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    • 1. 发明专利
    • Four wheel steering unit for car
    • 四轮转向装置
    • JPS6118568A
    • 1986-01-27
    • JP13847884
    • 1984-07-04
    • Mazda Motor CorpNippon Seiko Kk
    • FURUYA SHIGEKIKANAZAWA HIROTAKATAKATANI TERUHIKOCHIKUMA ISAMUSHIMADA SATORUEDA HIROSHI
    • B62D6/06B62D6/00B62D7/14B62D7/15B62D101/00B62D113/00B62D131/00
    • B62D7/159
    • PURPOSE:To maintain the travel stability of car by correcting the steering ratio in same phase direction with correspondence to the increase of the weight of load. CONSTITUTION:The controller 26 is provided with a car speed signal, a front wheel steering angle signal and a weight of load signal. On the basis of these signals, the controller 26 will produce a signal for driving a pulse motor 14 and a motor 22 for driving a pump. The pulse motor 14 will rotate by the angle corresponding with he target rear wheel steering angle thus to steer the rear wheel. Under low speed, the rear wheel is steered in reverse phase while under intermediate and high speed, the rear wheel is steered in same phase. The rear wheel steering angle is calculated such that the steering ratio will approach to the same phase direction as the weight of load will increase.
    • 目的:通过与负载重量的增加对应,在相位相位方向修正转向比,保持汽车的行驶稳定性。 构成:控制器26设置有轿厢速度信号,前轮转向角信号和负载信号的重量。 基于这些信号,控制器26将产生用于驱动脉冲电动机14和用于驱动泵的电动机22的信号。 脉冲电动机14将旋转与目标后轮转向角对应的角度,从而转向后轮。 在低速下,后轮在中高速下以反相方向转向,后轮转向同相。 计算后轮转向角,使得转向比将接近与负载重量相同的相位方向。
    • 2. 发明专利
    • 4-wheels steering apparatus for car
    • 四轮转向装置
    • JPS60193771A
    • 1985-10-02
    • JP4805484
    • 1984-03-15
    • Mazda Motor CorpNippon Seiko Kk
    • KANAZAWA HIROTAKATAKATANI TERUHIKOFURUYA SHIGEKICHIKUMA ISAMUSHIMADA SATORUEDA HIROSHI
    • B62D7/14B62D7/15
    • B62D7/1536
    • PURPOSE:To secure the rigidity of the steering-ratio varying part by permitting the steering ratio to be varied by varying the turning tilt angle of a swing arm which is turned according to the handle steering angle. CONSTITUTION:The transfer member 26 of a steering-ratio varying apparatus is held in the direction of car width in slidable ways for a chassis F, and the basic edge part of a swing arm 29 is pivotally supported onto a holder 30 in swingable ways by a pin 31. The turning shaft 30a of the holder 30 is held onto the chassis F in turnable ways, having the line l2 crossing at right angles to the transfer axis line l1 of the transfer member 26 as center. The pin 31 is positioned at the crossing point part between the both lines l1 and l2 and extends in the direction crossing at right angles to the crossing line l2. The basic edge part of the swing arm 29 is fitted in turnable ways through an angular bearing with respect to the pin 31. The swing arm 29 can be swung around the pin 31, and the tilt angle formed by the pin 31 and the axis line l1 can be varied by turning the holder 30.
