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    • 2. 发明授权
    • Four-wheel steer control system
    • 四轮转向控制系统
    • US4893690A
    • 1990-01-16
    • US277744
    • 1988-11-30
    • Kazunori MoriFukashi SugasawaKenji KawagoeHiroshi Mori
    • Kazunori MoriFukashi SugasawaKenji KawagoeHiroshi Mori
    • B62D6/00B62D7/14B62D7/15B62D101/00B62D113/00B62D117/00
    • B62D7/159B62D7/146
    • A steering control system comprises means for performing a secondary steer of front and rear wheels by angles computed using a steer angle .theta., steer angle angular velocity .theta. and vehicle speed V from the following formulas, ##EQU1## where .delta.f is a front wheel secondary steer angle, .delta.r is a rear wheel secondary steer angle, N is a steer gear ratio and Kf, Kr, Tf and Tr are control constants which are functions of vehicle speed.In accordance with the present invention, the control system is provided with means for correcting the control constants Kf and Kr in such a way that the control constants Kf and Kr become a steady-state value when the steer angle is larger than a predetermined value and become smaller than the steady-state value when the steering angle becomes smaller than the predetermined value, means for correcting the control constants Tf and Tr in such a way that the control constants Tf and Tr become a steady-state value when the steer angle is larger than a predetermined value and become smaller than the second mentioned steady-state value when the steer angle becomes smaller than the second mentioned predetermined value, means for correcting the control constants Kf and Kr in such a way that the control constant Kr reduces at the rate larger than the control constant Kf as the steer angle reduces from the first mentioned predetermined value, and means for correcting the control constants Tf and Tr in such a way that the control constant Tf reeduces at the rate larger than the control contant Tr as the steer angle reduces from the second mentioned predetermined value.
    • 转向控制系统包括用于通过以下公式使用转向角θ,转向角速度θ和车速V计算的角度来执行前轮和后轮的次级转向的装置,其中delta f是前轮次级 转向角,delta r是后轮次级转向角,N是转向齿轮比,Kf,Kr,Tf和Tr是作为车速功能的控制常数。 根据本发明,控制系统具有用于校正控制常数Kf和Kr的装置,使得当转向角大于预定值时,控制常数Kf和Kr成为稳态值, 当转向角小于预定值时变得小于稳态值;用于校正控制常数Tf和Tr的装置,使得控制常数Tf和Tr成为当转向角为稳态值时的稳态值 大于预定值并且当转向角小于第二所述预定值时变得小于第二提到的稳态值;用于校正控制常数Kf和Kr的装置,使得控制常数Kr在 速度大于控制常数Kf,因为转向角从第一预定值减小,以及用于校正控制常数Tf an的装置 d Tr,使得当转向角从第二所述预定值减小时,控制常数Tf以大于控制对手Tr的速率重新输出。
    • 3. 发明授权
    • Combined power steering and variable suspension control arrangement
    • 组合动力转向和可变悬架控制装置
    • US4922427A
    • 1990-05-01
    • US125952
    • 1987-11-27
    • Masatsugu YokoteHideo ItoKenji KawagoeJunsuke Kuroki
    • Masatsugu YokoteHideo ItoKenji KawagoeJunsuke Kuroki
    • B60G17/00B60G17/015B60G17/016B60G17/0195B62D6/06
    • B60G17/016B60G17/0195B62D6/06
    • A suspension and steering control system includes a mode selection which enables a normal mode wherein the suspension is conditioned to produce a soft damping and sufficient power assistance to the steering to produce light steering characteristics and a sporty mode wherein the suspension is conditioned to produce a firm ride and the power assistance to the steering lowered to produce heavier steering characteritics. The system further includes an arrangement for sensing parameters which are related to the attitude of the vehicle and/or the suspension thereof and for (a) during the normal mode, temporarily conditioning the suspension to produce the firm ride characteristics if the attitude of the vehicle is apt to change beyond a predetermined amount, and for (b), during the sporty mode, temporarily conditioning the suspension to produce the soft ride in the event that no substantial changes in the vehicle attitude related parameters are sensed.
    • 悬架和转向控制系统包括模式选择,该模式选择使得能够进行正常模式,其中悬架被调节以产生对转向的软阻尼和足够的功率辅助,以产生光转向特性和运动模式,其中悬架被调节以产生牢固 驾驶和向转向器的动力辅助降低以产生较重的转向特性。 该系统还包括用于感测与车辆的姿态和/或其暂停相关的参数的装置,并且(a)在正常模式期间,如果车辆的姿态暂时调节悬架以产生固定行驶特性 倾向于改变超过预定量,并且对于(b),在运动模式期间,在没有感测到车辆姿态相关参数的实质性变化的情况下暂时调节悬架以产生软骑行。
    • 4. 发明申请
    • TIRE MANUFACTURING METHOD AND PRECURED TREAD
    • 轮胎制造方法和先进的TREAD
    • US20130284349A1
    • 2013-10-31
    • US13976715
    • 2012-02-21
    • Kenji Kawagoe
    • Kenji Kawagoe
    • B29D30/52B29D30/08
    • B29D30/52B29D30/08B29D30/56B29D30/58
    • A tire exhibiting a desired design performance can be manufactured at a low cost using a precured tread having a mounting surface formed flat. In the process of manufacture, a base tire formed with a tread mounting surface having curvatures in the axial and circumferential directions of the tire and a precured tread having amounting surface formed flat, which is to be applied to the tread mounting surface of the base tire, are used. The precured tread has grooves (9) in its tread pattern surface opposite from its mounting surface. And the circumferential and axial lengths of the grooves (9) are formed shorter than desired design values, based on the differences in the circumferential and axial lengths between when the mounting surface of the tread applied to the base tire is curved along the curvatures of the tread mounting surface of the base tire and when the mounting surface of the tread is in a flat state.
