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. 发明授权

US07204167B2 Motor-driven power steering apparatus 有权
标题翻译：电动助力转向装置
公开(公告)号：US07204167B2
公开(公告)日：2007-04-17
申请号：US11442336
申请日：2006-05-30
申请人： Kazuo Chikaraishi , Toshiyuki Onizuka , Shuji Endo
发明人： Kazuo Chikaraishi , Toshiyuki Onizuka , Shuji Endo
IPC分类号： B62D5/04
CPC分类号： G01L5/221 , B62D5/0409 , B62D15/0215 , Y10T74/19888
摘要： The present invention relates to a motor-driven power steering apparatus structured such as to apply a steering assist force generated by a motor to a steering system of a motor vehicle or a vehicle in accordance with a rotation force of an electric motor on the basis of a steering torque detected by a torque sensor. Further, the invention relates to a rotation angle sensor for detecting a rotation angle of a steering shaft, a detected portion of the rotation angle sensor is provided within the speed reduction gear, and a detecting portion of the rotation angle sensor is provided in a radial direction of the steering shaft and in an outer side of a bearing in the speed reduction gear.
摘要翻译：电动助力转向装置技术领域本发明涉及一种电动机动力转向装置，其特征在于，根据电动机的旋转力，将由电动机产生的转向辅助力施加到机动车辆或车辆的转向系统由转矩传感器检测的转向转矩。此外，本发明涉及一种用于检测转向轴的旋转角度的旋转角度传感器，旋转角度传感器的检测部分设置在减速齿轮内，旋转角度传感器的检测部分设置在径向转向轴的方向和减速齿轮的轴承的外侧。

2. 发明申请

US20070055426A1 Steering angle sensor 有权
标题翻译：转向角传感器
公开(公告)号：US20070055426A1
公开(公告)日：2007-03-08
申请号：US10572504
申请日：2004-09-14
申请人： Takeshi Hara , Takeshi Ishikawa , Toshiyuki Onizuka , Shuji Endo
发明人： Takeshi Hara , Takeshi Ishikawa , Toshiyuki Onizuka , Shuji Endo
IPC分类号： B62D6/00
CPC分类号： G01D5/145 , B62D5/0409 , B62D15/0215
摘要： A steering angle sensor detects a rotational angle of a steering system whose steering is assisted by driving of an electric motor via a reduction mechanism so as to calculate a steering angle of a steering wheel. The steering angle sensor has: a sensor wheel operating simultaneously with rotation of a steering shaft; and an absolute angle calculating means for calculating an absolute steering angle based on a steering angle signal from the sensor wheel. The sensor wheel has a GMR element and a magnetizing portion which is arranged around the GMR element, and the rotational angle is detected with two turns of the steering shaft being one cycle based on a change in resistance value of the GMR element obtained by changing a magnetic field direction according to rotation of the magnetizing portion.
摘要翻译：转向角传感器通过减速机构检测通过驱动电动机辅助转向的转向系统的旋转角度，以计算方向盘的转向角度。转向角传感器具有：与转向轴的旋转同时操作的传感器轮; 以及绝对角度计算装置，用于基于来自传感器轮的转向角信号来计算绝对转向角。传感器轮具有GMR元件和设置在GMR元件周围的磁化部，并且基于通过改变所获得的GMR元件的电阻值的变化，转向轴的两匝被检测到转动角度为一个周期根据磁化部的旋转的磁场方向。