    • 目的:通过改变通过根据手柄转向角转动的摆臂的转动倾斜角来改变转向比来确保转向比变化部分的刚性。 构成:转向比改变装置的转移构件26以滑动方式保持在车厢宽度方向上,并且摆臂29的基本边缘部分以可摆动的方式枢转地支撑在支架30上 一个销31.保持架30的转动轴30a以可转动的方式被保持在底盘F上,其中线路12与作为中心的转印件26的转印轴线11成直角相交。 销31位于两条线11和12之间的交叉点部分处,并且在与交叉线12成直角交叉的方向上延伸。 摆臂29的基本边缘部分相对于销31以可转动的方式穿过角轴承。摆臂29可围绕销31摆动,并且由销31和轴线形成的倾斜角 可以通过转动支架30来改变。
    • 3. 发明专利
    • 4-wheels steering apparatus for car
    • 四轮转向装置
    • JPS60193770A
    • 1985-10-02
    • JP4805384
    • 1984-03-15
    • Mazda Motor CorpNippon Seiko Kk
    • KANAZAWA HIROTAKATAKATANI TERUHIKOFURUYA SHIGEKICHIKUMA ISAMUSHIMADA SATORUEDA HIROSHI
    • B62D7/14B62D6/00B62D7/15B62D101/00B62D113/00
    • B62D7/1536
    • PURPOSE:To obtain the desired steering ratio correctly by controlling the rear- wheel steering angle in correspondence with the turning angle and the tilt angle of a turning member which is turned according to the handle steering angle, by varying the tilt angle which the turning trajectory plane of the turning member froms with respect to a prescribed standard plane. CONSTITUTION:The turning member 29 of a steering-ratio varying apparatus E is constituted of an intermediate member 32 connected in turnable ways onto a holder 30 by a pin 31, and the second member 33 fitted in slidable ways at the top edge part of the intermediate member 32. The holder 30 is rotatably retained onto a chassis F, around the line l2 which crosses at right angles with the transfer axis line l1 of a transfer member 26. A turning providing arm 48 is turned through gears 50 and 49 according to the handle operation angle, and the turning member 29 is turned around the pin 31 by the turning of the turning providing arm 48. The transfer member 26 is transferred by the turning of the turning member 29, and a control valve 16 is controlled. Further, the amount of transfer of the turning member 26 can be varied by varying the tilt angle of the pin 31 by turning the holder 30 by a motor 53, and thus the steering-ratio can be varied.
    • 目的:通过根据手柄转向角转动的转动件的转角和倾斜角来控制后轮转向角,通过改变转向轨迹的倾斜角来正确获得所需的转向比 转动构件的平面相对于规定的标准平面。 构成:转向比变化装置E的转动构件29由中间构件32构成,该中间构件32通过销31以可转动的方式连接到保持器30上,并且第二构件33以可滑动的方式装配在顶部边缘部分 中间构件32.保持器30围绕线12可旋转地保持在底盘F上,线12与转印构件26的转印轴线11成直角交叉。根据转印构件26的转动提供臂48转动通过齿轮50和49 手柄操作角度和转动构件29通过转动提供臂48的转动而绕销31转动。传递构件26通过转动构件29的转动而被转移,并且控制阀16被控制。 此外,转动构件26的转移量可以通过通过由电动机53转动保持件30来改变销31的倾斜角来改变,因此转向比可以变化。
    • 4. 发明专利
    • Four-wheel steering gear for vehicles
    • 用于车辆的四轮转向齿轮
    • JPS60189677A
    • 1985-09-27
    • JP4473884
    • 1984-03-08
    • Mazda Motor CorpNippon Seiko Kk
    • KANAZAWA HIROTAKATAKATANI TERUHIKOFURUYA SHIGEKICHIKUMA ISAMUSHIMADA SATORUEDA HIROSHI
    • B62D5/26B62D6/00B62D6/02B62D7/14B62D7/15B62D101/00B62D113/00
    • B62D7/1572
    • PURPOSE:To make a steering ratio between a front-wheel steering angle and a rear-wheel steering angle variable with a simple structure, by interconnecting a front cylinder, whose volume is varied in interlock with a front steering system, to a rear cylinder steering rear wheels in an oiltight manner. CONSTITUTION:A control unit 24 actuates and controls a second actuator 27 when a car speed signal SS exists in a dead slow range or a low speed range, making a selector valve 17 select from a forward position to a reverse position. When the car speed signal SS exists in a high speed range, the control unit actuates and controls a first solenoid actuator 23 according to a steering angle signal SA, making a piston 20 operate, whereby volume lying between cylinders 7 and 14 is altered, thus a steering ratio is made into variable speed.
