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公开(公告)号：US20190271371A1
公开(公告)日：2019-09-05
申请号：US16143405
申请日：2018-09-26
摘要： A piston assembly for a damper includes a main piston disposed on a center axis. A piston rod is attached to the main piston. A regulator extends between the piston rod and the main piston defining a compartment. The regulator has at least one first aperture and at least one second aperture. A restrictor divides the compartment into a first and second portion. An actuator having a core is disposed in the first portion movable between an opened and a closed position. The restrictor includes a sleeve disposed in the compartment and attached to the regulator. The sleeve defines a hole in fluid communication with the first and second portions and flares outwardly in the first portion toward the regulator to define a slanted edge extending at an oblique angle relative to the center axis to allow the working fluid to flow smoothly thereby limiting noises generated.
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公开(公告)号：US20150240902A1
公开(公告)日：2015-08-27
申请号：US14431901
申请日：2013-07-12
IPC分类号： F16F9/348
CPC分类号： F16F9/3485 , F16F9/348 , F16F9/3482 , F16F9/3488
摘要： A hydraulic damper (2) includes a first piston body member (233), a second piston body member (234), a third piston body member (235), and a compression stroke disc assembly (231) compressed at a radially inner side thereof between the first (233) and said second (234) piston body members. The hydraulic damper includes a rebound stroke disc assembly (232) compressed at the radially inner side thereof between the second (234) and third (235) piston body members, and the compression stroke disc assembly (231) additionally includes an annular supporting member (2319) positioning discs (2311-2318) of the compression stroke disc assembly (231) at radially inner side thereof, while a radially inner axial passage (23191) is defined at the radially inner side of the supporting member (2319).
摘要翻译： 液压阻尼器（2）包括第一活塞体构件（233），第二活塞体构件（234），第三活塞体构件（235）和在其径向内侧压缩的压缩冲程盘组件（231） 在第一（233）和第二（234）活塞主体构件之间。 液压阻尼器包括在第二（234）和第三（235）活塞主体构件之间的径向内侧压缩的回弹行程盘组件（232），并且压缩行程盘组件（231）还包括环形支撑构件 压缩行程盘组件（231）的径向内侧的定位盘（2311-2318），同时在支撑构件（2319）的径向内侧限定径向内部轴向通道（23191）。
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公开(公告)号：US10648527B2
公开(公告)日：2020-05-12
申请号：US15940824
申请日：2018-03-29
发明人： Pawel Slusarczyk , Jakub Wrzesinski
摘要： A twin tube damper assembly includes a main tube defining a fluid chamber. An external tube extends about the main tube defining a compensation chamber therebetween. A piston, slidably disposed in the fluid chamber, divides the fluid chamber into a compression chamber and a rebound chamber. A rod guide is disposed in the rebound chamber, attached to the main tube and the external tube, defining at least one channel in fluid communication with the rebound and compensation chambers. A piston rod extends through the rod guide and is attached to the piston. A pressure rate sensitive system, disposed in the rebound chamber, is attached to the rod guide in fluid communication with the at least one channel, the rebound chamber, and the compensation chamber for regulating the working fluid flow through the rod guide between the rebound and compensation chambers during compression and rebound strokes.
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公开(公告)号：US09719572B2
公开(公告)日：2017-08-01
申请号：US14431901
申请日：2013-07-12
IPC分类号： F16F9/348
CPC分类号： F16F9/3485 , F16F9/348 , F16F9/3482 , F16F9/3488
摘要： A hydraulic damper (2) includes a first piston body member (233), a second piston body member (234), a third piston body member (235), and a compression stroke disc assembly (231) compressed at a radially inner side thereof between the first (233) and said second (234) piston body members. The hydraulic damper includes a rebound stroke disc assembly (232) compressed at the radially inner side thereof between the second (234) and third (235) piston body members, and the compression stroke disc assembly (231) additionally includes an annular supporting member (2319) positioning discs (2311-2318) of the compression stroke disc assembly (231) at radially inner side thereof, while a radially inner axial passage (23191) is defined at the radially inner side of the supporting member (2319).
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公开(公告)号：US20150260253A1
公开(公告)日：2015-09-17
申请号：US14433301
申请日：2013-07-04
IPC分类号： F16F9/34
CPC分类号： F16F9/34 , F16F9/3485
摘要： A hydraulic damper (2) includes at least one spring valve assembly (28b, 28c) having a body (231, 261) provided with through flow channels (282), at least one deflectable disc (281) covering these through flow channels (282), and a supporting member (285, 285c) fixed to an axial member for clamping the at least one disc (281) at the inner circumferential part thereof. A spring seat (283b, 283c) is disposed around the supporting member (285, 285c) and abuts the at least one deflectable disc (281) in at least one radial position (2831, 2832) at the outer circumferential part thereof. A spring (284) is preloaded between the spring seat (283b, 283c) and the supporting member (285, 2851c). The spring seat (283b, 283c) includes at least one axial projection (2833b, 2833c) perimetrically engaging the at least one disc (281), and a circular gap (286) is provided between the spring seat (283b, 283c) and the supporting member (285, 2851c).
