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1. 发明授权

US08893864B2 Frequency unit valve 有权
标题翻译：频率单位阀
公开(公告)号：US08893864B2
公开(公告)日：2014-11-25
申请号：US13645023
申请日：2012-10-04
申请人： Mando Corporation
发明人： Wan Sang Park
IPC分类号： F16F9/34
CPC分类号： F16F9/5126
摘要： A frequency unit valve is provided. In the frequency valve, a free piston reciprocates within a housing where a sub-valve is mounted in a lower portion. Variable frequency units installed above and under the free piston provide a damping characteristic by selectively opening or closing a passage when a frequency of a piston rod is in a high-frequency region and a low-frequency region. Accordingly, the vehicle ride comfort is maximally improved.
摘要翻译：提供一个频率单位阀。在频率阀中，自由活塞在壳体内往复运动，其中副阀安装在下部。安装在自由活塞上方和下方的可变频率单元在活塞杆的频率处于高频区域和低频区域时通过选择性地打开或关闭通道来提供阻尼特性。因此，车辆乘坐舒适性得到最大程度的提高。

2. 发明授权

US09541153B2 Valve structure of shock absorber 有权
标题翻译：减震器阀结构
公开(公告)号：US09541153B2
公开(公告)日：2017-01-10
申请号：US14588775
申请日：2015-01-02
申请人： MANDO CORPORATION
发明人： Wan Sang Park
IPC分类号： F16F9/49 , F16F9/512 , F16F9/34
CPC分类号： F16F9/5126 , F16F9/34 , F16F9/3405
摘要： Provided is a valve structure of a shock absorber which is capable of controlling respective damping forces according to a frequency in compression and rebound motions of a piston valve, thereby satisfying both the ride comfort and the control stability. The valve structure of the shock absorber, which has a cylinder filled with a working fluid and a piston rod having one end located inside the cylinder and the other end extending outward from the cylinder, includes: a main piston valve assembly installed at one end of the piston rod and configured to operate in a state that the inside of the cylinder is divided into an upper chamber and a lower chamber, and generate a damping force varying according to a moving speed; and a frequency unit configured to move together with the main piston valve assembly and generate a damping force varying according to a frequency. The frequency unit includes: a hollow housing mounted at a lower end of the piston rod such that the housing is disposed under the main piston valve assembly; and a free piston disposed to be vertically movable within the housing.
摘要翻译：提供一种减振器的阀结构，其能够根据活塞阀的压缩和回弹运动的频率来控制各个阻尼力，从而满足乘坐舒适性和控制稳定性。具有填充有工作流体的气缸的缓冲器的阀结构和位于气缸内的一端的活塞杆和从气缸向外延伸的另一端包括：主活塞阀组件，其安装在所述活塞杆构造成在所述气缸的内部被分成上室和下室的状态下工作，并且产生根据移动速度而变化的阻尼力; 以及频率单元，被配置为与主活塞阀组件一起移动并产生根据频率而变化的阻尼力。频率单元包括：安装在活塞杆的下端处的中空壳体，使得壳体设置在主活塞阀组件下方; 以及设置成在壳体内可垂直移动的自由活塞。

3. 发明授权

US09010505B2 Shock absorber 有权
标题翻译：减震器
公开(公告)号：US09010505B2
公开(公告)日：2015-04-21
申请号：US13644245
申请日：2012-10-03
申请人： Mando Corporation
发明人： Wan Sang Park
IPC分类号： F16F9/34 , F16F9/49 , F16F9/58
CPC分类号： F16F9/49 , F16F9/585
摘要： A shock absorber is provided. The shock absorber includes: a piston rod; an inner passage having an inlet port at an outer periphery of the piston rod; and a stopper installed at the outer periphery of the piston rod. The stopper is disposed to surround the inlet port of the inner passage, and an outer passage extending from an upper portion of the stopper to the inlet port is formed between the stopper and the piston rod.
摘要翻译：提供减震器。减震器包括：活塞杆; 内部通道，在活塞杆的外周具有入口; 以及安装在活塞杆的外周的止动件。止动件设置成围绕内部通道的入口，并且在止动器和活塞杆之间形成从止动件的上部延伸到入口的外部通道。

4. 发明授权

US09611915B2 Valve structure of shock absorber 有权
公开(公告)号：US09611915B2
公开(公告)日：2017-04-04
申请号：US14588773
申请日：2015-01-02
申请人： MANDO CORPORATION
发明人： Wan Sang Park
IPC分类号： F16F9/49 , F16F9/512 , F16F9/34
CPC分类号： F16F9/5126 , F16F9/3405
摘要： Provided is a valve structure of a shock absorber which is capable of controlling respective damping forces according to a frequency in compression and rebound motions of a piston valve, thereby satisfying both the ride comfort and the control stability. The valve structure of the shock absorber, which has a cylinder filled with a working fluid and a piston rod having one end located inside the cylinder and the other end extending outward from the cylinder, includes: a main piston valve assembly installed at one end of the piston rod and configured to operate in a state that the inside of the cylinder is divided into an upper chamber and a lower chamber, and generate a damping force varying according to a moving speed; and a frequency unit configured to move together with the main piston valve assembly and generate a damping force varying according to a frequency. The frequency unit includes: a hollow housing mounted at a lower end of the piston rod such that the housing is disposed under the main piston valve assembly; and a free piston disposed to be vertically movable within the housing.

5. 发明授权

US09074650B2 Piston assembly of shock absorber 有权
标题翻译：减震器活塞组件
公开(公告)号：US09074650B2
公开(公告)日：2015-07-07
申请号：US13729686
申请日：2012-12-28
申请人： MANDO CORPORATION
发明人： Wan Sang Park , Tae Ju Kim
IPC分类号： F16F9/32
CPC分类号： F16F9/3214
摘要： Disclosed herein is a piston assembly of a shock absorber which ensures easy and prompt connection of components in the correct positions in assembling the piston assembly of a shock absorber by forming a seating unit between a piston body and a compression retainer and between the piston body and a tension retainer.
摘要翻译：本文公开了一种减震器的活塞组件，其通过在活塞体和压缩保持器之间并且在活塞体和压缩保持器之间形成座位单元，确保在组装减震器的活塞组件时在正确位置容易且迅速地连接部件张力保持器。

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