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公开(公告)号：US5060969A
公开(公告)日：1991-10-29
申请号：US467410
申请日：1990-01-19
IPC分类号： B60G17/015
CPC分类号： B60G17/015 , B60G2400/102 , B60G2400/204 , B60G2400/252 , B60G2400/30 , B60G2400/41 , B60G2400/44 , B60G2600/02 , B60G2600/044 , B60G2600/08 , B60G2600/68 , B60G2800/012 , B60G2800/0194 , Y10S280/01
摘要： A suspension apparatus of a vehicle has a cylinder unit interposed between a sprang weight and an unsprung weight, which changes a ride height of the vehicle body by supplying or discharging an operating liquid through a supply/discharge control valve. The supply/discharge control value is controlled on the basis of a predetermined condition so as to control a posture of the vehicle body. There are further provided a bump detecting sensor for detecting a bump of each of the wheels, which occurs further from a state in which the wheel is bumped, and a pressure detecting sensor for detecting a pressure in the cylinder unit. When it is sensed by the bump detecting sensor that the bump occurs further from the bumping state, if the pressure detected by the pressure detecting sensor is continued in a lowering state for a given period of time, it is judged that the supply/discharge control valve is in trouble.
摘要翻译： 车辆的悬挂装置具有插入在重力和簧下重量之间的气缸单元，其通过通过供给/排出控制阀提供或排出操作液体来改变车体的行驶高度。 基于预定条件来控制供给/排出控制值，以便控制车体的姿势。 还设置有用于检测从车轮碰撞的状态进一步发生的每个车轮的凸块的凸块检测传感器，以及用于检测气缸单元中的压力的压力检测传感器。 当由凸块检测传感器检测到凸起从碰撞状态进一步发生时，如果压力检测传感器检测到的压力在下降状态持续给定的时间段，则判断供给/排出控制 阀门有麻烦。
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公开(公告)号：US5060968A
公开(公告)日：1991-10-29
申请号：US466665
申请日：1990-01-17
IPC分类号： B60G17/015 , B60G17/056
CPC分类号： B60G17/056 , B60G17/015 , B60G2202/154 , B60G2400/102 , B60G2400/104 , B60G2400/204 , B60G2400/252 , B60G2400/30 , B60G2400/41 , B60G2400/5122 , B60G2500/10 , B60G2500/20 , B60G2600/08 , B60G2600/16 , B60G2600/1878 , B60G2600/68
摘要： A suspension apparatus of a vehicle has a cylinder unit interposed between a sprang weight and an unsprung weight, which changes a ride height of the vehicle body by supplying or discharging an operating liquid through a supply/discharge control valve. The supply/discharge control value is controlled on the basis of a predetermined condition so as to control a posture of the vehicle body. There are further provided a bump detecting means for detecting a bump of each of the wheels and a pressure detecting means for detecting a pressure in the cylinder unit. When the bump is detected by the bump detecting sensor to be below a given value, if the pressure detected by the pressure detecting means is continued at a magnitude above a given value for a given period of time, it is judged that the supply/discharge control valve is in trouble.
摘要翻译： 车辆的悬挂装置具有插入在重力和簧下重量之间的气缸单元，其通过通过供给/排出控制阀提供或排出操作液体来改变车体的行驶高度。 基于预定条件来控制供给/排出控制值，以便控制车体的姿势。 还设置有用于检测每个车轮的凸块的凸块检测装置和用于检测气缸单元中的压力的压力检测装置。 当凸块检测传感器检测到凸点低于给定值时，如果压力检测装置检测到的压力在给定时间段内继续达到高于给定值的幅度，则判断供给/排出 控制阀处于故障状态。
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公开(公告)号：US5096168A
公开(公告)日：1992-03-17
申请号：US677598
申请日：1991-03-27
申请人： Shin Takehara , Takeshi Edahiro , Toshiki Morita
发明人： Shin Takehara , Takeshi Edahiro , Toshiki Morita
CPC分类号： F16F9/185 , B60G15/065 , B60G17/0272 , F16F1/387 , F16F9/486 , B60G2202/312 , B60G2204/128 , B60G2204/45021
摘要： Among two damping devices arranged in series between wheel side members and body side members, while in one damping device spring constant of a spring member is set low and damping coefficient of a damper member is set high, in the other damping device spring constant of a spring member is set high and damping coefficient of a damper member is set low. By this arrangement, difference in damping force between the area of low oscillation frequency and the area of high oscillation frequency can be made large, whereby running stability and comfortableness to ride in can be improved on a high level.