摘要翻译： 液压阻尼器（2）包括至少一个弹簧阀组件（28b，28c），其具有通过流动通道（282）设置的主体（231,261），至少一个可偏转盘（281），其覆盖这些通过流动通道 ）和固定到轴向构件的支撑构件（285,285c），用于在其内周部分夹持至少一个盘（281）。 弹簧座（283b，283c）围绕支撑构件（285,285c）设置并且在其外周部分处于至少一个径向位置（2831,2832）处邻接至少一个可偏转盘（281）。 在弹簧座（283b，283c）和支撑构件（285,2851c）之间预先安装弹簧（284）。 弹簧座（283b，283c）包括至少一个与所述至少一个盘（281）周向接合的轴向突出部（2833b，2833c），并且在弹簧座（283b，283c）和 支撑构件（285,2851c）。
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公开(公告)号：US20180142756A1
公开(公告)日：2018-05-24
申请号：US15787693
申请日：2017-10-18
CPC分类号： F16F9/466 , F16F9/348 , F16F9/463 , F16F2230/18
摘要： A hydraulic damper includes a piston rod attached to a slidable piston assembly having a hollow housing with first and second valve assemblies disposed therein and each including a valve body and rebound and compression discs for regulating flow of a working fluid through the piston assembly. The first valve assembly is disposed about a sleeve with a valve nut securing them within the housing. The second valve assembly is threadedly secured in the housing, with a pin holding it together. The housing including a coil and an armature, axially slidable through a plunger guide with a spring biasing the armature to a first position with fluid allowed to flow through the sleeve to bypass the first valve. The armature slides to a second position with fluid not bypassing the first valve in response to the coil being energized by an electrical cable which extends through the piston rod.
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公开(公告)号：US09909638B2
公开(公告)日：2018-03-06
申请号：US15367301
申请日：2016-12-02
IPC分类号： F16F9/49 , F16F9/516 , F16F9/19 , B60G13/08 , B60G15/06 , F16F9/36 , F16F13/00 , B60G17/08 , F16F9/06
CPC分类号： F16F9/516 , B60G13/08 , B60G15/061 , B60G17/08 , B60G2202/24 , B60G2500/10 , B60G2800/16 , F16F9/065 , F16F9/19 , F16F9/3214 , F16F9/34 , F16F9/3465 , F16F9/36 , F16F9/49 , F16F9/585 , F16F13/007 , F16F2228/066
摘要： A hydraulic suspension damper includes a tube having an opened end and a closed end defining a compartment. A main piston is disposed in the compartment dividing the compartment into a compression chamber and a rebound chamber. A piston rod is attached to the main piston. A rod guide is disposed at said opened end. A stroke stop arrangement includes an insert and an additional piston attached to the piston rod. The insert has a narrowed section including an inner surface defining at least one recess between the distal end and the rod guide and extends axially along the insert in fluid communication with the compression chamber for allowing working liquid flow from the rebound chamber to the compression chamber during the rebound stroke. The at least one recess includes three recesses disposed equidistantly and spaced from one another.
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公开(公告)号：US10746247B2
公开(公告)日：2020-08-18
申请号：US16143405
申请日：2018-09-26
摘要： A piston assembly for a damper includes a main piston disposed on a center axis. A piston rod is attached to the main piston. A regulator extends between the piston rod and the main piston defining a compartment. The regulator has at least one first aperture and at least one second aperture. A restrictor divides the compartment into a first and second portion. An actuator having a core is disposed in the first portion movable between an opened and a closed position. The restrictor includes a sleeve disposed in the compartment and attached to the regulator. The sleeve defines a hole in fluid communication with the first and second portions and flares outwardly in the first portion toward the regulator to define a slanted edge extending at an oblique angle relative to the center axis to allow the working fluid to flow smoothly thereby limiting noises generated.
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公开(公告)号：US20180306264A1
公开(公告)日：2018-10-25
申请号：US15940824
申请日：2018-03-29
发明人： Pawel Slusarczyk , Jakub Wrzesinski
CPC分类号： F16F9/185 , B60G13/08 , B60G17/06 , B60G2206/41 , F16F9/3257 , F16F9/3271 , F16F9/465 , F16F9/5126
摘要： A twin tube damper assembly includes a main tube defining a fluid chamber. An external tube extends about the main tube defining a compensation chamber therebetween. A piston, slidably disposed in the fluid chamber, divides the fluid chamber into a compression chamber and a rebound chamber. A rod guide is disposed in the rebound chamber, attached to the main tube and the external tube, defining at least one channel in fluid communication with the rebound and compensation chambers. A piston rod extends through the rod guide and is attached to the piston. A pressure rate sensitive system, disposed in the rebound chamber, is attached to the rod guide in fluid communication with the at least one channel, the rebound chamber, and the compensation chamber for regulating the working fluid flow through the rod guide between the rebound and compensation chambers during compression and rebound strokes.
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公开(公告)号：US10107351B2
公开(公告)日：2018-10-23
申请号：US15892368
申请日：2018-02-08
IPC分类号： F16F9/49 , F16F9/516 , B60G17/08 , F16F9/58 , B60G13/08 , B60G15/06 , F16F9/19 , F16F9/36 , F16F13/00 , F16F9/346 , F16F9/32 , F16F9/34 , F16F9/06
摘要： A hydraulic suspension damper includes a tube having an opened end and a closed end defining a compartment. A main piston is disposed in the compartment dividing the compartment into a compression chamber and a rebound chamber. A piston rod is attached to the main piston. A rod guide is disposed at said opened end. A stroke stop arrangement includes an insert and an additional piston attached to the piston rod. The insert has a narrowed section including an inner surface defining at least one recess between the distal end and the rod guide and extends axially along the insert in fluid communication with the compression chamber for allowing working liquid flow from the rebound chamber to the compression chamber during the rebound stroke. The at least one recess includes three recesses disposed equidistantly and spaced from one another.
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