3. 发明授权

US06386052B1 Torque sensor 失效
标题翻译：扭矩传感器
公开(公告)号：US06386052B1
公开(公告)日：2002-05-14
申请号：US09229737
申请日：1999-01-14
申请人： Kouichi Satoh , Toshiyuki Onizuka , Kazuo Chikaraishi
发明人： Kouichi Satoh , Toshiyuki Onizuka , Kazuo Chikaraishi
IPC分类号： G01L310
CPC分类号： G01L3/105 , B62D5/049 , B62D6/10 , G01L3/109
摘要： A torque sensor which does not require complicated neutral adjustment using a position adjustment mechanism or the like, which is capable of reducing cost and heat generation, improving reliability and realizing a one-system detection circuit. A torque sensor has a control calculating portion for varying operation timing of a coil for detecting torque and sample holding timing and a storage portion for storing an initial value of each element of the torque sensor. The torque is detected on the basis of sampling of transition voltage of the coil and a comparison with the initial value in the storage portion is made during detection of the torque is not being performed so that a failure of each element of the torque sensor is detected. Another torque sensor structured to detect torque in accordance with transient voltages which are generated in the portion in which coils and electric resistors are connected to each other is enabled to detect an abnormality of short circuit between a pair of the coils. At timing at which the torque is not detected, only either of rectangular-wave control voltages is applied to a transistor. At timing synchronized with falling of the control voltage, output voltage is A/D-converted and read. In accordance with whether or not output voltage is the same as power supply voltage, short circuit between the coils is detected.
摘要翻译：一种扭矩传感器，其不需要使用位置调节机构等进行复杂的中性调整，能够降低成本和发热，提高可靠性并实现单系统检测电路。扭矩传感器具有用于改变用于检测扭矩和样品保持定时的线圈的操作定时的控制计算部分和用于存储转矩传感器的每个元件的初始值的存储部分。基于线圈的转换电压的采样来检测转矩，并且在检测到扭矩未被执行时，进行与存储部中的初始值的比较，从而检测到转矩传感器的每个元件的故障。构成为根据在线圈和电阻器彼此连接的部分中产生的瞬态电压来检测转矩的另一扭矩传感器能够检测一对线圈之间的短路异常。在没有检测到转矩的定时，只有矩形波控制电压中的任何一个被施加到晶体管。在与控制电压下降同步的定时下，输出电压进行A / D转换和读取。根据输出电压是否与电源电压相同，检测线圈之间的短路。

4. 发明授权

US09254863B2 Torque detecting device and electric power steering device 有权
标题翻译：扭矩检测装置和电动助力转向装置
公开(公告)号：US09254863B2
公开(公告)日：2016-02-09
申请号：US13581238
申请日：2012-03-21
申请人： Masaki Kuwahara , Takayuki Kobayashi , Kazuhiro Yoshida , Toshiyuki Onizuka , Takayoshi Sugawara , Nobuhiko Andou
发明人： Masaki Kuwahara , Takayuki Kobayashi , Kazuhiro Yoshida , Toshiyuki Onizuka , Takayoshi Sugawara , Nobuhiko Andou
IPC分类号： G01L3/00 , B62D5/04 , G01L25/00 , G01L3/10
CPC分类号： B62D5/0481 , B62D5/049 , G01L3/101 , G01L3/105 , G01L25/006
摘要： There is provided a torque detecting device for providing a highly accurate torque signal, and an electric power steering device using the torque detecting device. A torque sensor is provided with a first coil pair and a second coil pair, which detect a relative displacement between an input shaft and an output shaft by corresponding the relative displacement to a change in impedance. Magnetization signal generating units supply exciting currents with different magnetization frequencies to the first coil pair and a second coil pair, respectively. The magnetization frequency difference is set to 3.5 kHz or higher. Moreover, low-pass filters for intercepting passage of a frequency equivalent to the magnetization frequency difference are deployed in signal processing circuits respectively.
摘要翻译：提供了一种用于提供高精度的扭矩信号的扭矩检测装置和使用扭矩检测装置的电动助力转向装置。转矩传感器具有第一线圈对和第二线圈对，其通过将相对于阻抗变化的相对位移相应地检测输入轴与输出轴之间的相对位移。磁化信号发生单元分别向第一线圈对和第二线圈对提供具有不同磁化频率的励磁电流。磁化频率差设定为3.5kHz以上。此外，用于截取频率相当于磁化频率差的通过的低通滤波器分别部署在信号处理电路中。