摘要翻译： 在车轮侧部件和主体侧部件之间串联布置的两个阻尼装置中，在一个阻尼装置中弹簧部件的弹簧常数设定得较低，并且阻尼器部件的阻尼系数设定得较高，另一个阻尼装置的弹簧常数为 弹簧构件设定为高，阻尼构件的阻尼系数设定得较低。 通过这种布置，可以使低振荡频率区域与高振荡频率区域之间的阻尼力差异大，从而可以高水平地提高行驶稳定性和乘坐舒适性。
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公开(公告)号：US5062659A
公开(公告)日：1991-11-05
申请号：US466666
申请日：1990-01-17
IPC分类号： B60G17/015 , B60G17/056
CPC分类号： B60G17/056 , B60G17/015 , B60G2202/154 , B60G2400/102 , B60G2400/104 , B60G2400/204 , B60G2400/252 , B60G2400/30 , B60G2400/41 , B60G2400/5122 , B60G2500/10 , B60G2500/20 , B60G2600/08 , B60G2600/16 , B60G2600/1878 , B60G2600/68
摘要： A suspension apparatus of a vehicle has a cylinder unit interposed between a sprang weight and an unsprung weight, which changes a ride height of the vehicle body by supplying or discharging an operating liquid through a supply/discharge control valve. The supply/discharge control valve is controlled on the basis of a predetermined condition so as to control a posture of the vehicle body. There are further provided a rebound detecting means for detecting a rebound of each of the wheels and a pressure detecting means for detecting a pressure in the cylinder unit. When the rebound is detected by the rebound detecting sensor to be above a given value, if the pressure detected by the pressure detecting means is continued at a magnitude above a given value for a given period of time, it is judged that the supply/discharge control valve is in trouble.
摘要翻译： 车辆的悬挂装置具有插入在重力和簧下重量之间的气缸单元，其通过通过供给/排出控制阀提供或排出操作液体来改变车体的行驶高度。 供给/排出控制阀基于预定条件进行控制，以便控制车体的姿势。 还提供了一种用于检测每个车轮的回弹的回弹检测装置和用于检测气缸单元中的压力的压力检测装置。 当回弹检测传感器检测到回弹高于给定值时，如果压力检测装置检测到的压力在给定时间段内持续达到高于给定值的幅度，则判断出供给/排出 控制阀处于故障状态。
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公开(公告)号：US5016911A
公开(公告)日：1991-05-21
申请号：US385144
申请日：1989-07-26
IPC分类号： B60G15/12 , B60G17/015
CPC分类号： B60G15/12 , B60G17/0152 , B60G2202/15 , B60G2202/312 , B60G2204/129 , B60G2204/4304 , B60G2204/80 , B60G2206/40 , B60G2400/102 , B60G2400/252 , B60G2400/50 , B60G2400/51 , B60G2400/91 , B60G2500/10 , B60G2500/30
摘要： A hydropneumatic suspension system for a vehicle has a hydraulic cylinder-piston device connected between the vehicle body and each of the wheels, and a plurality of gas springs which exert a spring force according to the hydraulic pressure in the hydraulic chamber of the cylinder-piston device. Each gas spring has a fluid chamber and a gas chamber which are defined in a casing and are separated from each other by a movable partition wall, and the fluid chamber is communicated with the hydraulic chamber of the hydraulic cylinder-piston device. The upper end portion of the piston rod is supported by the vehicle body by way of a mount. The piston rod is provided with a fluid passage which axially extends through the piston rod and the lower end of which opens to the hydraulic chamber of the cylinder-piston device. A support member is fixed to the piston rod at an upper portion below the mount. The upper end portions of the casings of the gas springs are mounted on the support member and the fluid chamber of each gas spring is communicated with the fluid passage in the piston rod by way of a fluid passage formed in the support member.
