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公开(公告)号：US20180051767A1
公开(公告)日：2018-02-22
申请号：US15562310
申请日：2016-09-26
发明人： Umi TANABE , Yusei KIMURA
CPC分类号： F16F9/36 , F16F9/3235 , F16F9/3242 , F16F9/46 , F16F9/53 , F16F9/532 , F16F2230/30
摘要： A cylinder device includes: an inner cylinder in which a functional fluid, a fluid property of which is changed due to an electric field or a magnetic field, is encapsulated; an outer cylinder provided outside the inner cylinder; an intermediate cylinder provided between the inner cylinder and the outer cylinder to serve as an electrode or a magnetic pole; a rod guide provided to close the one end side end portions of the inner cylinder and the outer cylinder; a spacer having one end located at the rod guide side and the other end located at the one end side of the intermediate cylinder, and fitted to the inner cylinder; and an elastic seal member disposed in a portion of the other end of the spacer, and configured to seal the one end side end portion of the passage between the intermediate cylinder and the inner cylinder.
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公开(公告)号：US20150276000A1
公开(公告)日：2015-10-01
申请号：US14661576
申请日：2015-03-18
CPC分类号： F16F9/34 , F16F9/185 , F16F9/3257 , F16F9/46
摘要： A flow of hydraulic oil induced by sliding movement of a piston in a cylinder is controlled by a damping force generating mechanism to generate a damping force. A flow of hydraulic oil from a casing of the damping force generating mechanism toward a reservoir is regulated by a passage groove formed on the bottom of the casing so as to be directed downward in the reservoir. Thus, the hydraulic oil is efficiently supplied to a base valve from the damping force generating mechanism even when the hydraulic oil is sucked from the reservoir into a cylinder lower chamber through a passage in the base valve during the extension stroke of a piston rod. Therefore, it is possible to suppress a sharp reduction in pressure in the lower part of the reservoir and hence possible to suppress the occurrence of aeration and to obtain stable damping force characteristics.
摘要翻译： 通过活塞在气缸中的滑动运动而引起的液压油流由阻尼力产生机构控制以产生阻尼力。 从阻尼力产生机构的壳体朝向储存器的液压油的流动由形成在壳体的底部上的通道槽调节，以便向下指向储存器。 因此，即使当在活塞杆的延伸冲程期间液压油通过基阀中的通道从储存器被吸入到缸下室中时，液压油也可以从阻尼力产生机构有效地供应到基阀。 因此，可以抑制储存器下部的压力的急剧下降，从而可以抑制通气的发生并获得稳定的阻尼力特性。
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公开(公告)号：US20180320751A1
公开(公告)日：2018-11-08
申请号：US15740651
申请日：2016-08-18
发明人： Kosuke KADOKURA , Yasuhiro AOKI , Yusei KIMURA
CPC分类号： F16F9/325 , F16F9/0472 , F16F9/523 , F16F9/532 , F16F13/30
摘要： Electro-rheological fluid serving as working fluid (2) is filled in a shock absorber (1). The shock absorber (1) is configured to control a generated damping force by generating an electric potential difference in an electrode passage (19) and controlling viscosity of the electro-rheological fluid which passes through the electrode passage (19). An adjusting valve (21) configured to generate a damping force is provided on a downstream side of the electrode passage (19). An orifice area, a spring stiffness, a port area, and the like of the adjusting valve (21) can be adjusted (changed) in accordance with a type, specifications, and the like of a vehicle in which the shock absorber (1) is installed. As a result, the damping force characteristic can be tuned as desired by a method other than adjustment of the damping force through voltage adjustment when the working fluid (2) passes through the electrode passage (19).
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公开(公告)号：US20180094690A1
公开(公告)日：2018-04-05
申请号：US15562474
申请日：2016-08-24
发明人： Umi TANABE , Yusei KIMURA
CPC分类号： F16F9/3235 , F16F9/34 , F16F9/346 , F16F9/466 , F16F9/53
摘要： Provided is a cylinder device including: an inner cylinder in which a functional fluid, a fluid property of which is changed due to an electric field or a magnetic field, is encapsulated; an outer cylinder provided outside the inner cylinder; and a flow path forming unit provided between the inner cylinder and the outer cylinder so as to define a flow path through which the functional fluid flows by advancing and retracting movements of the rod from a first end side to a second end side in an axial direction, and configured to he relatively non-rotatable relative to the inner cylinder or the outer cylinder. The flow path obliquely extends around the inner cylinder or the flow path forming unit, and the flow path has a first portion extending m a first oblique direction and a second portion extending in a second oblique direction opposite to the first oblique direction.
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公开(公告)号：US20160017951A1
公开(公告)日：2016-01-21
申请号：US14797900
申请日：2015-07-13
发明人： Hiroyuki MATSUMOTO , Shigeo KATAYAMA , Yohei KATAYAMA , Umi TANABE , Yusei KIMURA , Yoshie MIDORIKAWA , Hideki HATA , Osamu SHIOUME
CPC分类号： F16F9/3415 , F16F9/18 , F16F9/3257
摘要： A shock absorber includes a reservoir between a cylinder and an outer tube, in which hydraulic liquid and gas are sealed; a middle tube between the cylinder and the outer tube; a connecting pipe in the lateral wall of the middle tube, which includes a tip end extending toward the outside of the outer tube; an opening in the outer tube, allowing hydraulic liquid to flow from the outside of the outer tube into the reservoir through the outer side of the connecting pipe; and a partition member in the reservoir, which includes a partition wall that configured to regulate hydraulic liquid's upward flow from the opening in the reservoir. The partition member is made of flexible resin or rubber, provided with a fitting hole, and fitted to the connecting pipe with interference with the connecting pipe inserted through the hole.
摘要翻译： 减震器包括在缸和外管之间的储存器，其中液压液体和气体被密封; 圆筒和外管之间的中间管; 中间管的侧壁中的连接管，其包括朝向外管的外侧延伸的尖端; 外管中的开口，允许液压液体通过连接管的外侧从外管的外部流入储存器; 以及储存器中的分隔构件，其包括构造成调节液压液体从储存器中的开口向上流动的分隔壁。 分隔构件由柔性树脂或橡胶制成，设有安装孔，并与插入通孔的连接管干涉的连接管装配。
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