限制部件容纳并限制滚动轴承在滚动轴承的轴向上的位移。每个滚动轴承包括内圈，外圈和可旋转地支撑在内圈和外圈之间的滚动元件。内圈在旋转轴的外周面上没有任何间隙地压配合，并且外圈没有间隙地压配合到设置在电动机壳体内部的轴承安装部分中。

5. 发明授权

US06543569B1 Electric power steering apparatus 失效
标题翻译：电动助力转向装置
公开(公告)号：US06543569B1
公开(公告)日：2003-04-08
申请号：US09680699
申请日：2000-10-06
申请人： Yasuo Shimizu , Yasuharu Ohyama , Katsuji Watanabe , Shigeru Yamawaki , Atsuhiko Yoneda , Yasuhiro Terada
发明人： Yasuo Shimizu , Yasuharu Ohyama , Katsuji Watanabe , Shigeru Yamawaki , Atsuhiko Yoneda , Yasuhiro Terada
IPC分类号： B62D504
CPC分类号： F16H55/26 , B21K1/767 , B62D3/123 , B62D3/126 , B62D5/04 , B62D5/0421 , F16H55/08 , F16H55/285 , Y10T74/1906 , Y10T74/19953
摘要： An electric power steering apparatus comprising a rack shaft having two racks, a first rack-and-pinion mechanism for transferring a steering torque to the rack shaft, and a second rack-and-pinion mechanism for transferring an assist torque to the rack shaft. The second rack-and-pinion mechanism includes a pinion and a rack both being helical gears so that a large torque can be transmitted to the rack shaft. Teeth of the pinion and rack are arc profiled. The arc profiled teeth mesh with each other through a large contact area of concave and convex surfaces thereof and hence with a reduced contact pressure compared to involute profiled teeth. The arc profiled teeth thus have increased surface fatigue strength, bending strength and bending fatigue strength and can transmit an assist torque sufficiently to the rack shaft. Moreover, they have durability sufficient to withstand a torque load of a motor inertia.
摘要翻译：一种电动助力转向装置，包括具有两个齿条的齿条轴，用于将转向转矩传递到齿条轴的第一齿条和小齿轮机构，以及用于将辅助转矩传递到齿条轴的第二齿条齿轮机构。第二齿条齿轮机构包括小齿轮和齿条，两者都是斜齿轮，从而能够将大的扭矩传递到齿条轴。小齿轮和齿条的牙齿呈弧形。弧形牙齿通过其凹凸表面的大的接触面彼此啮合，因此与渐开线成型齿相比具有降低的接触压力。因此，弧形牙齿具有增加的表面疲劳强度，弯曲强度和弯曲疲劳强度，并且可以将足够的辅助扭矩传递到齿条轴。此外，它们具有足以承受电动机惯性的转矩负载的耐久性。

6. 发明授权

US08225483B2 Method of manufacturing a torque sensor 有权
标题翻译：扭矩传感器的制造方法
公开(公告)号：US08225483B2
公开(公告)日：2012-07-24
申请号：US12511198
申请日：2009-07-29
申请人： Katsuji Watanabe , Yasuo Shimizu , Atsuhiko Yoneda , Tsunehiko Fukatsu
发明人： Katsuji Watanabe , Yasuo Shimizu , Atsuhiko Yoneda , Tsunehiko Fukatsu
IPC分类号： G01R3/00
CPC分类号： G01L3/102 , G01L5/221 , Y10T29/49002 , Y10T29/49007 , Y10T29/49071 , Y10T29/49073 , Y10T29/49172 , Y10T29/49176 , Y10T29/4922
摘要： The torque sensor includes a plurality of coil units having a substantially cylindrical shape, the coil units including a plurality of detection coils arranged to face a magnetic characteristic change portion formed on a rotary shaft. The coil units include a first coil unit and a second coil unit, and the first coil unit and the second coil unit are disposed in the axial direction of the shaft. The first coil unit and the second coil unit are fixed in an integrally molded resin. Thereby, there is provided a torque sensor having a high productivity and an easy configuration and a method of manufacturing the torque sensor.
摘要翻译：扭矩传感器包括具有大致圆筒形状的多个线圈单元，线圈单元包括多个检测线圈，其布置成面对形成在旋转轴上的磁特性变化部分。线圈单元包括第一线圈单元和第二线圈单元，第一线圈单元和第二线圈单元沿轴的轴向设置。第一线圈单元和第二线圈单元固定在一体模制树脂中。由此，提供了具有高生产率和易于构造的扭矩传感器和制造扭矩传感器的方法。

