公开(公告)号：US5243525A

公开(公告)日：1993-09-07

申请号：US580387

申请日：1990-09-11

申请人： Yasuhiro Tsutsumi ,  Yuji Yokoya ,  Yoshimichi Hara ,  Eiju Matsunaga ,  Hiroyuki Kawata ,  Akira Fukami ,  Yutaka Suzuki

发明人： Yasuhiro Tsutsumi ,  Yuji Yokoya ,  Yoshimichi Hara ,  Eiju Matsunaga ,  Hiroyuki Kawata ,  Akira Fukami ,  Yutaka Suzuki

IPC分类号： B60G17/015 ,  B60G17/019

CPC分类号： B60G17/01941 ,  B60G2202/24 ,  B60G2204/80 ,  B60G2400/204 ,  B60G2400/206 ,  B60G2400/302 ,  B60G2400/33 ,  B60G2400/41 ,  B60G2400/518 ,  B60G2400/60 ,  B60G2400/82 ,  B60G2400/91 ,  B60G2401/10 ,  B60G2500/10 ,  B60G2600/04 ,  B60G2600/70 ,  B60G2600/74 ,  B60G2600/76 ,  B60G2800/012 ,  B60G2800/014 ,  B60G2800/16 ,  B60G2800/22

摘要： A suspension control system for controlling a suspension having a shock absorber provided for each wheel of a vehicle includes a damping force change rate detector which detects a damping force change rate indicating a rate of change of a damping force of the shock absorber, and a damping force controller which alters the setting of the damping force on the basis of a relationship between the damping force change rate and an adjustment reference value. The system also includes a road surface condition detector which detects a condition of a road surface on which the vehicle is running on the basis of a change of the damping force of the shock absorber. Further, the system includes a damping force adjustment correcting unit which corrects the adjustment reference value by learning the adjustment reference value on the basis of a parameter related to the damping force of the shock absorber which reflects the condition of the road surface.

公开(公告)号：US5175687A

公开(公告)日：1992-12-29

申请号：US580388

申请日：1990-09-11

申请人： Yasuhiro Tsutsumi ,  Yuji Yokoya ,  Yoshimichi Hara ,  Eiju Matsunaga ,  Hiroyuki Kawata ,  Akira Fukami ,  Yutaka Suzuki

发明人： Yasuhiro Tsutsumi ,  Yuji Yokoya ,  Yoshimichi Hara ,  Eiju Matsunaga ,  Hiroyuki Kawata ,  Akira Fukami ,  Yutaka Suzuki

IPC分类号： B60G17/015 ,  B60G17/019

CPC分类号： B60G17/01941 ,  B60G2202/24 ,  B60G2202/42 ,  B60G2400/204 ,  B60G2400/206 ,  B60G2400/302 ,  B60G2400/33 ,  B60G2400/41 ,  B60G2400/518 ,  B60G2400/60 ,  B60G2400/82 ,  B60G2400/91 ,  B60G2401/10 ,  B60G2500/102 ,  B60G2500/104 ,  B60G2600/602 ,  B60G2600/604 ,  B60G2600/70 ,  B60G2600/74 ,  B60G2600/76 ,  B60G2800/16

摘要： A suspension control system for controlling a suspension having a shock absorber provided for a wheel of a vehicle includes a damping force detector which generates a damping force detection signal which indicates a change of a damping force of the shock absorber based on a condition of a road surface on which the vehicle is running. The system also includes a sprung resonance component extraction unit which extracts a sprung resonance component signal from the damping force detection signal. The sprung resonance component signal includes components having frequencies around a sprung resonance frequency of the shock absorber. Further, the system includes a determining part which determines whether or not the sprung resonance component signal exceeds a first level range provided for detecting a sign of the occurrence of a long-term vehicle vibration and which outputs a determination result. Moreover, the system includes a damping force controller which controls the shock absorber so that when the determining part determines that the sprung resonance component signal exceeds the first level range, the damping force of the shock absorber is altered to and maintained at an increased level and thus the suspension is maintained at a state which corresponds to the increased level and which is harder than before.