摘要翻译： 一种用于车辆的液压气动悬架系统具有连接在车身和每个车轮之间的液压缸 - 活塞装置，以及多个气弹簧，其根据液压缸内的液压缸施加弹簧力 设备。 每个气弹簧具有流体室和气室，其限定在壳体中并且通过可动分隔壁彼此分离，并且流体室与液压缸 - 活塞装置的液压室连通。 活塞杆的上端部由车身通过支架支撑。 活塞杆设置有一个流体通道，该通道轴向延伸穿过活塞杆，其下端通向气缸 - 活塞装置的液压室。 支撑构件在安装件下方的上部固定到活塞杆。 气弹簧的壳体的上端部安装在支撑构件上，每个气弹簧的流体室通过形成在支撑构件中的流体通道与活塞杆中的流体通道连通。
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公开(公告)号：US4973855A
公开(公告)日：1990-11-27
申请号：US451967
申请日：1989-12-19
IPC分类号： B60G17/015 , B60G17/0185 , B60G23/00
CPC分类号： B60G17/0185 , B60G2202/15 , B60G2202/154 , B60G2204/80 , B60G2400/102 , B60G2400/104 , B60G2400/204 , B60G2400/25 , B60G2400/252 , B60G2400/41 , B60G2400/50 , B60G2400/51 , B60G2500/10 , B60G2500/20 , B60G2500/30 , B60G2600/02 , B60G2600/044 , B60G2600/08
摘要： A vehicle suspension system has fluid cylinders connected between the vehicle body and the respective wheels. A fluid control system controls feed and discharge of hydraulic fluid to and from the fluid cylinders and changes the suspension properties of the suspension system. A failure in the fluid control system is detected and when the control system fails, one of first to third measure modes is taken on the basis of the kind of the failure. Warning is just given and the control of feed and discharge of hydraulic fluid to and from the fluid cylinders being continued when the first measure mode is taken, the control of feed and discharge of hydraulic fluid to and from the fluid cylinders is interrupted with the chassis height fixed to the present height when the second measure mode is taken, and the fluid in the fluid cylinders is discharged and the chassis height is lowered when the third measure mode is taken.
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公开(公告)号：US4978135A
公开(公告)日：1990-12-18
申请号：US403561
申请日：1989-09-06
IPC分类号： B60G17/017
CPC分类号： B60G17/017 , B60G2202/154 , B60G2202/413 , B60G2400/102 , B60G2400/252 , B60G2400/30 , B60G2400/50 , B60G2400/51 , B60G2500/10 , B60G2500/22 , B60G2500/30 , B60G2600/02 , B60G2600/08 , B60G2600/14 , B60G2600/16 , B60G2600/68 , B60G2800/012 , B60G2800/014
摘要： A vehicle suspension system includes a liquid piston-cylinder device connected between the vehicle body and a wheel. A liquid pump is provided in a liquid passage which connects the liquid piston-cylinder device to a reservoir in which hydraulic liquid is reserved, and feeds under pressure the hydraulic liquid in the reservoir through the liquid passage. A control valve controls the flow of the hydraulic liquid through the liquid passage, thereby controlling feed and discharge of the hydraulic liquid to and from the liquid piston-cylinder device in order to control the properties of the suspension. An accumulator is connected to the liquid passage between the liquid pump and the control valve and accumulates the hydraulic liquid under pressure. A return passage connects the reservoir to the liquid passage between the liquid pump and the control valve and is provided with an on-off valve which opens and closes the return passage. The on-off valve closes the return passage when the ignition switch is turned off.
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公开(公告)号：US5060970A
公开(公告)日：1991-10-29
申请号：US467408
申请日：1990-01-19
IPC分类号： B60G17/015 , B60G23/00
CPC分类号： B60G17/015 , B60G2202/152 , B60G2400/102 , B60G2400/204 , B60G2400/252 , B60G2400/30 , B60G2400/41 , B60G2400/44 , B60G2600/02 , B60G2600/044 , B60G2600/08 , B60G2600/26 , B60G2800/012 , B60G2800/0194
摘要： A suspension apparatus of a vehicle has a cylinder unit interposed between a sprang weight and an unsprung weight, which changes a ride height of the vehicle body by supplying or discharging an operating liquid through a supply/discharge control valve. The supply/discharge control value is controlled on the basis of a predetermined condition so as to control a posture of the vehicle body. There are further provided a rebound detecting sensor for detecting a rebound of each of the wheels, which occurs further from a state in which the wheel is rebounded, and a pressure detecting sensor for detecting a pressure in the cylinder unit. When it is sensed by the rebound detecting sensor that the rebound occurs further from the rebounding state, if the pressure detected by the pressure detecting sensor is continued in an elevating state for a given period of time, it is judged that the supply/discharge control valve is in trouble.