7. 发明申请

US20090224502A1 ELECTRIC DAMPER 有权
标题翻译：电动阻尼器
公开(公告)号：US20090224502A1
公开(公告)日：2009-09-10
申请号：US12397006
申请日：2009-03-03
申请人： Shigeru YAMAWAKI , Yasuo Shimizu , Katsuji Watanabe , Atsuhiko Yoneda
发明人： Shigeru YAMAWAKI , Yasuo Shimizu , Katsuji Watanabe , Atsuhiko Yoneda
IPC分类号： B60G13/00 , B60G13/18
CPC分类号： B60G17/06 , B60G17/021 , B60G2202/25 , B60G2202/42 , B60G2400/204 , B60G2400/252 , B60G2500/104 , F16F2232/04
摘要： An electric damper which does not transmit unbalance wheel vibration to a vehicle body is provided. A low-pass cutoff frequency setting unit and a high-pass cutoff frequency setting unit respectively set the cutoff frequencies for band-stop filters to a frequency band corresponding to unbalance wheel vibration based on a signal indicating a vehicle speed from a vehicle speed sensor, and a function as a band-stop filter comprising a low-pass filter computation unit, a high-pass filter computation unit and an adder is computed for a displacement rate of the vertical motion of a wheel calculated by a differentiating unit in a damper control unit. A damper control amount computation unit calculates a control amount of controlling an electric motor for a motor-driven damper based on the calculated filtered displacement rate, and outputs a control signal to a motor driving unit through a driving circuit output unit.
摘要翻译：提供了不向车身传递不平衡的车轮振动的电动阻尼器。低通截止频率设定单元和高通截止频率设定单元基于来自车速传感器的表示车速的信号，将带阻滤波器的截止频率分别设定为与不平衡车轮振动对应的频带，并且计算包括低通滤波器计算单元，高通滤波器计算单元和加法器的带阻滤波器的功能，用于由减振器控制中的微分单元计算的车轮的垂直运动的位移速率单元。减振器控制量计算单元基于计算出的滤波位移率来计算控制电动马达的电动机的控制量，并通过驱动电路输出单元向马达驱动单元输出控制信号。

8. 发明申请

US20070283767A1 Torque sensor and method of manufacturing the same 有权
标题翻译：扭矩传感器及其制造方法
公开(公告)号：US20070283767A1
公开(公告)日：2007-12-13
申请号：US11723752
申请日：2007-03-21
申请人： Katsuji Watanabe , Yasuo Shimizu , Atsuhiko Yoneda , Tsunehiko Fukatsu
发明人： Katsuji Watanabe , Yasuo Shimizu , Atsuhiko Yoneda , Tsunehiko Fukatsu
IPC分类号： G01L3/00
CPC分类号： G01L3/102 , G01L5/221 , Y10T29/49002 , Y10T29/49007 , Y10T29/49071 , Y10T29/49073 , Y10T29/49172 , Y10T29/49176 , Y10T29/4922
摘要： The torque sensor includes a plurality of coil units having a substantially cylindrical shape, the coil units including a plurality of detection coils arranged to face a magnetic characteristic change portion formed on a rotary shaft. The coil units include a first coil unit and a second coil unit, and the first coil unit and the second coil unit are disposed in the axial direction of the shaft. The first coil unit and the second coil unit are fixed in an integrally molded resin. Thereby, there is provided a torque sensor having a high productivity and an easy configuration and a method of manufacturing the torque sensor.
摘要翻译：扭矩传感器包括具有大致圆筒形状的多个线圈单元，线圈单元包括多个检测线圈，其布置成面对形成在旋转轴上的磁特性变化部分。线圈单元包括第一线圈单元和第二线圈单元，第一线圈单元和第二线圈单元沿轴的轴向设置。第一线圈单元和第二线圈单元固定在一体模制树脂中。由此，提供了具有高生产率和易于构造的扭矩传感器和制造扭矩传感器的方法。