    • 目的:通过简单的结构使前轮转向角和后轮转向角变量之间的转向比,通过将体积与前转向系统互锁变化的前汽缸连接到后气缸转向 后轮以无油的方式。 构成:当轿厢速度信号SS存在于死点或低速范围内时,控制单元24致动并控制第二致动器27,使得选择阀17从前进位置到倒档位置。 当轿厢速度信号SS存在于高速范围时,控制单元根据转向角信号SA起动并控制第一螺线管致动器23,使活塞20动作,由此改变缸7和14之间的体积,因此 转向比变为可变速度。
    • 5. 发明专利
    • Four-wheel steering gear for vehicles
    • 用于车辆的四轮转向齿轮
    • JPS60189676A
    • 1985-09-27
    • JP4473784
    • 1984-03-08
    • Mazda Motor CorpNippon Seiko Kk
    • KANAZAWA HIROTAKATAKATANI TERUHIKOFURUYA SHIGEKICHIKUMA ISAMUSHIMADA SATORUEDA HIROSHI
    • B62D5/26B62D7/14B62D7/15
    • B62D7/1563
    • PURPOSE:To make such a steering ratio that corresponds to a car's running state securable, by making the steering ratio between front wheels and rear wheels alterable according to the steering speed of a front-wheel steering system. CONSTITUTION:When a front wheel 2R is steered to the left, a rack 4b of a front wheel steering system 1 moves to the right, and following this movement, a piston 7b also moves to the right whereby hydraulic pressure in a right chamber 7d of a cylinder goes up. This hydraulic pressure rise is transmitted to a right chamber 14d of a rear cylinder 14 via each of passages 16 and 46. With this pressure, a piston 14b moves toward the right against action of a return spring 14e and thereby capacity in a right chamber 14c becomes increased. With this increment, a connecting member 12 also moves to the left so that a right rear wheel 9R is steered at the specified steering ratio via a lateral link 10R.
    • 目的:通过使前轮和后轮之间的转向比根据前轮转向系统的转向速度而变化,使得与汽车行驶状态相对应的转向比可以变化。 构成:当前轮2R向左转动时,前轮转向系统1的齿条4b向右移动,并且在该运动之后,活塞7b也向右移动,由此右侧腔室7d中的液压 气瓶上升。 这个液压升高经由通道16和46中的每一个传递到后缸14的右室14d。在该压力下,活塞14b向右移动,抵抗复位弹簧14e的作用,从而在右室14c中的容积 增加。 通过该增量,连接构件12也向左移动,使得右后轮9R经由横向连杆10R以指定的转向比转向。
    • 6. 发明专利
    • Four-wheel steering device for vehicle
    • 用于车辆的四轮转向装置
    • JPS61105274A
    • 1986-05-23
    • JP22609884
    • 1984-10-27
    • Mazda Motor CorpNippon Seiko Kk
    • KANAZAWA HIROTAKATAKATANI TERUHIKOFURUYA SHIGEKICHIKUMA ISAMUSHIMADA SATORUEDA HIROSHI
    • B62D5/22B62D7/14B62D7/15
    • B62D7/1527
    • PURPOSE: To realize quick engaging adjustment by devising energizing directions of two elastic pressure means, which are provided corresponding to each pair of rack-and-pinion for the front wheel side and the rear wheel side of a vehicle, and by making the engaging adjustment possible without each other's affection.
      CONSTITUTION: In a steering mechanism 1 for front wheels, a rack-bar 6 is provided which is freely movable to the car width direction through No.1 rack- and-pinion mechanism 5 due to the steering force applied to the steering wheel. Also the mechanism 1 has a power cylinder mechanism 9 parallel to a case 8 which contains the rack-bar 6, and its assisting force is transmitted to the rack-bar 6 through a connecting member 13. Accompanied by the movement of the rack-bar 6, a rear wheel steering mechanism is operated through No.2 rack-and-pinion mechanism 15. At this time, each pinion 24 and 29 of each mechanism 5 and 15 is arranged with an appointed cross angle, and the rack-bar 6 energizes to the pinion 24 side through an elastic pressure means 33, and the pinion 29 energizes to he rack-bar 6 side through an elastic pressure means 34.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过设计相应于车辆的前轮侧和后轮侧的每对齿条齿轮的两个弹性压力装置的通电方向,实现快速接合调节,并且通过使啮合调节 可能没有对方的感情。 构成:在用于前轮的转向机构1中,由于施加到方向盘的转向力,设置有通过No.1齿条 - 小齿轮机构5自由移动到轿厢宽度方向的齿杆6。 另外,机构1具有与包含齿杆6的壳体8平行的动力缸机构9,并且其辅助力通过连接构件13传递到齿杆6。伴随着齿条的移动 如图6所示,后轮转向机构通过No.2齿条齿轮机构15进行操作。此时,各机构5,15的各小齿轮24,29配置有规定的交叉角,齿条6 通过弹性压力装置33向小齿轮24侧通电,小齿轮29通过弹性压力装置34向机架杆6侧通电。
