公开(公告)号：US10295008B2

公开(公告)日：2019-05-21

申请号：US15230899

申请日：2016-08-08

Applicant: Showa Corporation

Inventor： Gota Nakano

IPC: F16F9/34 ,  B60G13/08 ,  F16F9/19 ,  F16F9/18

Abstract: A pressure damping device includes a cylinder, a partitioning section, a flow channel formation section, a valve section a bypass channel and a throttle section. The flow channel formation section forms a flow channel, through which the fluid flows, in conjunction with a movement of the partitioning section. The valve section controls a flow of the fluid in the flow channel of the flow channel formation section. The bypass channel forms a flow of the fluid that bypasses the flow of the fluid flowing through the flow channel while opening the valve section. The throttle section that throttles the flow of the fluid through the bypass channel further on an outer side than the valve section with respect to the flow channel formation section.

公开(公告)号：US10030735B2

公开(公告)日：2018-07-24

申请号：US14866353

申请日：2015-09-25

Applicant: Showa Corporation

Inventor： Gota Nakano ,  Takashi Tsukahara

IPC: F16F9/18 ,  B60G13/08 ,  F16F9/34 ,  F16F9/32

Abstract: A hydraulic damping device includes a cylinder 11, a cylinder 12, a piston 30 that partitions a space in the cylinder 11, a piston rod 20 that is connected to the piston 30, a bottom valve 40 that separates the interior of the cylinder 11 from a reservoir chamber R and has a communication passage of a liquid between the interior of the cylinder 11 and the reservoir chamber R, and a check valve mechanism 50 that is disposed in a radial direction of an area where movement of the piston 30 in the cylinder 11 is restricted or an area extended axially on an outer side of the cylinder 11, and permits a flow in one direction between the interior of the cylinder 11 and the reservoir chamber R caused by the movement of the piston 30 and restricts the flow in the other direction.