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    Rear wheel steering mechanism with locking control for four-wheel-steerable vehicle
    1.
    发明授权
    Rear wheel steering mechanism with locking control for four-wheel-steerable vehicle 失效
    后轮转向机构，具有四轮转向车辆的锁定控制

    公开(公告)号：US5096014A

    公开(公告)日：1992-03-17

    申请号：US333870

    申请日：1989-04-04

    申请人： Masaru Abe ,  Toru Yasuda ,  Yoshimichi Kawamoto ,  Takashi Kohata

    发明人： Masaru Abe ,  Toru Yasuda ,  Yoshimichi Kawamoto ,  Takashi Kohata

    IPC分类号： B62D7/14 ,  B62D7/15

    CPC分类号： B62D7/1527 ,  B62D7/148

    摘要： A four-wheel-steering system includes a rear wheel steering mechanism for turning rear wheels in response to energization of an actuator. A locking device is responsive to de-energization of the actuator for locking gears and a rack shaft to prevent the rear wheels from being turned. The locking device includes a longer arm on which first and second gears are rotatably mounted, a shorter arm pivotally coupled to the longer arm, a stopper coupled to the shorter arm and engageable with the second gear, and a spring acting on the stopper for normally urging the stopper into engagement with the second gear, the actuator comprising an electric motor angularly movable with respect to the second gear.

    摘要翻译： 四轮转向系统包括用于响应于致动器的通电而转动后轮的后轮转向机构。 锁定装置响应用于锁定齿轮的致动器的断电和齿条轴，以防止后轮转动。 锁定装置包括长臂，第一和第二齿轮可旋转地安装在该臂上，可枢转地连接到较长臂的较短的臂，连接到较短臂并与第二齿轮接合的止动件，以及作用在止动件上的弹簧 促使止动器与第二齿轮接合，致动器包括相对于第二齿轮成角度地运动的电动马达。

    Steering angle detector
    3.
    发明授权
    Steering angle detector 失效
    转向角检测器

    公开(公告)号：US4853672A

    公开(公告)日：1989-08-01

    申请号：US88909

    申请日：1987-08-24

    申请人： Toru Yasuda ,  Yoshimichi Kawamoto ,  Masaru Abe ,  Takashi Kohata

    发明人： Toru Yasuda ,  Yoshimichi Kawamoto ,  Masaru Abe ,  Takashi Kohata

    IPC分类号： B62D5/04 ,  B62D7/15 ,  B62D15/02

    CPC分类号： B62D15/0225 ,  B62D15/023

    摘要： A steering angle detector comprises a differential transformer. The steering angle detector includes a rod member extending substantially transversely of the vehicle body and axially movable in response to steering action of the vehicle body, a metallic core mounted on the rod member, and primary and secondary coils disposed around the core in slightly spaced relation thereto.

    摘要翻译： 转向角检测器包括差动变压器。 所述转向角检测器包括：杆构件，其大致横向于所述车身延伸并且可以响应于所述车体的转向动作而轴向移动;安装在所述杆构件上的金属芯;以及以所述杆间隔开的方式设置在所述芯周围的主和次级线圈 到此。

    Front and rear wheel steering system for a vehicle
    5.
    发明授权
    Front and rear wheel steering system for a vehicle 失效
    前轮和后轮转向系统

    公开(公告)号：US5199523A

    公开(公告)日：1993-04-06

    申请号：US369085

    申请日：1989-06-20

    申请人： Masaru Abe ,  Yoshimichi Kawamoto ,  Norio Ukai ,  Takashi Kohata

    发明人： Masaru Abe ,  Yoshimichi Kawamoto ,  Norio Ukai ,  Takashi Kohata

    IPC分类号： B62D7/14 ,  B62D7/15

    CPC分类号： B62D7/1536

    摘要： A front and rear wheel steering system for a vehicle which transmits a steering input from a front wheel steering gear box to a rear wheel steering gear box via a coupling shaft as a rotation thereof around its longitudinal line and varies a steering gear ratio of rear wheels to front wheels according to the speed of the vehicle. A steering rod for steering the rear wheels with its longitudinal movement is provided with a crank portion which is engaged with a swing shaft pivotally attached to the coupling shaft via a pivot shaft perpendicular thereto so as to perform a gyrating motion around an extension line of the coupling shaft and thereby move the steering rod along its longitudinal direction to achieve a steering action of the rear wheels. The steering rod can be rotated around its longitudinal line according to the vehicle speed so as to displace the crank portion relative to the extension line of the coupling shaft and change the relationship between the rotational angle of the coupling shaft or the steering input to the front wheel steering gear box and the longitudinal movement of the steering rod or the steering angle of the rear wheels.