5. 发明申请

US20070209864A1 Electric Power Steering Apparatus 审中-公开
标题翻译：电动转向装置
公开(公告)号：US20070209864A1
公开(公告)日：2007-09-13
申请号：US11547648
申请日：2005-04-05
申请人： Toru Segawa , Hiroshi Eda , Kazuo Chikaraishi , Kenji Someya , Toshiyuki Onizuka
发明人： Toru Segawa , Hiroshi Eda , Kazuo Chikaraishi , Kenji Someya , Toshiyuki Onizuka
IPC分类号： B62D5/04
CPC分类号： B62D5/0409 , B62D5/0403
摘要： In an electric power steering apparatus in which steering torque applied on a steering wheel is detected by a torque sensor, and a steering assist torque is generated by an electric motor in accordance with the detected steering torque and transmitted to an output shaft of a steering mechanism with a speed reduced by a worm gear mechanism, the gear meshing position in the worm gear mechanism and the position of the torque sensor are arranged to be substantially coincide with each other with respect to the axial direction of the output shaft. Alternatively, a worm wheel of the worm gear mechanism is directly supported on a housing in a rotatable manner by means of a bearing. A steering shaft and an input shaft of a power assist section are fixedly connected in close contact attained by plastic deformation.
摘要翻译：在通过转矩传感器检测到施加在方向盘上的转向转矩的电动助力转向装置中，并且通过电动机根据检测到的转向转矩产生转向辅助转矩并将其传递到转向机构的输出轴通过蜗轮机构降低速度，蜗轮机构中的齿轮啮合位置和扭矩传感器的位置被布置成相对于输出轴的轴向彼此大致重合。或者，蜗轮机构的蜗轮通过轴承以可旋转的方式直接支撑在壳体上。动力辅助部分的转向轴和输入轴通过塑性变形紧密接触而固定连接。

6. 外观设计

USD340041S Actuator controller 失效
公开(公告)号：USD340041S
公开(公告)日：1993-10-05
申请号：US662883
申请日：1991-03-01
申请人： Sousuke Kawashima , Toshiyuki Onizuka
设计人： Sousuke Kawashima , Toshiyuki Onizuka

7. 发明授权

US07426978B2 Electric power steering apparatus 有权
标题翻译：电动助力转向装置
公开(公告)号：US07426978B2
公开(公告)日：2008-09-23
申请号：US11605372
申请日：2006-11-29
申请人： Toshiyuki Onizuka , Kazuo Chikaraishi , Shuji Endo
发明人： Toshiyuki Onizuka , Kazuo Chikaraishi , Shuji Endo
IPC分类号： B62D5/04 , G01L3/10
CPC分类号： B62D15/0235 , B62D5/0409 , B62D5/0421 , B62D15/0215 , F16H1/16 , H02K7/1166 , H02K11/215 , H02K11/24
摘要： In an electric power steering apparatus that urges a steering shaft or a rack shaft with an assist load using the drive force of a motor by a transmission mechanism via reduction gears, the reduction gears includes a rotation angle sensor assembled integrally therewith.
摘要翻译：在电动助力转向装置中，通过减速齿轮通过变速机构利用电动机的驱动力来促使转向轴或齿条轴的辅助负载，所述减速齿轮包括与其一体组装的旋转角度传感器。

8. 发明申请

US20060213717A1 Motor-driven power steering apparatus 有权
标题翻译：电动助力转向装置
公开(公告)号：US20060213717A1
公开(公告)日：2006-09-28
申请号：US11442336
申请日：2006-05-30
申请人： Kazuo Chikaraishi , Toshiyuki Onizuka , Shuji Endo
发明人： Kazuo Chikaraishi , Toshiyuki Onizuka , Shuji Endo
IPC分类号： B62D5/04
CPC分类号： G01L5/221 , B62D5/0409 , B62D15/0215 , Y10T74/19888
摘要： The present invention relates to a motor-driven power steering apparatus structured such as to apply a steering assist force generated by a motor to a steering system of a motor vehicle or a vehicle in accordance with a rotation force of an electric motor on the basis of a steering torque detected by a torque sensor. Further, the invention relates to a rotation angle sensor for detecting a rotation angle of a steering shaft, a detected portion of the rotation angle sensor is provided within the speed reduction gear, and a detecting portion of the rotation angle sensor is provided in a radial direction of the steering shaft and in an outer side of a bearing in the speed reduction gear.
摘要翻译：电动助力转向装置技术领域本发明涉及一种电动机动力转向装置，其特征在于，根据电动机的旋转力，将由电动机产生的转向辅助力施加到机动车辆或车辆的转向系统由转矩传感器检测的转向转矩。此外，本发明涉及一种用于检测转向轴的旋转角度的旋转角度传感器，旋转角度传感器的检测部分设置在减速齿轮内，旋转角度传感器的检测部分设置在径向转向轴的方向和减速齿轮的轴承的外侧。

