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1. 发明授权

US4984819A Automotive suspension system and shock absorber therefor 失效
标题翻译：汽车悬架系统及减震器
公开(公告)号：US4984819A
公开(公告)日：1991-01-15
申请号：US337349
申请日：1989-04-13
申请人： Shinobu Kakizaki , Fumiyuki Yamaoka , Shigeru Kikushima , Junichi Emura
发明人： Shinobu Kakizaki , Fumiyuki Yamaoka , Shigeru Kikushima , Junichi Emura
IPC分类号： B60G17/015 , B60G17/018 , B60G17/019
CPC分类号： B60G17/018 , B60G17/0152 , B60G17/01941 , B60G2400/202 , B60G2400/252 , B60G2400/518 , B60G2400/5182 , B60G2401/10 , B60G2500/10 , B60G2600/60
摘要： An automotive suspension system employs a pressure sensor means designed for monitoring fluid pressure in a fluid chamber of shock absorber to be compressed during piston bounding stroke. Variable suspension characteristics to vary suspension mode between HARD mode and SOFT mode so that suspension mode is normally set in SOFT mode and switched into HARD mode when variation rate of the output of the sensor means becomes greater than a predetermined rate and when the output of the sensor means represents a pressure higher than a predetermined level in the piston bounding stroke.
摘要翻译：汽车悬架系统采用压力传感器装置，其设计用于监测减震器的流体室中的流体压力，以在活塞行程中被压缩。可变悬架特性用于在HARD模式和SOFT模式之间改变悬架模式，使得悬架模式通常在SOFT模式中设置并且当传感器装置的输出的变化率变得大于预定速率时切换到HARD模式，并且当输出传感器装置表示在活塞行程中高于预定水平的压力。

2. 发明授权

US5054809A Variable damping characteristics shock absorber 失效
标题翻译：可变阻尼特性减震器
公开(公告)号：US5054809A
公开(公告)日：1991-10-08
申请号：US440215
申请日：1989-11-22
申请人： Fumiyuki Yamaoka , Shinobu Kakizaki , Shigeru Kikushima
发明人： Fumiyuki Yamaoka , Shinobu Kakizaki , Shigeru Kikushima
IPC分类号： F16F9/46 , B60G17/015 , B60G17/018 , B60G17/019
CPC分类号： B60G17/018 , B60G17/01941 , B60G2202/24 , B60G2400/5182 , B60G2401/10 , B60G2500/10 , B60G2600/14
摘要： A variable damping characteristics shock absorber includes a piezoelectric unit which serves as a sensor for detecting piston stroke and an actuator for adjusting stiffness of a flow restriction valve and thus for adjusting the damping characteristics of the shock absorber. The shock absorber includes a pair of flow restriction valves, in which one of valve is active in response to a piston bounding stroke for generating damping force by restricting the fluid flow and the other is active in response to a piston rebounding stroke for generating a damping force by restricting fluid flow. The piezoelectric unit is disposed between two valves in such a manner that it may monitor piston strokes both in the bounding and rebounding stroke directions and adjust stiffness of both of the flow restriction valves.
摘要翻译：可变阻尼特性减震器包括用作检测活塞冲程的传感器的压电单元和用于调节流量限制阀的刚度并因此用于调节减震器的阻尼特性的致动器。减震器包括一对流量限制阀，其中阀中的一个响应于活塞行程起作用，通过限制流体流而产生阻尼力，另一个响应于活塞回弹行程起作用以产生阻尼限制流体流动的力。压电单元以这样的方式设置在两个阀之间，使得它可以监视行程方向上的活塞冲程和调节两个流量限制阀的刚度。