    摘要翻译： 一种用于车辆的前轮和后轮转向系统，其通过联接轴将其从前轮舵机传递到后轮舵机箱，转向输入沿其纵向线旋转，并且改变后轮的转向齿轮比 根据车辆的速度到前轮。 用于转向后轮的纵向运动的转向杆设置有曲柄部分，该曲柄部分通过与其垂直的枢转轴枢转地连接到联接轴上的摆动轴接合，以便围绕其延伸线执行旋转运动 从而使转向杆沿着其纵向方向移动，以实现后轮的转向动作。 转向杆可以根据车速绕其纵向线旋转，以使曲柄部分相对于联轴器的延长线移动，并改变联轴器或转向输入端的旋转角度与前方的关系 车轮转向齿轮箱和转向杆的纵向运动或后轮的转向角。

    Method of and apparatus for controlling camber of rear wheels of four-wheel-steerable vehicle
    6.
    发明授权
    Method of and apparatus for controlling camber of rear wheels of four-wheel-steerable vehicle 失效
    用于控制四轮转向车辆后轮的弯度的方法和装置

    公开(公告)号：US4895383A

    公开(公告)日：1990-01-23

    申请号：US184262

    申请日：1988-04-21

    申请人： Masaru Abe ,  Yoshimichi Kawamoto ,  Takashi Kohata

    发明人： Masaru Abe ,  Yoshimichi Kawamoto ,  Takashi Kohata

    IPC分类号： B60G3/18 ,  B62D7/14 ,  B62D7/15 ,  B62D17/00

    CPC分类号： B62D17/00 ,  B62D7/1545 ,  B60G2200/46

    摘要： A method of and an apparatus for controlling rear road wheel camber of a four-wheel-steerable vehicle having front and rear road wheels steerable in the same or opposite directions. The camber with respect to ground of at least the rear road wheel on the outer side of a cornering curve followed by the vehicle is controlled. The apparatus includes detectors for detecting the direction in which the rear road wheels are steered with respect to the front road wheels, the self-aligning torque on the front road wheels, and the steering force acting on a steering wheel, camber varying devices associated with rear wheel suspensions, actuators for operating the camber varying devices, and a control unit responsive to detected signals from the detectors for applying a control signal to at least one of the actuators to control the camber of at least the rear road wheel on the outer side of the cornering curve when the rear wheels are steered.

    摘要翻译： 一种用于控制四轮转向车辆的后轮车轮外倾的方法和装置，其具有可在相同或相反方向上转向的前轮和后轮。 控制车辆后方转弯曲线外侧至少后轮的地面的弯度。 该装置包括用于检测后轮相对于前车轮转向的方向的检测器，前车轮上的自对准转矩以及作用在方向盘上的转向力， 后轮悬架，用于操作外倾变速装置的致动器，以及响应于来自检测器的检测信号的控制单元，用于向至少一个致动器施加控制信号，以控制外侧的至少后轮的弯度 当后轮转向时的转弯曲线。

    Method of and apparatus for controlling steering operation of a motor vehicle with steerable front and rear wheels
    7.
    发明授权
    Method of and apparatus for controlling steering operation of a motor vehicle with steerable front and rear wheels 失效
    用于控制具有可转向的前轮和后轮的机动车辆的转向操作的方法和装置

    公开(公告)号：US4939653A

    公开(公告)日：1990-07-03

    申请号：US226070

    申请日：1988-07-29

    申请人： Osamu Tsurumiya ,  Masaru Abe ,  Yoshimichi Kawamoto ,  Takashi Kohata ,  Ikuo Nonaga ,  Masataka Izawa

    发明人： Osamu Tsurumiya ,  Masaru Abe ,  Yoshimichi Kawamoto ,  Takashi Kohata ,  Ikuo Nonaga ,  Masataka Izawa

    IPC分类号： B62D7/14 ,  B62D7/15

    CPC分类号： B62D7/148 ,  B62D7/1581 ,  B62D7/159

    摘要： The steering operation of a motor vehicle with steerable front and rear road wheels is controlled by steering the rear road wheels with an actuator such as an electric motor which produces a steering force dependent on a deviation of the actual rear wheel steering angle from a target rear wheel steering angle. The rear road wheels are thus controlled with a characteristic dependent on the coefficient of friction of a road on which the motor vehicle travels and the steering speed at which the motor vehicle is steered. Typically, a steering control method comprises the steps of detecting the steering angle of the front road wheels, determining a target steering angle for the rear wheels based on the steering angle of the front road wheels, detecting the actual steering angle of the rear road wheels, calculating a steering angle deviation of the actual rear wheel steering angle from the target steering angle, determining a rear wheel steering force based on the steering angle deviation, and steering the rear road wheels to the target steering angle with the determined rear wheel steering force.

