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1. 发明专利

JP2004001646A Steering control device for vehicle 有权
公开(公告)号：JP2004001646A
公开(公告)日：2004-01-08
申请号：JP2002160469
申请日：2002-05-31
申请人： Fuji Kiko Co Ltd , Nissan Motor Co Ltd , Thk Co Ltd , Thk株式会社 , 富士機工株式会社 , 日産自動車株式会社
发明人： SUDA KATSUHIRO , NOJIRI TAKAO , HIKOSAKA NAOKI , MICHIOKA HIDEKAZU , KIMOTO MASASHI , KANESHIGE CHU , IMAMURA MASAYUKI , IIDA KATSUYA , KAWAKAMI TAKEOMI
IPC分类号： B62D1/16 , B62D5/00 , F16H25/06 , F16H25/20
CPC分类号： B62D5/008 , F16H25/06 , Y10T74/18576 , Y10T74/18624 , Y10T74/18752
摘要： PROBLEM TO BE SOLVED: To provide a steering control device for a vehicle with a new mechanism using a ball screw mechanism that can attain further miniaturization. SOLUTION: This steering control device for the vehicle is provided with a first input shaft 1 connected to a steering wheel; a second input shaft 2 connected to a motor 8; an output shaft 3 connected to a steered wheel; a first transmission means 6 for rotating a nut 5 by the rotation of the first input shaft 1 so that the rotation of the first input shaft 1 is transmitted to the rotation of the output shaft 3; and a second transmission means 7 for putting the nut 5 in linear motion in an axial direction to the output shaft 3 by the rotation of the second input shaft 2 so that the rotation of the second input shaft 2 is transmitted to the rotation of the output shaft 3. The center line of the second input shaft and the center line of the output shaft 3 are arranged almost on the same straight line. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2011178381A Electric hydraulic device and hydraulic fluid temperature control method of electric hydraulic device 有权
标题翻译：电动液压装置及液压流体温度控制方法
公开(公告)号：JP2011178381A
公开(公告)日：2011-09-15
申请号：JP2010226579
申请日：2010-10-06
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： BITO TAKAYUKI , UCHIDA KO , SUDA KATSUHIRO , UEDA TAISUKE , INOUE NOBORU , TAKAHASHI YOSHIKAZU , KITA HIDEYUKI , KOIKE YOHEI , TAZAWA SHIGEAKI
IPC分类号： B62D6/00 , B62D5/06 , B62D5/12 , B62D101/00 , B62D107/00 , B62D119/00 , H02P27/06
CPC分类号： B62D5/065 , B62D5/0463 , B62D5/062 , B62D5/064 , F15B21/042 , Y10T74/20018
摘要： PROBLEM TO BE SOLVED: To prevent operation of an electric oil device from becoming unstable by a hydraulic fluid viscosity variation by the temperature. SOLUTION: In this electric hydraulic device such as an electric hydraulic power steering device for a vehicle, an inverter 42 for controlling an electric motor 50 is integrally constituted adjacent to the electric motor 50 for driving a hydraulic pump 60. A hydraulic pipe 66 is arranged in close vicinity to the inverter 42, and heat generated from the inverter 42 and the electric motor 50 is transmitted to the hydraulic pipe 66, restraining a temperature change in a hydraulic fluid. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了防止电动油装置由于通过温度的液压流体粘度变化而变得不稳定。解决方案：在诸如用于车辆的电动液压动力转向装置的电动液压装置中，用于控制电动机50的逆变器42与用于驱动液压泵60的电动机50相邻地一体地构成。液压管 66设置在逆变器42附近，并且从逆变器42和电动机50产生的热量被传递到液压管66，从而抑制液压流体的温度变化。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2010221804A Electric hydraulic pressure type power steering device 审中-公开
标题翻译：电动液压式动力转向装置
公开(公告)号：JP2010221804A
公开(公告)日：2010-10-07
申请号：JP2009070256
申请日：2009-03-23
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： TAZAWA SHIGEAKI , UCHIDA KO , KOIKE YOHEI , KITA HIDEYUKI , UEDA TAISUKE , BITO TAKAYUKI , SUDA KATSUHIRO , TAKAHASHI YOSHIKAZU
IPC分类号： B62D5/07