3. 发明授权

US5133434A Variable damping force shock absorber with feature of independent adjustment of damping characteristics for bounding a rebounding strokes 失效
标题翻译：具有阻尼特性的独立调整特性的可变阻尼力冲击吸收器
公开(公告)号：US5133434A
公开(公告)日：1992-07-28
申请号：US536771
申请日：1990-06-12
申请人： Shigeru Kikushima , Fumiyuki Yamaoka
发明人： Shigeru Kikushima , Fumiyuki Yamaoka
IPC分类号： F16F9/46
CPC分类号： F16F9/464 , Y10T137/778
摘要： A variable damping force shock absorber has a two separate bounding and rebounding fluid flow path, which the bounding fluid path is active for permitting fluid flow in a piston bounding stroke and the rebounding fluid path is active for permitting fluid flow in a piston rebounding stroke. A first flow restriction device is associated with the bounding fluid path for adjusting fluid flow path area of the bounding fluid path, which first flow restriction device is variable of magnitude of fluid flow restriction for adjusting damping characteristics for piston bounding stroke. A second flow restriction device is associated with the rebounding fluid flow path, which second flow restriction device is variable of flow restriction magnitude for adjusting damping characteristics for piston rebounding stroke. The first and second flow restriction devices are operable independently of each other.
摘要翻译：可变阻尼力减震器具有两个分离的界限和回弹流体流动路径，其中边界流体路径是活动的，以允许流体在活塞行程中流动，并且回弹流体路径是活动的，以允许流体在活塞回弹行程中流动。第一流量限制装置与用于调节包围流体路径的流体流动路径区域的边界流体路径相关联，该第一流量限制装置可以用于调整用于活塞行程的阻尼特性的流体流动限制的大小。第二流量限制装置与回弹流体流动路径相关联，该第二流量限制装置可变的流量限制幅度用于调整活塞反弹行程的阻尼特性。第一和第二流量限制装置彼此独立地操作。

4. 发明授权

US4948163A Damping characteristics variable hydraulic shock absorber for automotive suspension system with vehicular attitude suppressing capability 失效
标题翻译：具有车辆姿态抑制能力的汽车悬架系统的阻尼特性可变液压减震器
公开(公告)号：US4948163A
公开(公告)日：1990-08-14
申请号：US359091
申请日：1989-05-30
申请人： Shigeru Kikushima , Fumiyuki Yamaoka , Shinobu Kakizaki , Junichi Emura
发明人： Shigeru Kikushima , Fumiyuki Yamaoka , Shinobu Kakizaki , Junichi Emura
IPC分类号： B60G17/015 , B60G17/019
CPC分类号： B60G17/01941 , B60G2400/10 , B60G2400/34 , B60G2400/41 , B60G2400/518 , B60G2401/10 , B60G2500/10 , B60G2800/22
摘要： A hydraulic shock absorber is provided a capability of quick response in such an extent that harder damping characteristics is provided during bounding stroke in each vibration cycle and softer damping characteristics is provided during rebounding stoke in each vibration cycle. The hydraulic shock absorber is controlled the damping characteristics for damping road shock by switching damping characteristics between harder damping characteristics and softer damping characteristics during normal mode operation. On the other hand, in attitude change suppression mode, suspension characteristics for suppressing vehicular body attitude change irrespective of the vibration mode.
摘要翻译：液压缓冲器具有快速响应的能力，在每个振动周期中在限制冲程期间提供更硬的阻尼特性，并且在每个振动周期中的弹回期间提供较软的阻尼特性。通过在正常模式操作期间通过在较硬阻尼特性和较软阻尼特性之间切换阻尼特性来控制液压减震器来阻尼道路冲击的阻尼特性。另一方面，在姿态变化抑制模式中，与振动模式无关地，用于抑制车体姿态的悬架特性变化。