摘要翻译： 车辆的悬挂装置具有插入在重力和簧下重量之间的气缸单元，其通过通过供给/排出控制阀提供或排出操作液体来改变车体的行驶高度。 基于预定条件来控制供给/排出控制值，以便控制车体的姿势。 另外还设置有用于检测从车轮回弹的状态进一步发生的每个车轮的回弹的回弹检测传感器，以及用于检测汽缸单元中的压力的压力检测传感器。 当反弹检测传感器检测到反弹从反弹状态进一步发生时，如果压力检测传感器检测到的压力在升高状态持续给定时间段，则判断出供给/排出控制 阀门有麻烦。
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公开(公告)号：US5351985A
公开(公告)日：1994-10-04
申请号：US88638
申请日：1993-07-09
IPC分类号： B60G3/20 , B60G7/00 , B60G17/016 , B62D17/00
CPC分类号： B60G3/20 , B60G17/0162 , B60G7/006 , B62D17/00 , B60G2400/204 , B60G2400/41 , B60G2400/44 , B60G2800/012 , B60G2800/24
摘要： A suspension system has a link mechanism, disposed between a wheel support and a car body, for suspending the wheel support from the body so as to allow a wheel, related to steering, to swing about a center axis relative to the body. The link mechanism is caused to change a height of an instantaneous center of a swing of the wheel from the ground according to degrees of turn, such as steered angles, so as to maintain a height of the instantaneous center at a substantially fixed height from the ground.
摘要翻译： 悬挂系统具有连接机构，其设置在车轮支撑件和车身之间，用于将车轮支撑件从车身上悬挂，以允许与转向相关的车轮相对于车身绕中心轴线摆动。 引起连杆机构根据转向角度如转向角度将车轮的摆动的瞬时中心的高度从地面改变，以便将瞬时中心的高度保持在与 地面。
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公开(公告)号：US4978131A
公开(公告)日：1990-12-18
申请号：US441696
申请日：1989-11-27
申请人： Takeshi Edahiro , Seita Kanai , Kouichi Ushio
发明人： Takeshi Edahiro , Seita Kanai , Kouichi Ushio
CPC分类号： B62D7/1518 , B60G3/26 , B62D7/15
摘要： In a rear suspension system for a four-wheel-steered vehicle, each wheel support is connected to a rear wheel turning rod so that the rear wheel on the wheel support is turned about a king pin axis when the rear wheel turning rod is displaced. Upper and lower arms define the king pin axis, and the rear wheel on the wheel support is turned about the king pin axis in response to displacement of the rear wheel turning rod. The king pin axis is tilted inward from the vertical and intersects the tread of the rear wheel at a point which is longitudinally offset from the point at which a side force acts on the rear wheel during cornering. A coil spring is connected between the wheel support and the vehicle body and restrains vertical motion of the wheel support under the counterforce thereof. The line of action of the counterforce is tilted with respect to the king pin axis so that it is not parallel to the king pin axis, does not intersect the king pin axis and is directed such that the counterforce generates a moment which tends to turn the rear wheel in the direction opposite to the direction in which the moment generated by the side force acting on the outer of the rear wheels tends to turn the outer rear wheel when the vehicle corners.
摘要翻译： 在用于四轮转向车辆的后悬架系统中，每个车轮支撑件连接到后轮转向杆，使得当后轮转向杆移位时，车轮支撑件上的后轮围绕主销轴线转动。 上臂和下臂限定主销轴线，并且轮支撑件上的后轮响应于后轮转动杆的位移而围绕主销轴线转动。 主销轴从垂直方向向内倾斜，并且在转弯期间在侧向力作用在后轮上的点的纵向偏移的点处与后轮的胎面相交。 螺旋弹簧连接在车轮支撑件和车身之间，并且在其反作用力下限制车轮支撑件的垂直运动。 反作用力的作用线相对于主销轴线倾斜，使得其不平行于主销轴线，不与主销轴线相交并且被引导使得反作用力产生倾向于转动的力矩 后轮在与作用在后轮的外侧上的侧力所产生的力矩相反的方向上倾向于在车辆转弯时使外后轮转动。
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