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102. 发明专利

JP2013170661A Hydraulic damper 有权
标题翻译：液压阻尼器
公开(公告)号：JP2013170661A
公开(公告)日：2013-09-02
申请号：JP2012036233
申请日：2012-02-22
申请人： Kyb Co Ltd , カヤバ工業株式会社 , Kyb−Ys株式会社 , Kyb-Ys Co Ltd
发明人： NAKATA KENTA , SEKINE SHINICHI , TOYOUCHI ATSUSHI , NAKAZATO MASAKAZU , SAITO KEIJI , FUKUZAWA YUJI
IPC分类号： F16F9/32 , F16F9/19
摘要： PROBLEM TO BE SOLVED: To improve damper characteristics of a hydraulic damper for performing a contraction operation from the most extended state.SOLUTION: A hydraulic damper 1 filled with compressive hydraulic oil (silicon oil) includes: a rod 12 to which a load is input from one end side; a piston 15 connected to the other end side of the rod 12; a head 16 that the rod 12 passes through; and a cylinder tube 11 forming an oil chamber 112 filled with the hydraulic oil between the rod 12 and the head 16. The piston 15 includes: an outer circumferential surface 115 facing the cylinder tube 11; a back surface abutted on the head 16 to regulate the movement of the rod 12; and an oil lead space 100 where a working pressure of the oil chamber 112 acts by an oil lead groove opened over the outer circumferential surface 115 and the back surface. The change of a pressure receiving area of the piston which receives the working pressure of the oil chamber 112 between the most extended state in which stroke is zero and a contraction operation state in which the stroke is not zero is suppressed, and force needed for starting the movement of the rod is suppressed.
摘要翻译：要解决的问题：提高用于从最大伸展状态进行收缩操作的液压阻尼器的阻尼器特性。解决方案：装有压缩液压油（硅油）的液压阻尼器1包括：输入负载的杆12 从一端; 连接到杆12的另一端侧的活塞15; 杆12通过的头部16; 以及形成在杆12和头部16之间填充有液压油的油室112的缸筒11.活塞15包括：面向缸筒11的外周面115; 后表面邻接头部16以调节杆12的移动; 以及油引导空间100，其中油室112的工作压力由在外周面115和背面开口的油引导槽作用。承受油室112的工作压力的活塞的压力接收面积在行程为零的最大延伸状态与行程不为零的收缩操作状态之间的变化被抑制，并且启动所需的力杆的移动被抑制。

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