9. 发明授权

US5811695A Torque sensor 失效
标题翻译：扭矩传感器
公开(公告)号：US5811695A
公开(公告)日：1998-09-22
申请号：US892971
申请日：1997-07-15
申请人： Kouichi Satoh , Toshiyuki Onizuka , Kazuho Chikaraishi
发明人： Kouichi Satoh , Toshiyuki Onizuka , Kazuho Chikaraishi
IPC分类号： B62D5/04 , G01L3/10
CPC分类号： G01L3/105 , G01L3/109
摘要： In a torque sensor, coils and resistors constitute a bridge circuit, and the mutual connection part of the coils is connected to a power source via a coil drive unit. A control voltage, which varies in the square wave form, is supplied to the gate of a transistor in the coil drive unit so as to vary the voltage supplied to the coils in the square wave form. The output voltages which are the voltages between the coils and the resistors are input to the differential amplifier and the output voltage of the differential amplifier is held by a sample holding circuit to be supplied to a controller as the output voltage. The sample holding circuit holds the output voltage of the differential amplifier when the output voltages between the coils and the resistors are in the transient period. The controller detects the torque based on the output voltage of the sample holding circuit. An abnormal state monitoring unit is provided to detect an abnormal state of the coils.
摘要翻译：在扭矩传感器中，线圈和电阻器构成桥接电路，线圈的相互连接部分通过线圈驱动单元连接到电源。以方波形式变化的控制电压被提供给线圈驱动单元中的晶体管的栅极，以便以方波形式改变提供给线圈的电压。作为线圈和电阻器之间的电压的输出电压被输入到差分放大器，并且差分放大器的输出电压由采样保持电路保持以供给到控制器作为输出电压。当线圈和电阻器之间的输出电压处于过渡期间时，采样保持电路保持差分放大器的输出电压。控制器根据样品保持电路的输出电压来检测转矩。提供异常状态监视单元以检测线圈的异常状态。

10. 发明授权

US09248853B2 Abnormality diagnosing method for torque detecting device and electric power steering device 有权
标题翻译：扭矩检测装置和电动助力转向装置异常诊断方法
公开(公告)号：US09248853B2
公开(公告)日：2016-02-02
申请号：US13580883
申请日：2012-03-21
申请人： Masaki Kuwahara , Takayuki Kobayashi , Kazuhiro Yoshida , Toshiyuki Onizuka , Takayoshi Sugawara , Nobuhiko Andou
发明人： Masaki Kuwahara , Takayuki Kobayashi , Kazuhiro Yoshida , Toshiyuki Onizuka , Takayoshi Sugawara , Nobuhiko Andou
IPC分类号： G01L3/10 , B62D5/04 , G01L25/00
CPC分类号： B62D5/0481 , B62D5/049 , G01L3/101 , G01L3/105 , G01L25/006
摘要： An abnormality diagnosing method is provided for a torque detecting device and an electric power steering device is provided using the torque detecting device. Immediately after the power supply is turned on and before steering auxiliary control is started, initial diagnosis is performed to determine that each monitoring block for monitoring an abnormality of a signal processing circuit constituting a torque detecting device operates normally. The initial diagnosis determines that a monitoring block is operating normally, by inputting a normal signal and an abnormal signal to the monitoring block alternately, and finding that the monitoring block carries out normal diagnosis when it receives the normal signal and that it carries out abnormal diagnosis when it receives the abnormal signal. Once all of the monitoring blocks are determined as normal, the steering auxiliary control based on a steering torque detected by the torque detecting device is started.
摘要翻译：提供了一种用于扭矩检测装置的异常诊断方法，并且使用扭矩检测装置提供电动助力转向装置。在电源接通之后并且在转向辅助控制开始之前，执行初始诊断以确定用于监视构成转矩检测装置的信号处理电路的异常的每个监视块正常工作。初始诊断通过交替地向监控块输入正常信号和异常信号，确定监控块正常运行，并且当接收到正常信号并发现异常诊断时发现监控块进行正常诊断当它收到异常信号。一旦正常地确定了所有的监视块，则开始基于由转矩检测装置检测到的转向转矩的转向辅助控制。

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