摘要： PROBLEM TO BE SOLVED: To provide an electric hydraulic pressure type power steering device which constitutes a mechanism without the need for a solenoid selector valve or an electronic circuit for controlling it, to avoid an excessive steering force even when the steering mechanism stops the assistance of the steering force. SOLUTION: First and second orifices 120, 130 are provided on the midways of first and second liquid paths 70, 80 connecting a reversible type pump 40 to a hydraulic pressure power cylinder 30, and first and second communication passages 100, 110 are provided for communicating the first and second liquid paths 70, 80 with each other. A first valve 120 is provided on the midway of the first communication passage 100, and a second valve 130 is provided on the midway of the second communication passage 110. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：为了提供一种电动液压式动力转向装置，其构成机构而不需要用于控制它的电磁选择阀或电子电路，以避免即使当转向机构停止时也会产生过大的转向力转向力的帮助。解决方案：第一和第二孔120,130设置在将可逆型泵40连接到液压动力缸30的第一和第二液体通道70,80的中间，第一和第二连通通道100,110是用于使第一和第二液体通道70,80彼此连通。第一阀120设置在第一连通通道100的中途，第二阀130设置在第二连通通道110的中途。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010137782A Electrohydraulic power steering device 审中-公开
标题翻译：电动力转向装置
公开(公告)号：JP2010137782A
公开(公告)日：2010-06-24
申请号：JP2008317470
申请日：2008-12-12
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： KITA HIDEYUKI , BITO TAKAYUKI , SUDA KATSUHIRO , UCHIDA KO
IPC分类号： B62D5/07 , B62D5/06
摘要： PROBLEM TO BE SOLVED: To improve the working efficiency of air ventilation without a need for withstanding residual pressure in return steering from a lock angle. SOLUTION: This device includes a steering angle sensor 14 detecting a steering angle of a steering wheel 1, a guidance air ventilation flag set means 16 for setting a guidance air ventilation flag, and a steering limit angle approaching determination means 17 for determining that the steering angle of the steering wheel 1 reaches a predetermined angle immediately before a steering limit angle. In a state that the guidance air ventilation flag is set, when the steering angle of the steering wheel 1 increases and reaches a value not smaller than a predetermined angle from a value smaller than a predetermined angle immediately before the steering limit angle, a control means 17 rotates an electric motor 5 in a direction opposite to a rotating direction for giving a steering auxiliary force of a steering direction to a steering mechanism 4. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提高空气通风的工作效率，而不需要从锁定角度回转转向中承受残余压力。解决方案：该装置包括检测方向盘1的转向角的转向角传感器14，用于设定引导空气通风标志的引导用通风标志设定单元16以及用于判定方向盘1的转向角在紧接转向极限角度之前达到预定角度。在设定引导空气通气标志的状态下，当方向盘1的转向角度从小于在转向限制角度之前的预定角度的值以上而达到不小于预定角度的值时，控制装置 17使电动马达5沿与旋转方向相反的方向旋转，以向转向机构4提供转向方向的转向辅助力。（C）2010，JPO＆INPIT

5. 发明专利

JP2007203784A Power steering system 有权
标题翻译：动力转向系统
公开(公告)号：JP2007203784A
公开(公告)日：2007-08-16
申请号：JP2006022194
申请日：2006-01-31
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： BITO TAKAYUKI , UCHIDA KO , SUDA KATSUHIRO
IPC分类号： B62D6/00 , B62D5/07
摘要： PROBLEM TO BE SOLVED: To provide a power steering device capable of suppressing a torque variation when a steering wheel is turned back. SOLUTION: The power steering device is equipped with exhaust passages to exhaust to a reserver tank 60c the liquid pressure in the first cylinder chamber 18 and second cylinder chamber 20 of a power cylinder 12, return check valves 64 installed in the respective exhaust passages and having a free piston 70 to make relative open-close changeover of each exhaust passage in accordance with the difference in the liquid pressure between the two chambers of the power cylinder 12 owing to the operation of an oil pump 28, and a back pressure valve 66 to admit passing of the liquid pressure equal to or over the set pressure P SET only to the reserver tank 60c from each return check valve 64, wherein the output drive force of an electric motor 30 is limited when the motion of the free piston 70 after turning-back of the steering wheel by the driver is sensed. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种当方向盘回转时能够抑制转矩变化的动力转向装置。解决方案：动力转向装置配备有排气通道，用于向储存罐60c排放动力缸12的第一缸室18和第二缸室20中的液体压力，将止回阀64安装在各自的排气口中通道，并且具有自由活塞70，以根据由油泵28的操作引起的动力缸12的两个腔室之间的液压的差别来进行每个排气通道的相对开 - 关切换阀66将从等于或超过设定压力P SET 的液体压力通过从每个止回阀64到储存罐60c，其中电动机30的输出驱动力受到限制当感测到驾驶员在转向方向盘之后自由活塞70的运动。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2010144821A Valve 有权
标题翻译：阀
公开(公告)号：JP2010144821A
公开(公告)日：2010-07-01
申请号：JP2008322295
申请日：2008-12-18
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： TAKAHASHI YOSHIKAZU , UCHIDA KO , SUDA KATSUHIRO , KOIKE YOHEI