    • 7. 发明专利
    • 4-wheel steering apparatus for car
    • 四轮转向装置
    • JPS60197471A
    • 1985-10-05
    • JP5464684
    • 1984-03-22
    • Mazda Motor CorpNippon Seiko Kk
    • KANAZAWA HIROTAKATAKATANI TERUHIKOFURUYA SHIGEKICHIKUMA ISAMUSHIMADA SATORUEDA HIROSHI
    • B62D7/14B62D6/02B62D7/15
    • B62D7/1545
    • PURPOSE:To steer rear wheels and vary the steering ratio with high reliability by the simple constitution by controlling the operation of one gear in the differential apparatus of a steering-ratio varying mechanism by a bendable joint mechanism. CONSTITUTION:A differential gear apparatus 22 is equipped with an input bevel gear 24 connected with a shaft 20, and a differential casing gear 26 operationally connected with the input shaft 20 through a flex shaft coupling type bendable joint type control mechanism 25. Said joint type control mechanism 25 is arranged in parallel to the input shaft 20, and equipped with an input shaft 31 connected with the shaft 20 through a gear 30 and an output shaft 33 which is arranged coaxially with the input shaft 31 and connected through a gear 32 onto the differential casing gear 26.
    • 目的:通过简单的结构,通过可弯曲的接合机构控制转向比变化机构的差速装置中的一个齿轮的操作来转向后轮并以高的可靠性改变转向比。 构成:差速齿轮装置22配备有与轴20连接的输入锥齿轮24和通过挠性轴联接型可弯曲接头型控制机构25与输入轴20可操作地连接的差速器壳齿轮26。 控制机构25与输入轴20平行设置,并且配备有通过齿轮30与轴20连接的输入轴31和与输入轴31同轴设置并通过齿轮32连接的输出轴33 差速器外壳齿轮26。
    • 8. 发明专利
    • Four-wheel steering device for car
    • 四轮转向装置
    • JPS61108070A
    • 1986-05-26
    • JP22913084
    • 1984-10-31
    • Mazda Motor CorpNippon Seiko Kk
    • KANAZAWA HIROTAKATAKATANI TERUHIKOFURUYA SHIGEKICHIKUMA ISAMUSHIMADA SATORUEDA HIROSHI
    • B62D7/14
    • B62D7/148
    • PURPOSE:To improve the running stabily by proventing the extreme variation of an oscillating member that controls the steering force even if a malfunction is generated in a controller that controls the steering ratio. CONSTITUTION:An oscillating shaft 23 is stretched on a horizontal level and supported by an oscillating support shaft 24 that is stretched vertically. An oscillating gear 25 within a gear 25a on the tip is fixed to this support shaft 24 and the oscillating shaft 23 is oscillated by the oscillation of this oscillating gear 25. The gear 25a of the oscillating gear engages with a worm 26 and this worm 26 is rotated by a stepping motor 29 through gears 28 and 26. The rotation of the stepping motor is controlled based on a control signal coming from an electric controller 32 which receives the signals coming from an electric controller 32 which receives the signals coming from an angle of oscillation angle 30 that senses the angle of oscillation of the oscillating shaft 23 provided on the oscillating support shaft 24 and a car speed sensor 31 that detects the car speed.