公开(公告)号：US4592540A

公开(公告)日：1986-06-03

申请号：US681378

申请日：1984-12-13

申请人： Yuji Yokoya ,  Shuuichi Buma ,  Hitoshi Araki

发明人： Yuji Yokoya ,  Shuuichi Buma ,  Hitoshi Araki

IPC分类号： B60G17/00 ,  B60G17/015 ,  B60G17/04 ,  B60G17/048 ,  B60G17/052 ,  F16F9/08 ,  F16F9/44 ,  F16F9/46 ,  B60G13/00 ,  B60G15/00 ,  F16F9/00 ,  F16F11/00

CPC分类号： B60G17/04 ,  B60G17/0521 ,  F16F9/462 ,  B60G2202/242 ,  B60G2202/314 ,  B60G2204/126 ,  B60G2204/1262 ,  B60G2204/128

摘要： An air suspension comprises a shock absorber having a piston rod in which is disposed a control rod for adjusting a damping force, an air spring having a main air chamber and an auxiliary air chamber, a valve body for affording and shutting off communication between both air chambers to adjust the spring constant of the air spring, a support having a rigid member to which the piston rod is fixed and in which the valve body is disposed and connected to a car body and an actuator provided above the support to adjust at the same time the damping force of the shock absorber and the spring constant of the air spring. The actuator is provided with an electric motor, a gear fixed to the motor and a pair of rods arranged parallel to each other and extended toward the rigid member of the support, one rod being coupled with the control rod and the other being coupled with the valve body. The pair of rods are coupled respectively with a pair of tubes supported rotatably by a bracket through pins. A gear is fixed to each tube and at least one of two gears meshes with the gear of the motor.

摘要翻译： 空气悬架包括具有活塞杆的减震器，其中设置有用于调节阻尼力的控制杆，具有主空气室和辅助空气室的空气弹簧，用于提供和关闭两个空气之间的连通的阀体 用于调节空气弹簧的弹簧常数的支撑件，具有刚性构件的支撑件，活塞杆固定到该刚性构件上，并且其中阀体被布置并连接到车身和设置在支撑件上方的致动器以在相同的位置上调节 时间减震器的阻尼力和空气弹簧的弹簧常数。 致动器设置有电动机，固定到电动机的齿轮和彼此平行布置并朝向支撑件的刚性构件延伸的一对杆，一个杆与控制杆联接，另一个与 阀体。 一对杆分别与由支架可转动地支承的支柱一对连接。 一个齿轮固定在每个管上，两个齿轮中的至少一个与电动机的齿轮啮合。

公开(公告)号：US4530254A

公开(公告)日：1985-07-23

申请号：US530245

申请日：1983-09-08

申请人： Shuhei Toyoda ,  Yuji Yokoya ,  Hakumi Ishii

发明人： Shuhei Toyoda ,  Yuji Yokoya ,  Hakumi Ishii

IPC分类号： B62D1/18 ,  B62D1/183 ,  B62D1/184

CPC分类号： B62D1/184 ,  B62D1/183 ,  Y10T74/20714

摘要： In a fastening device for a tiltable steering assembly of the type in which the steering wheel can be tiltably adjusted into a number of selected driving positions in accordance with the driver's physique, the manual lever of the device is arranged to be moved upwardly to a predetermined angular position for effecting upward movement of the steering wheel into a remote position with respect to a pre-adjusted angular position and to be moved upwardly over the predetermined angular position for adjustment of the pre-adjusted angular position of the steering wheel. In the arrangement of the manual lever, the steering wheel is automatically returned to the pre-adjusted angular position and locked at the same position when depressed from the remote position.

摘要翻译： 在用于可倾斜转向组件的紧固装置中，其中方向盘可以根据驾驶员的身体被可倾斜地调节到多个选定的驾驶位置，该装置的手动杆被布置成向上移动到预定的 用于使方向盘相对于预调节的角位置向上移动到远程位置并且向上移动超过预定角度位置的角度位置，用于调整方向盘的预先调节的角位置。 在手动杆的布置中，方向盘自动地返回到预调节的角位置并且在从远方位置被按压时被锁定在相同位置。

公开(公告)号：US5314036A

公开(公告)日：1994-05-24

申请号：US816726

申请日：1992-01-03

申请人： Shinji Kato ,  Soya Takagi ,  Akio Sato ,  Mizuho Sugiyama ,  Yuji Yokoya

发明人： Shinji Kato ,  Soya Takagi ,  Akio Sato ,  Mizuho Sugiyama ,  Yuji Yokoya

IPC分类号： B62D5/06 ,  B62D3/12 ,  B62D15/02 ,  G01B21/22 ,  G01D5/14 ,  G01D5/16 ,  G01D5/20 ,  B62D5/04 ,  G01D5/12 ,  G01R33/06

CPC分类号： G01D5/2033 ,  B62D15/0225 ,  B62D3/123 ,  G01D5/142

摘要： A steering angle sensor for accurately detecting the steering angle of a vehicle, which has a signal pattern based on partial changes of the electromagnetic characteristics formed at part of the steering rack bar of the steering gear box and reads the same by a signal detector provided opposing the steering rack bar so as to detect the absolute position of the steering rack bar.