9. 发明授权

US06422095B1 Magnetostrictive torque sensor and electric power steering apparatus including the same 失效
标题翻译：磁致伸缩转矩传感器和包括其的电动助力转向装置
公开(公告)号：US06422095B1
公开(公告)日：2002-07-23
申请号：US09696653
申请日：2000-10-25
申请人： Yasuo Shimizu , Yasuharu Ohyama , Katsuji Watanabe , Shigeru Yamawaki , Atsuhiko Yoneda , Yasuhiro Terada
发明人： Yasuo Shimizu , Yasuharu Ohyama , Katsuji Watanabe , Shigeru Yamawaki , Atsuhiko Yoneda , Yasuhiro Terada
IPC分类号： G01L302
CPC分类号： G01L3/102 , G01L3/103 , G01L3/105 , G01L5/221
摘要： A magnetostrictive torque sensor includes a magnetostrictive film of width W provided along a circumference of a rotational shaft. The film causes magnetostriction in correspondence to a torque applied to the rotational shaft. The torque sensor also includes excitation and detection cores each having substantially U-shaped configuration. These cores are disposed in opposed relation to the film. The excitation core extends through an excitation coil while the detection core extends through a detection coil. The excitation core is disposed on the detection core at right angles. The film has a magnetic path passing therethrough. The magnetic path, the excitation coil, and the detection coil cooperate with each other to provide a magnetic circuit. The excitation coil and the detection coil provides a bridge circuit in cooperation with each other. When a torque is applied to the rotational shaft, the film causes magnetostriction in correspondence to the torque. The magnetostriction is electrically detected by the bridge circuit.
摘要翻译：磁致伸缩扭矩传感器包括沿旋转轴的圆周设置的宽度为W的磁致伸缩膜。该膜根据施加到旋转轴的扭矩而引起磁致伸缩。扭矩传感器还包括各自具有大致U形构造的激励和检测芯。这些芯与薄膜相对设置。激励芯延伸穿过励磁线圈，同时检测芯延伸穿过检测线圈。激励芯以直角设置在检测芯上。该胶片具有穿过其中的磁路。磁路，励磁线圈和检测线圈相互配合以提供磁路。励磁线圈和检测线圈彼此配合提供桥接电路。当转矩施加到旋转轴时，膜对应于扭矩引起磁致伸缩。磁致伸缩由电桥电路电检测。

10. 发明授权

US06868936B2 Electric power steering apparatus 有权
标题翻译：电动助力转向装置
公开(公告)号：US06868936B2
公开(公告)日：2005-03-22
申请号：US10397489
申请日：2003-03-26
申请人： Yasuo Shimizu , Katsuji Watanabe , Atsuhiko Yoneda
发明人： Yasuo Shimizu , Katsuji Watanabe , Atsuhiko Yoneda
IPC分类号： G01L3/10 , B62D5/04 , B62D5/22 , D62D5/04
CPC分类号： B62D5/0424 , F16H2025/2096
摘要： An improvement to an electric power steering apparatus which applies an assisting torque produced by an electric motor in correspondence with a steering torque to a rack shaft by way of a belt type transmission mechanism. A driving pulley of the belt type transmission mechanism is mounted to an output shaft part of the motor shaft of the electric motor. This output shaft part is rotatably supported at locations on both sides of the driving pulley.
摘要翻译：一种电动助力转向装置的改进，其通过带式传动机构将与电动机产生的对应于转向转矩的辅助转矩施加到齿条轴。皮带式传动机构的驱动皮带轮安装在电动马达的马达轴的输出轴部分上。该输出轴部可旋转地支撑在驱动带轮的两侧的位置。

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