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1. (WO2018164167) DAMPER

Pub. No.:    WO/2018/164167    International Application No.:    PCT/JP2018/008702
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Thu Mar 08 00:59:59 CET 2018
IPC: F16F 9/348
F16F 9/508
Applicants: HITACHI AUTOMOTIVE SYSTEMS, LTD.
日立オートモティブシステムズ株式会社
Inventors: YAMASHITA Mikio
山下 幹郎
Title: DAMPER
Abstract:
This damper is provided with: a cylinder filled with a working fluid; a piston slidably inserted into said cylinder; a piston rod connected to said piston; a disk valve provided to regulate the flow of the working fluid generated by the sliding of the piston and to close an opening part of a cylindrical case member; an annular seal member provided on at least one surface side of said disk valve; and a chamber partitioned by the disk valve and the seal member. Concave portions and convex portions are alternately formed on the disk valve.