    摘要翻译： 具有可转向的前轮和后轮的机动车辆的转向操作通过用诸如电动机的致动器转向后轮来控制，该电动机产生取决于实际后轮转向角与目标后方的偏差的转向力 车轮转向角。 因此，后轮车轮的控制特性取决于机动车辆行驶的道路的摩擦系数和机动车辆转向的转向速度。 通常，转向控制方法包括以下步骤：检测前轮的转向角，基于前轮的转向角确定后轮的目标转向角，检测后轮的实际转向角 计算出实际后轮转向角与目标转向角的转向角偏差，基于转向角偏差来确定后轮转向力，并且通过所确定的后轮转向力将后轮转向目标转向角 。

    Automobile suspension
    8.
    发明授权
    Automobile suspension 失效
    汽车悬挂

    公开(公告)号：US4836577A

    公开(公告)日：1989-06-06

    申请号：US137961

    申请日：1987-12-24

    申请人： Masaru Abe ,  Takashi Kohata ,  Yoshimichi Kawamoto

    发明人： Masaru Abe ,  Takashi Kohata ,  Yoshimichi Kawamoto

    IPC分类号： B60G9/00 ,  B60G7/00 ,  B60G21/00 ,  B62D7/18 ,  B62D17/00

    CPC分类号： B60G21/007 ,  B60G7/006 ,  B60G7/008 ,  B62D17/00 ,  B60G2200/10 ,  B60G2200/31 ,  B60G2200/46 ,  B60G2200/462 ,  B60G2200/464 ,  B60G2202/40 ,  B60G2202/413 ,  B60G2202/422 ,  B60G2204/14 ,  B60G2204/149 ,  B60G2204/416 ,  B60G2204/62 ,  B60G2206/50

    摘要： An automobile suspension includes a suspension member coupled to a vehicle body, a disc-shaped actuator mechanism detachably supported on the suspension member, and a knuckle having a swingable support shaft swingably supported for swinging movement about a central pivot through which the axis of the disc-shaped actuator mechanism passes, the knuckle being adapted to support a wheel rotatably. The disc-shaped actuator mechanism includes a pair of actuators disposed thereon at respective positions spaced substantially equally from the central pivot and located on at least one straight line passing through the central pivot, the actuators pivotally supporting the knuckle, respectively, for causing the knuckle to be angularly moved about the central pivot.

    摘要翻译： 汽车悬架包括联接到车体的悬挂构件，可拆卸地支撑在悬挂构件上的盘形致动器机构，以及具有可摆动地支撑的可摆动支撑轴的转向节，所述转向节可摆动地支撑，以围绕中心枢轴摆动，通过该中心枢轴， 形状的致动器机构通过，转向节适于支撑轮可旋转。 盘形致动器机构包括一对致动器，其位于与中心枢轴基本上相等的位置上且位于穿过中心枢轴的至少一条直线上的相应位置上，致动器分别枢转地支撑转向节，以使转向节 围绕中心枢轴角度地移动。

    Rear wheel steering device for vehicle with four steerable wheels
    10.
    发明授权
    Rear wheel steering device for vehicle with four steerable wheels 失效
    具有四个可转向轮的车辆后轮转向装置

    公开(公告)号：US5083626A

    公开(公告)日：1992-01-28

    申请号：US109232

    申请日：1987-10-16

    申请人： Masaru Abe ,  Takashi Kohata ,  Yoshimichi Kawamoto

    发明人： Masaru Abe ,  Takashi Kohata ,  Yoshimichi Kawamoto

    IPC分类号： B62D5/04 ,  B62D7/15

    CPC分类号： B62D7/1581 ,  B60G7/006 ,  B62D5/0427 ,  B62D5/0448 ,  F16C19/54 ,  F16C35/061

    摘要： A rear wheel steering device in a four-wheel-steerable vehicle includes a rod member having opposite ends coupled to tie rods for turning rear wheels, an electric motor, and a screw mechanism for converting rotation of the electric motor to axial motion of the rod member. The stator and rotor of the electric motor are disposed coaxially with the rod member, the motor and the screw mechanism being juxtaposed with respect to each other in the axial direction of the rod member. The screw mechanism comprises a threaded portion on the rod member and a nut engaging the threaded portion, the nut being axially pre-loaded.

    摘要翻译： 四轮转向车辆中的后轮转向装置包括：杆部件，其相对端连接到用于转动后轮的拉杆;电动机;以及用于将电动机的旋转转换成杆的轴向运动的螺杆机构 会员。 电动机的定子和转子与杆构件同轴设置，电动机和螺杆机构在杆构件的轴向上相对于彼此并置。 螺杆机构包括杆构件上的螺纹部分和与螺纹部分接合的螺母，螺母被轴向预加载。