摘要翻译： 一种用于准确地检测车辆的转向角的转向角传感器，其具有基于在转向齿轮箱的转向齿条的一部分形成的电磁特性的部分变化的信号图案，并且通过相对设置的信号检测器 转向架杆，以便检测转向架杆的绝对位置。

公开(公告)号：US5134566A

公开(公告)日：1992-07-28

申请号：US656726

申请日：1991-02-19

申请人： Yuji Yokoya ,  Yasuhiro Tsutsumi ,  Yutaka Suzuki ,  Yoshimichi Hara ,  Akira Fukami

发明人： Yuji Yokoya ,  Yasuhiro Tsutsumi ,  Yutaka Suzuki ,  Yoshimichi Hara ,  Akira Fukami

IPC分类号： B60G17/015 ,  B60G17/019 ,  F16F9/50

CPC分类号： B60G17/015 ,  B60G17/01941 ,  B60G2202/42 ,  B60G2204/80 ,  B60G2400/202 ,  B60G2400/204 ,  B60G2400/60 ,  B60G2400/82 ,  B60G2401/10 ,  B60G2401/172 ,  B60G2500/10 ,  B60G2600/602 ,  B60G2600/604 ,  B60G2600/70 ,  B60G2600/74 ,  B60G2600/76

摘要： A shock absorber control system having shock absorbers provided respectively between wheels of a vehicle and a body thereof includes road surface condition detecting units provided for the respective shock absorbers, and damping force characteristic alteration units provided for the respective shock absorbers. The shock absorber control system also includes a correction unit for separately generating signals indicative of detection characteristics of the road surface condition detecting units provided for the respective shock absorbers on the basis of road surface condition detection signals generated by the road surface condition detecting units and for separately correcting either reference values used for determining whether or not the road surface is rough by the damping force characteristic alteration units or the road surface condition detection signals on the basis of the detection characteristics of the road surface condition detecting units provided for the respective shock absorbers.

公开(公告)号：US5069476A

公开(公告)日：1991-12-03

申请号：US520185

申请日：1990-05-08

申请人： Yasuhiro Tsutsumi ,  Yuji Yokoya ,  Yoshimichi Hara ,  Eiju Matsunaga ,  Hiroyuki Kawata ,  Akira Fukami ,  Yutaka Suzuki

发明人： Yasuhiro Tsutsumi ,  Yuji Yokoya ,  Yoshimichi Hara ,  Eiju Matsunaga ,  Hiroyuki Kawata ,  Akira Fukami ,  Yutaka Suzuki

IPC分类号： B60G17/015 ,  B60G17/019

CPC分类号： B60G17/01941 ,  B60G2400/204 ,  B60G2400/302 ,  B60G2400/33 ,  B60G2400/40 ,  B60G2400/50 ,  B60G2400/60 ,  B60G2401/10 ,  B60G2500/102 ,  B60G2600/02 ,  B60G2800/012 ,  B60G2800/014 ,  B60G2800/18 ,  B60G2800/22

摘要： A suspension control system controls suspensions provided for wheels of a vehicle includes a driving condition detecting part for detecting a driving condition of the vehicle, and a determination part for determining whether or not the driving condition detected by the driving condition detecting part coincides with a predetermined driving condition. The suspensions are grouped into a plurality of groups. Also the system includes a control part for separately controlling the suspensions on the basis of the driving condition when the determination part determines that the driving condition does not coincide with the predetermined driving condition and for controlling the suspensions for each of the groups so that the suspensions in an identical group are set to an identical condition when the determination part determines that the driving condition coincides with the predetermined driving condition.

公开(公告)号：US5013955A

公开(公告)日：1991-05-07

申请号：US535194

申请日：1990-06-07

申请人： Yoshimichi Hara ,  Eiju Matsunaga ,  Hiroyuki Kawata ,  Akira Hukami ,  Yutaka Suzuki ,  Makoto Shiozaki ,  Yuji Yokoya ,  Yasuhiro Tsutsumi

发明人： Yoshimichi Hara ,  Eiju Matsunaga ,  Hiroyuki Kawata ,  Akira Hukami ,  Yutaka Suzuki ,  Makoto Shiozaki ,  Yuji Yokoya ,  Yasuhiro Tsutsumi

