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公开(公告)号：US20060118372A1
公开(公告)日：2006-06-08
申请号：US11296078
申请日：2005-12-07
IPC分类号： F16F9/50
摘要： A vibration damper with amplitude-selective damping force includes a cylinder containing a damping medium, a piston rod which is axially movable in the cylinder, and a piston assembly arranged for axial movement in the damping medium, the piston assembly being connected to the piston rod and dividing the cylinder into a working space around the piston rod and a working space opposite the piston rod, the piston assembly includes a piston body having connecting channels for opposite directions of flow between the working spaces, and valve disks which open the channels in respective opposite directions. A pilot assembly includes an axially movable shifting ring which controls a flow connection between the working spaces as a function of movement of the piston rod, and a pair of stop surfaces which limit axial movement of the shifting ring, wherein the stop surfaces are independent of the piston body and the valve disks.
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公开(公告)号：US20070080034A1
公开(公告)日：2007-04-12
申请号：US11524742
申请日：2006-09-21
IPC分类号： F16F9/50
摘要： A vibration damper with amplitude-selective damping force includes a piston rod carrying a piston arrangement axially movably arranged in a cylinder and dividing the cylinder into two working spaces. A flow connection is present between the working spaces and controlled by an axially movable switching ring which cooperates with a working surface which faces the ring to define a pilot opening cross section. A bypass channel with at least two connecting openings to the flow connection is provided hydraulically in parallel to the flow connection. At least one connecting opening upstream of each of two stop surface of the switching ring. A check valve arrangement separates the bypass channel and the flow connection from each other in the different flow directions as a function of the movements of the piston rod, the check valve arrangement having two check valves which close in opposite directions.
摘要翻译： 具有振幅选择性阻尼力的减震器包括一个活塞杆，该活塞杆轴向可移动地布置在气缸中并将气缸分成两个工作空间。 在工作空间之间存在流动连接并由可轴向移动的开关环控制，该开关环与面向环的工作表面配合以限定先导开口横截面。 与流动连接并联地液压地提供具有至少两个连接开口的旁通通道。 在开关环的两个停止表面中的每一个上游的至少一个连接开口。 止回阀装置根据活塞杆的运动的函数在不同的流动方向上将旁通通道和流动连接彼此分开，止回阀装置具有两个沿相反方向关闭的止回阀。
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公开(公告)号：US07726451B2
公开(公告)日：2010-06-01
申请号：US11524742
申请日：2006-09-21
IPC分类号： F16F9/508
摘要： A vibration damper with amplitude-selective damping force includes a piston rod carrying a piston arrangement axially movably arranged in a cylinder and dividing the cylinder into two working spaces. A flow connection is present between the working spaces and controlled by an axially movable switching ring which cooperates with a working surface which faces the ring to define a pilot opening cross section. A bypass channel with at least two connecting openings to the flow connection is provided hydraulically in parallel to the flow connection. At least one connecting opening upstream of each of two stop surface of the switching ring. A check valve arrangement separates the bypass channel and the flow connection from each other in the different flow directions as a function of the movements of the piston rod, the check valve arrangement having two check valves which close in opposite directions.
摘要翻译： 具有振幅选择性阻尼力的减震器包括一个活塞杆，该活塞杆轴向可移动地布置在气缸中并将气缸分成两个工作空间。 在工作空间之间存在流动连接并由可轴向移动的开关环控制，该开关环与面向环的工作表面配合以限定先导开口横截面。 与流动连接并联地液压地提供具有至少两个连接开口的旁通通道。 在开关环的两个停止表面中的每一个上游的至少一个连接开口。 止回阀装置根据活塞杆的运动的函数在不同的流动方向上将旁通通道和流动连接彼此分开，止回阀装置具有两个沿相反方向关闭的止回阀。
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公开(公告)号：US07523818B2
公开(公告)日：2009-04-28
申请号：US11296078
申请日：2005-12-07
摘要： A vibration damper with amplitude-selective damping force includes a cylinder containing a damping medium, a piston rod which is axially movable in the cylinder, and a piston assembly arranged for axial movement in the damping medium, the piston assembly being connected to the piston rod and dividing the cylinder into a working space around the piston rod and a working space opposite the piston rod, the piston assembly includes a piston body having connecting channels for opposite directions of flow between the working spaces, and valve disks which open the channels in respective opposite directions. A pilot assembly includes an axially movable shifting ring which controls a flow connection between the working spaces as a function of movement of the piston rod, and a pair of stop surfaces which limit axial movement of the shifting ring, wherein the stop surfaces are independent of the piston body and the valve disks.
摘要翻译： 具有振幅选择阻尼力的振动阻尼器包括一个包含阻尼介质的气缸，一个可在气缸中轴向移动的活塞杆和一个活塞组件，该活塞组件设置成在阻尼介质中轴向移动，活塞组件连接到活塞杆 并且将气缸分为活塞杆周围的工作空间和与活塞杆相对的工作空间，活塞组件包括活塞体，其具有用于在工作空间之间相反的流动方向的连接通道，以及在相应的方向上打开通道的阀盘 相反的方向 导向组件包括一个可轴向移动的移动环，其根据活塞杆的运动来控制工作空间之间的流动连接，以及限制移动环的轴向运动的一对止动表面，其中止动表面独立于 活塞体和阀盘。
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