IPC分类号： F16K11/07 , B62D5/07
摘要： PROBLEM TO BE SOLVED: To provide a valve capable of reducing the number of components, capable of reducing manufacturing costs by simplifying a structure and reducing machining man-hours and assembly man-hours of each component, and capable of carrying out miniaturization as a whole by integrating a plurality of parts. SOLUTION: A small diameter part 28 housed in a valve housing 23 provided with large diameter chambers 26, 27 and an exterior opened passage and formed with a small diameter chamber 25 communicating with both large diameter chambers 26, 27, and formed with a fluid chamber positioned in the small diameter chamber 25 and communicating with the exterior opened passage, and large diameter parts 29, 30 continuous with both sides of the small diameter part 28 via a level difference face are integrally formed. The large diameter parts 29, 30 have a free piston 24 having a communication passage communicating the large diameter chambers 26, 27 of a low pressure side with the small diameter chamber 25 to open the low pressure side during movement to the low pressure side due to the input of a high pressure fluid. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够减少部件数量的阀，其能够通过简化结构并减少每个部件的加工工时和组装工时而降低制造成本，并且能够进行小型化整体上通过集成多个部分。解决方案：容纳在具有大直径室26,27的阀壳体23中的小直径部分28和外部打开的通道，并形成有与两个大直径室26,27连通的小直径室25，并且形成有定位在小直径室25中并与外部开放通道连通的流体室，并且通过液位差面与小直径部28的两侧连续的大直径部分29,30一体形成。大直径部件29,30具有自由活塞24，该自由活塞24具有将低压侧的大直径室26,27与小直径室25连通的连通通道，以在向低压侧移动期间打开低压侧，由于输入高压流体。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2006021562A Steering control device for vehicle 有权
标题翻译：车辆转向控制装置
公开(公告)号：JP2006021562A
公开(公告)日：2006-01-26
申请号：JP2004199250
申请日：2004-07-06
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： ONO HITOSHI , HOSHINO YOJI , SUDA KATSUHIRO , YASUNO YOSHIKI
IPC分类号： B62D6/00 , B62D1/20 , B62D5/04 , B62D101/00 , B62D113/00 , B62D119/00
CPC分类号： B62D5/0472 , B62D5/008 , B62D5/0469
摘要： PROBLEM TO BE SOLVED: To establish compatibility between the out-of-assist prevention resulting from a delay in follow-up of a steering force assisting mechanism and the dislocation prevention of the maximum rotational angle of the steering wheel resulting from a difference in the steering angular velocity.
SOLUTION: A steering control device for a vehicle is equipped with a steering angle ratio changing mechanism 5 to change the steering angle ratio as the ratio of the steering angle of the front wheels 2 to the turning angle of the steering wheel 1 and the steering force assisting mechanism 6 to give a steering assist force for the steering force of the driver to a steering mechanism 3 to steer the front wheels 2, wherein the device further includes a steering angle ratio control unit 12 which enlarges the steering angle ratio in the steering angle region around the neutral point in steering irrespective of the turning angular velocity of the steering wheel 1 and lessens the steering angle ratio in the steering angle region around the rack stopper position.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了确定由于转向力辅助机构的后续延迟而引起的辅助防止与防止由于差异导致的方向盘的最大旋转角度的位错之间的兼容性在转向角速度。解决方案：一种用于车辆的转向控制装置配备有转向角比例改变机构5，以改变前轮2的转向角与方向盘1的转向角度之比的转向角比，以及转向力辅助机构6为驾驶员的转向力给转向机构3提供用于转向前轮2的转向辅助力，其中该装置还包括转向角比控制单元12，该转向角比控制单元12将转向角比扩大在转向中的中点附近的转向角区域，而与方向盘1的转动角速度无关，并且减小了齿条停止位置周围的转向角区域中的转向角比。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005067262A Electric power steering control device 有权
标题翻译：电动转向控制装置
公开(公告)号：JP2005067262A
公开(公告)日：2005-03-17
申请号：JP2003209170
申请日：2003-08-28
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： HARA KAZUO , SUDA KATSUHIRO
IPC分类号： B62D6/00 , B62D5/04 , B62D101/00 , B62D111/00 , B62D113/00 , B62D119/00 , B62D137/00
摘要： PROBLEM TO BE SOLVED: To provide an electric power steering control device which secures good steering feeling by carrying out stop-requested time control of an assist torque with a steering state monitoring function left behind, if motor control is made to stop when operation stop is requested according to anomaly detection.
