公开(公告)号：US20150102620A1

公开(公告)日：2015-04-16

申请号：US14508868

申请日：2014-10-07

Applicant: Piolax, Inc.

Inventor： Hiroaki ICHIOKA ,  Jun SAITO

IPC: F16F9/12 ,  B60N3/02

CPC classification number: F16F9/12 ,  B60N3/023 ,  F16F2230/30

Abstract: An embodiment provides a damper a damper including: a housing; a rotor; and a sealing member. The housing includes outer and inner cylinder portions to define a filling space portion therebetween for filling with a viscose fluid. The rotor includes a head portion and a cylinder portion extended downwardly therefrom so as to be inserted into the filling space portion. The sealing member seals the filling space portion. The rotor further includes axially-extending first and second groove portions provided on outer and inner peripheral surfaces of the cylinder portion near the bottom portion thereof. At least one of the first groove portions includes a communicating portion which communicates the inside and the outside of the rotor, and the second groove portion is apart from the communicating portion in a circumferential direction.

Abstract translation: 实施例提供一种阻尼器，其包括：壳体; 转子 和密封构件。 壳体包括外筒部分和内筒部分，以在其间限定填充空间部分，用于填充粘胶流体。 转子包括头部和从其向下延伸的筒部，以便插入到填充空间部分中。 密封构件密封填充空间部分。 转子还包括设置在靠近其底部的气缸部分的外周表面和内周表面上的轴向延伸的第一和第二凹槽部分。 所述第一槽部中的至少一个包括连通所述转子的内部和外部的连通部，所述第二槽部与所述连通部沿周向隔开。