5. 发明授权

US5133574A Variable damping characteristics suspension system for automotive suspension system with variable damping characteristics shock absorber with input vibration frequency dependent variation characteristics 失效
标题翻译：具有可变阻尼特性的汽车悬架系统的可变阻尼特性悬挂系统具有输入振动频率的相位变化特性的震动吸收器
公开(公告)号：US5133574A
公开(公告)日：1992-07-28
申请号：US436030
申请日：1989-11-14
申请人： Fumiyuki Yamaoka , Shinobu Kakizaki , Shigeru Kikushima
发明人： Fumiyuki Yamaoka , Shinobu Kakizaki , Shigeru Kikushima
IPC分类号： B60G17/015 , B60G17/019 , B60G17/08 , F16F9/50
CPC分类号： B60G17/01941 , B60G2400/252 , B60G2400/51 , B60G2400/91 , B60G2401/10 , B60G2600/14 , B60G2600/184
摘要： An automotive suspension system includes means for monitoring bounding and rebounding strokes for producing a stroke indicative signal, and means for detecting frequency of bounding and rebounding strokes based on the stroke indicative signal. The suspension characteristics are hardened when the detected frequency is lower than a predetermined stroke frequency threshold for providing higher driving stability. On the other hand, when the detected stroke frequency is higher than or equal to the stroke frequency threshold, the suspension characteristics are switched between harder suspension characteristics and softer suspension characteristics depending upon stroke position for absorbing vibration energy and assuring riding comfort.
摘要翻译：汽车悬架系统包括用于监测用于产生笔划指示信号的边界和反弹笔划的装置，以及用于基于笔划指示信号检测边界和反弹笔划的频率的装置。当检测到的频率低于预定的行程频率阈值以提供更高的驾驶稳定性时，悬架特性被硬化。另一方面，当检测到的冲程频率高于或等于行程频率阈值时，根据用于吸收振动能量的行程位置和确保骑乘舒适度，悬架特性在较硬的悬架特性和较软的悬架特性之间切换。

6. 发明授权

US4961483A Variable damping characteristics shock absorber with feature of generation of piston stroke direction indicative signal 失效
标题翻译：可变阻尼特性减震器具有产生活塞行程方向指示信号的特点
公开(公告)号：US4961483A
公开(公告)日：1990-10-09
申请号：US388006
申请日：1989-08-01
申请人： Fumiyuki Yamaoka , Shinobu Kakizaki , Shigeru Kikushima
发明人： Fumiyuki Yamaoka , Shinobu Kakizaki , Shigeru Kikushima
IPC分类号： B60G17/015 , B60G17/019 , F16F9/46
CPC分类号： F16F9/464 , B60G17/01941 , B60G2202/24 , B60G2400/25 , B60G2400/50 , B60G2400/5182 , B60G2401/10 , B60G2600/184 , B60G2600/602
摘要： A variable damping characteristics shock absorber includes a piezoelectric transducer which is responsive to piston stroke for producing a piston stroke indicative signal. The piston stroke indicative signal includes component indicative of piston strike direction so as to enable control of the damping characteristics depending upon the piston stroke direction.
摘要翻译：可变阻尼特性减震器包括压电换能器，其响应于活塞冲程以产生活塞行程指示信号。活塞冲程指示信号包括指示活塞冲击方向的部件，以便能够根据活塞行程方向控制阻尼特性。

7. 发明授权

US4949989A Automotive suspension system with variable suspension characteristics and variable damping force shock absorber therefor 失效
标题翻译：具有可变悬架特性和可变阻尼力减震器的汽车悬架系统
公开(公告)号：US4949989A
公开(公告)日：1990-08-21
申请号：US340062
申请日：1989-04-18
申请人： Shinobu Kakizaki , Fumiyuki Yamaoka , Shigeru Kikushima , Junichi Emura
发明人： Shinobu Kakizaki , Fumiyuki Yamaoka , Shigeru Kikushima , Junichi Emura
IPC分类号： B60G17/015 , B60G17/019
CPC分类号： B60G17/01941 , B60G2202/24 , B60G2400/204 , B60G2400/252 , B60G2400/5182 , B60G2401/10 , B60G2500/10 , B60G2500/102 , B60G2600/02 , B60G2600/66
摘要： An automotive suspension system employs a pressure sensor means designed for monitoring fluid pressure in a fluid chamber of shock absorber to be compressed during piston bounding stroke. Variable suspension characteristics to vary suspension mode between HARD mode and SOFT mode so that suspension mode is normally set in SOFT mode and switched into HARD mode when the peak value of variation rate of the output of the sensor means is detected. The suspension system is provided a deadband for maintaining the suspension mode unchanged even when the peak of variation rate is detected.
摘要翻译：汽车悬架系统采用压力传感器装置，其设计用于监测减震器的流体室中的流体压力，以在活塞行程中被压缩。在HARD模式和SOFT模式之间改变悬架模式的可变悬架特性，使得当检测到传感器装置的输出的变化率的峰值时，悬架模式通常在SOFT模式中设置并切换到HARD模式。即使在检测到变化率的峰值时，悬挂系统也被提供用于保持悬架模式不变的死区。

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