IPC分类号： B60G17/015 ,  B60G17/0185 ,  B60G17/019 ,  F02D41/20 ,  H01L41/04

CPC分类号： H01L41/042 ,  B60G17/0185 ,  B60G17/01941 ,  B60G2202/24 ,  B60G2202/422 ,  B60G2400/106 ,  B60G2400/204 ,  B60G2400/304 ,  B60G2400/41 ,  B60G2400/518 ,  B60G2401/10 ,  B60G2401/14 ,  B60G2500/10 ,  B60G2600/02 ,  B60G2600/04 ,  B60G2600/044 ,  B60G2600/07 ,  B60G2600/08 ,  B60G2600/60 ,  B60G2600/602 ,  B60G2600/70 ,  F02D41/2096

摘要： A drive system of a piezo-type actuator for use in a motor vehicle, which piezo-type actuator is constructed with a piezoelectric device which is expandable and contractible in accordance with application of a voltage thereto. The drive system includes a voltage-increasing section for increasing an output voltage of a power source mounted on the motor vehicle so as to develop a drive voltage for the piezo-type actuator and a voltage-application section for applying to the piezoelectric device of the piezo-type actuator the drive voltage. Also included in the drive system is an abnormality detection section which is arranged so as to an abnormality of the drive voltage developed by the voltage-increasing section. A safety controller is responsive to an abnormality signal from the abnormality detection section for prohibiting the application of the drive voltage to the piezoelectric device thereof and further discharging charges accumulated in the piezoelectric device thereof when the abnormality detection section detects the abnormality of the developed drive voltage. With this arrangement, it is possible to prevent troubles due to the abnormality of the drive voltage to be applied to the piezoelectric device of the piezo-type actuator.

公开(公告)号：US4821852A

公开(公告)日：1989-04-18

申请号：US56760

申请日：1987-06-02

申请人： Yuji Yokoya

发明人： Yuji Yokoya

IPC分类号： F16F9/34 ,  F16F9/348 ,  F16F9/52

CPC分类号： F16F9/348 ,  F16F9/52 ,  Y10T137/789

摘要： A shock absorber includes a piston for partitioning the interior of a cylinder into two liquid chambers while affording communication between both liquid chambers through a plurality of ports, and a valve body biased toward the piston for opening and closing the ports. The piston has a ring portion which forms a path in cooperation with the valve body for regulating the amount of liquid flowing from the ports around an outer peripheral edge of the valve body. An effective area of the ports is larger than the maximum effective area of the path.

摘要翻译： 减震器包括用于将气缸内部分隔成两个液体室的活塞，同时通过多个端口提供两个液体室之间的连通，以及朝向活塞偏压以打开和关闭端口的阀体。 活塞具有环形部分，其与阀体协作形成路径，用于调节从围绕阀体的外周边缘的端口流出的液体的量。 端口的有效区域大于路径的最大有效面积。

公开(公告)号：US5142477A

公开(公告)日：1992-08-25

申请号：US602696

申请日：1990-10-24

申请人： Yasuhiro Tsutsumi ,  Yuji Yokoya ,  Yoshimichi Hara ,  Eiju Matsunaga ,  Hiroyuki Kawata ,  Akira Fukami ,  Yutaka Suzuki

发明人： Yasuhiro Tsutsumi ,  Yuji Yokoya ,  Yoshimichi Hara ,  Eiju Matsunaga ,  Hiroyuki Kawata ,  Akira Fukami ,  Yutaka Suzuki

IPC分类号： B60G17/015 ,  B60G17/0165 ,  B60G17/019

CPC分类号： B60G17/0165 ,  B60G17/01941 ,  B60G2202/24 ,  B60G2400/102 ,  B60G2400/106 ,  B60G2400/204 ,  B60G2400/302 ,  B60G2400/34 ,  B60G2400/41 ,  B60G2400/518 ,  B60G2401/10 ,  B60G2500/102 ,  B60G2600/60 ,  B60G2600/70 ,  B60G2600/90

摘要： A suspension control system for controlling a suspension having a shock absorber provided for a wheel of a vehicle includes a damping force change rate detector which detects a damping force change rate indicating a rate of change of a damping force of the shock absorber, and a damping force controller which alters the setting of the damping force on the basis of the relationship between the damping force change rate and an adjustment reference value. The system also includes a road surface condition detector which detects, for every first period, the condition of a road surface on which the vehicle is running on the basis of a change of the damping force of the shock absorber, and a damping force adjustment correcting unit which corrects the adjustment reference value by learning, for every second period, the adjustment reference value on the basis of a parameter related to the damping force of the shock absorber which reflects the condition of the road surface. Further, the system includes a period adjustment unit which adjusts the first period on the basis of a vehicle speed.