SOLUTION: The electric power steering control device comprises an abnormal time motor assist amount calculating part 17c for stopping the motor control when the operation stop is requested according to the anomaly detection and for reducing energization of the assist torque by an electric motor 9. The abnormal time motor assist amount calculating part 17c is a means for taking detection information from a plurality of detecting means for estimating a steering state, choosing a detecting means for estimating a steering state in normal operation from a plurality of the detecting means for estimating a steering state when the operation stop is requested, and carrying out stop/shift control of the assist torque by the electric motor 9 while monitoring a steering estimation value from the chosen detecting means for estimating a steering state.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种电动助力转向控制装置，其通过执行具有后退转向状态监视功能的辅助转矩的停止请求时间控制来确保良好的转向感，如果电动机控制停止，则停止根据异常检测要求运行停止。解决方案：电动助力转向控制装置包括异常时间电动机辅助量计算部17c，用于当根据异常检测请求操作停止时停止电动机控制，并且通过电动机9减少辅助转矩的通电异常时间电动机辅助量计算部17c是从多个检测机构取得检测信息的装置，用于估计转向状态，从多个检测装置中选择用于估计正常操作中的转向状态的检测装置，当请求操作停止时的转向状态，并且在从所选择的检测装置监视转向状态的转向估计值的同时，通过电动机9进行辅助转矩的停止/变速控制。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2010286063A Oldham's joint 有权
标题翻译： OLDHAM'S JOINT
公开(公告)号：JP2010286063A
公开(公告)日：2010-12-24
申请号：JP2009141011
申请日：2009-06-12
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： KOIKE YOHEI , UCHIDA KO , SUDA KATSUHIRO , TAKAHASHI YOSHIKAZU , BITO TAKAYUKI , UEDA TAISUKE , TAZAWA SHIGEAKI , KITA HIDEYUKI , INOUE NOBORU
IPC分类号： F16D3/04
摘要： PROBLEM TO BE SOLVED: To provide an Oldham's joint capable of reducing stress generated in a key when the key of a rotary shaft contacts with a key groove when the rotary shaft is inclined to a cylindrical member.
SOLUTION: The Oldham's joint 30 includes: a first rotary shaft 31 having the key groove 31a formed at a tip; a second rotary shaft 32 having the key 32a relatively fitted to the key groove at the tip so as to be displaceable; and the cylindrical member 33 having a through-fitting hole 33a fitted to one rotary shaft from the other rotary shaft of the first rotary shaft and the second rotary shaft so that rotation can be transmitted in a shape of corresponding to the key groove and the key by inserting the key groove from one end side, and inserting the key from the other end side.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：当旋转轴倾斜于圆柱形构件时，当旋转轴的键与键槽接触时，提供能够减小钥匙产生的应力的十字接头。解决方案：十字接头30包括：第一旋转轴31，其具有形成在尖端处的键槽31a; 第二旋转轴32，其具有相对于尖端处的键槽相对地配合的键32a，以便可移动; 圆柱形构件33具有从第一旋转轴和第二旋转轴的另一旋转轴安装到一个旋转轴的通孔33a，使得旋转可以以对应于键槽和键的形状传递通过从一端侧插入钥匙槽，并从另一端侧插入钥匙。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2009036040A Trochoid pump and method of bleeding air from power steering device 审中-公开
标题翻译：铁路泵和从动力转向装置排出空气的方法
公开(公告)号：JP2009036040A
公开(公告)日：2009-02-19
申请号：JP2007199036
申请日：2007-07-31
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： TAKAHASHI YOSHIKAZU , SUDA KATSUHIRO , UCHIDA KO , YOSHIZAWA MASAHIKO , INOUE NOBORU , UEDA TAISUKE , BITO TAKAYUKI
IPC分类号： F04C15/06 , B62D5/07 , F04C2/10 , F04C15/00
摘要： PROBLEM TO BE SOLVED: To improve air bleeding characteristic by a simple structure without causing leakage of hydraulic pressure. SOLUTION: A recessed part 130 allowing an inner rotor 22 to move in the direction of the rotating axis of the inner rotor 22 is formed in a first housing 24 on the discharge ports 101, 103 side. During air bleeding, the inner rotor 22 is moved into the recessed part 130 to facilitate the movement of air from the side gap between the inner rotor 22 and a second housing 25 into a reservoir tank 71 via suction ports 102, 104. After a hydraulic oil is charged after the air bleeding, the inner rotor 22 is moved to a position away from the inside of the recessed part 130 to secure the hydraulic pressure of a pump. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过简单的结构改善排气特性，而不会引起液压泄漏。解决方案：允许内转子22沿着内转子22的旋转轴线的方向移动的凹部130形成在排出口101,103侧的第一壳体24中。在空气渗出期间，内转子22移动到凹入部分130中，以便于将空气从内转子22和第二壳体25之间的侧间隙移动通过吸入口102,104进入储液箱71.液压在空气渗出之后，油被充满，内转子22移动到远离凹部130的内部的位置，以确保泵的液压。版权所有（C）2009，JPO＆INPIT

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