    • 目的:通过防止控制转向力的摆动部件的极端变化,即使在控制转向比的控制器中产生故障,也能够稳定地运行。 构成:摆动轴23在水平方向上被拉伸,并被垂直拉伸的摆动支撑轴24支撑。 尖端的齿轮25a内的摆动齿轮25固定在该支撑轴24上,摆动轴23通过该摆动齿轮25的振动而摆动。摆动齿轮的齿轮25a与蜗杆26啮合,该蜗杆26 由步进马达29通过齿轮28和26旋转。步进马达的旋转基于来自电控制器32的控制信号来控制,该控制信号接收来自电控制器32的信号,该电控制器接收来自角度 的振动角度30,其检测设置在摆动支撑轴24上的摆动轴23的振动角度和检测轿厢速度的轿厢速度传感器31。
    • 9. 发明专利
    • 4-wheel steering apparatus for car
    • 四轮转向装置
    • JPS60197470A
    • 1985-10-05
    • JP5464584
    • 1984-03-22
    • Mazda Motor CorpNippon Seiko Kk
    • FURUYA SHIGEKIKANAZAWA HIROTAKATAKATANI TERUHIKOCHIKUMA ISAMUSHIMADA SATORUEDA HIROSHI
    • B62D5/26B62D6/02B62D7/14B62D7/15
    • B62D7/1536
    • PURPOSE:To improve the traveling stability in high speed traveling and the steering performance in low or intermediate speed traveling by installing a hydraulic type power assisting mechanism into a rear-wheel steering system and controlling the assisting amount of said assisting mechanism according to the car speed. CONSTITUTION:A rear-wheel steering system 7 is equipped with a rear-wheel power assisting mechanism 20, which is equipped with a power cylinder apparatus 21. The power cylinder apparatus 21 is fixed onto a chassis and equipped with a cylinder case 22 extending in the direction of car width, piston 23 which is installed integrally with a connection member 10 and fitted in slidable ways into the cylinder case 22, and right and left chambers 22R and 22L divided by the piston 23. An oil feeding line 32 is equipped with a flow-rate control valve 50 for varying the steering ratio between rear and front wheels. Said valve 50 is controlled by receiving a car-speed signal from a car-speed sensor and by a controller 51 according to the magnitude of the car speed.
    • 目的:通过将液压式动力辅助机构安装在后轮转向系统中,提高高速行驶中的行驶稳定性和低速或中速行驶中的转向性能,并根据车速控制辅助机构的辅助量 。 构成:后轮转向系统7配备有配备有动力缸装置21的后轮动力辅助机构20.动力缸装置21固定在底盘上并配备有气缸壳体22, 轿厢宽度的方向,与连接构件10一体地安装并且以滑动方式安装到气缸壳体22中的活塞23以及由活塞23分开的左右室22R和22L。供油管线32配备有 用于改变后轮和前轮之间的转向比的流量控制阀50。 通过根据轿厢速度的大小从车速传感器和控制器51接收车速信号来控制所述阀50。
    • 10. 发明专利
    • Four-wheel steering gear for vehicles
    • 用于车辆的四轮转向齿轮
    • JPS60189675A
    • 1985-09-27
    • JP4473684
    • 1984-03-08
    • Mazda Motor CorpNippon Seiko Kk
    • KANAZAWA HIROTAKATAKATANI TERUHIKOFURUYA SHIGEKICHIKUMA ISAMUSHIMADA SATORUEDA HIROSHI
    • B62D5/26B62D7/14B62D7/15
    • B62D7/1563
    • PURPOSE:To secure a steering ratio corresponding to a running state of a vehicle on which a four-wheel steering gear is mounted as well as to make drivability ever so better, by making the steering ratio between a front-wheel steering angle and a rear-wheel steering angle. CONSTITUTION:A left chamber 7c of a front cylinder 7 is interconnected to a left chamber 14c of a front side rear cylinder 14 via passages 15 and 16 and also interconnected to a left chamber 15c of a rear side rear cylinder 15 via passages 15 and 17 in an oiltight manner. A right chamber 7d of the front cylinder 7 is interconnected to a right chamber 14d of the front side rear cylinder 14 and also interconnected to a right chamber 15d of the rear side rear cylinder 15 via passages 18 and 20 in an oiltight manner. In order to select the said passage 15 in position between these passages 16 and 17 a flow dividing valve 21 is installed while another flow dividing valve 22 is installed to select the said passage 18 in position between passages 19 and 20, respectively.
    • 目的:为了确保与安装有四轮舵机的车辆的行驶状态相对应的转向比,并且通过使前轮转向角和后方之间的转向比来使驾驶性能变得更好 - 转向角。 构成:前筒7的左室7c经由通路15,16与前侧后筒14的左室14c相互连接,并经由通路15,17与后侧后筒15的左室15c连接。 以密切的方式。 前筒7的右室7d与前侧后筒14的右室14d相互连接,并且经由通路18,20以油密的方式与后侧后筒15的右室15d连接。 为了在这些通道16和17之间的位置选择所述通道15,安装有分流阀21,同时安装另一个分流阀22,以将通道18分别选择在通道19和20之间。