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公开(公告)号：US20090090586A1
公开(公告)日：2009-04-09
申请号：US12231905
申请日：2008-09-05
CPC分类号： F16F9/535
摘要： A magnetorheological (MR) piston ring includes an MR-piston-ring body disposable within a cylinder of an MR damper. The MR-piston-ring body has a radially inner surface defining a boundary of a longitudinally-extending MR passageway. The MR-piston-ring body includes a surface portion which is slidingly engagable with the cylinder and which has first and second longitudinal ends. The surface portion includes at least one surface groove each defining a secondary MR passageway and extending from the first to the second longitudinal end or each defining an MR cavity extending from one of the first and second longitudinal ends toward, but not to, the other of the first and second longitudinal ends. An MR damper including the MR piston ring is also described.
摘要翻译： 磁流变（MR）活塞环包括可在MR阻尼器的气缸内一次性使用的MR活塞环体。 MR活塞环主体具有限定纵向延伸MR通道边界的径向内表面。 MR活塞环主体包括与气缸滑动接合并具有第一和第二纵向端部的表面部分。 表面部分包括至少一个表面凹槽，每个表面凹槽限定次级MR通道并且从第一至第二纵向端部延伸，或者每个限定出从第一和第二纵向端部中的一个向着但不是另一个 第一和第二纵向端部。 还描述了包括MR活塞环的MR阻尼器。
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公开(公告)号：US20120138399A1
公开(公告)日：2012-06-07
申请号：US13396054
申请日：2012-02-14
CPC分类号： F16F9/535
摘要： A magnetorheological (MR) piston ring includes an MR-piston-ring body disposable within a cylinder of an MR damper along a central longitudinal axis. The MR-piston-ring body has a radially inner surface defining a boundary of a longitudinally-extending MR passageway. The MR-piston-ring body includes a surface portion which is slidingly engagable with the cylinder and which has first and second longitudinal ends. The surface portion includes at least one surface groove each defining a secondary MR passageway and extending between the first and the second longitudinal ends. The surface groove is substantially straight and tilted with respect to a line drawn on the surface portion parallel to the central longitudinal axis. An MR damper including the MR piston ring is also described.
摘要翻译： 磁流变（MR）活塞环包括沿着中心纵向轴线在MR阻尼器的气缸内一次性放置的MR活塞环体。 MR活塞环主体具有限定纵向延伸MR通道边界的径向内表面。 MR活塞环主体包括与气缸滑动接合并具有第一和第二纵向端部的表面部分。 表面部分包括至少一个表面凹槽，每个表面凹槽限定第二MR通道并且在第一和第二纵向端之间延伸。 表面凹槽基本上是直的并且相对于平行于中心纵向轴线的表面部分上绘制的线倾斜。 还描述了包括MR活塞环的MR阻尼器。
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