    • 使用具有平坦的安装面的预硫化胎面,可以低成本地制造具有期望的设计性能的轮胎。 在制造过程中,形成胎面安装面的轮胎的轴向和周向具有曲率的胎基轮胎和具有平坦表面的预硫化胎面,基础轮胎将被施加到基础轮胎的胎面安装面上 ,被使用。 预硫化胎面在其与其安装表面相对的胎面花纹表面中具有凹槽(9)。 并且,基于在施加到基础轮胎的胎面的安装表面沿着曲轴的曲率弯曲的周向和轴向长度上的差异,凹槽(9)的周向和轴向长度形成为短于期望的设计值 基座轮胎的胎面安装面和胎面的安装面处于平坦状态时。
    • 6. 发明授权
    • Pneumatic tire with tread having projections for preventing stone trapping
    • 具有胎面的气动轮胎具有用于防止石材捕获的突起
    • US08408260B2
    • 2013-04-02
    • US12524954
    • 2007-12-21
    • Kenji Kawagoe
    • Kenji Kawagoe
    • B60C11/04B60C11/13
    • B60C11/047B60C11/04B60C11/042B60C11/1315
    • The object of the present invention is to provide a pneumatic tire with an operation life elongated by a countermeasure for stone trapping. Projections 28 for preventing stone trapping are disposed on a groove bottom only of a flexion portion 24 of a center main groove 20 disposed on a tread portion 18 where the main groove bends in a zigzag manner, and an angle of a groove wall of a linear portion 26 connecting the adjacent bending portions with respect to a tread normal line direction is larger than an angle of a groove wall of the flexion portion 24 with respect to the tread normal line direction. This can suppress stone trapping at the same level as the conventional tire without providing a projection for preventing stone trapping on the linear portion 26. Therefore, the number of projections 28 for preventing stone trapping can be significantly reduces as compared to the conventional tire to remarkably decrease likelihood of appearing the projections 28 for preventing stone trapping on the tire surface while the tire is still usable.
    • 本发明的目的是提供一种充气轮胎,其具有通过石材捕集的对策而延长的操作寿命。 用于防止石材捕获的突出部28仅设置在设置在主凹槽以锯齿形的方式弯曲的胎面部分18上的中心主槽20的弯曲部分24的凹槽底部,并且线性的槽壁的角度 相对于胎面法线方向连接相邻弯曲部的部分26大于弯曲部24的槽壁相对于胎面法线方向的角度。 这样可以抑制与传统轮胎相同水平的石块,而不会提供用于防止石块在直线部分26上的捕获的突起。因此,与常规轮胎相比,用于防止石材捕获的突起28的数量可以显着地减少 减少在轮胎仍然可用的情况下出现用于防止在轮胎表面上的石头捕获的突起28的可能性。
    • 7. 发明授权
    • Wheel suspension for rear wheels
    • 后轮车轮悬挂
    • US5765858A
    • 1998-06-16
    • US713408
    • 1996-09-13
    • Kenji KawagoeTakuya MurakamiMasaharu SatouTakaaki UnoHideo AimotoTamiyoshi KasaharaHiroshi Nagaoka
    • Kenji KawagoeTakuya MurakamiMasaharu SatouTakaaki UnoHideo AimotoTamiyoshi KasaharaHiroshi Nagaoka
    • B60G3/20B60G3/26B60G13/00B60G15/06B60G21/055F16F9/38F16F9/54B60G3/00
    • F16F9/54B60G13/003B60G3/26F16F9/38B60G2200/18B60G2200/184B60G2200/462B60G2202/12B60G2202/24B60G2204/1244B60G2204/128
    • A rear wheel suspension arrangement for an automotive vehicle provides an axle housing rotatably mounting rear vehicular road wheels, each of the wheels having a wheel center. At each wheel, a radius rod which extends forwardly and inwardly, as viewed in a normal forward direction of the vehicle, is connected to the axle housing at a first articulated connection at a position lower than the wheel center. Further, a front lateral link, extending generally transversely to the forward direction of the vehicle is connected to the axle housing at a second articulated connection also located below the wheel center. In addition, a rear lateral link, positioned rearwardly of the front lateral link and extending in the traverse direction of the vehicle, is connected to the axle housing at a third articulated connection also located below the wheel center. The suspension structure also includes an upper arm having an articulated connection to the axle housing at a position above the wheel center. A coil spring is disposed between a lower side of a vehicle body and an upper surface of the rear lateral link, while a shock absorber having a coaxially mounted bump rubber provided at an upper side thereof is connected at an upper end thereof to the vehicle body and at a lower end thereof to a fourth articulated connection at an upper side of the axle housing.
    • 用于机动车辆的后轮悬挂装置提供可旋转地安装后车辆车轮的车轴壳体,每个车轮具有车轮中心。 在每个车轮处,当从车辆的正常向前方向观察时向前和向内延伸的半径杆在第一铰接连接处在低于车轮中心的位置处连接到车轴壳体。 此外,大致横向于车辆前方的方向延伸的前横向连杆在位于车轮中心下方的第二铰接连接处连接到车轴壳体。 此外,位于前横向连杆后方并沿车辆横向方向延伸的后侧连杆在位于车轮中心下方的第三铰接连接处连接到车轴壳体。 悬架结构还包括上臂,其具有在车轮中心上方的位置处与轴壳体的铰接连接。 螺旋弹簧设置在车体的下侧和后侧向连杆的上表面之间,同时具有设置在其上侧的同轴安装的凸块橡胶的减震器在其上端连接到车体 并且在其下端处于在轴壳体的上侧的第四铰接连接。