To provide a hydraulic shock absorber which can generate sufficient damping force when compressed and expanded.SOLUTION: A hydraulic shock absorber (30) includes: a first cylindrical body (46); a rod (73) which is provided within the first cylindrical body (46) in such a way so as to be relatively movable along an axis (CL); a piston (75) including a valve (75d) which is fixed to the rod (73) and closes when the rod (73) moves from one end (46a) of the first cylindrical body (46) to the other end (46b); a return passage (RP) which returns oil (Oi) pushed out from the first cylindrical body (46) by the piston (75) when the rod (73) moves to the one end (46a) of the first cylindrical body (46); and an accumulator (60) which accumulates the oil (Oi) when the rod (73) moves from the one end (46a) of the first cylindrical body (46) to the other end (46b).SELECTED DRAWING: Figure 4

    【課題】圧縮時及び伸長時の両方において十分な減衰力を発生させることのできる油圧緩衝装置を提供すること。【解決手段】油圧緩衝装置(30)は、第1の筒体(46)と、第1の筒体(46)の内部に軸線(CL)に沿って相対的に移動可能に設けられたロッド(73)と、ロッド(73)に固定されロッド(73)が第1の筒体(46)の一端(46a)から他端(46b)に向かって移動する際には閉じるバルブ(75b)を備えたピストン(75)と、ロッド(73)移動する際にピストン(75)によって第1の筒体(46)から押し出されたオイル(Oi)を第1の筒体(46)の一端(46a)に戻すリターン流路(RP)と、ロッド(73)が第1の筒体(46)の一端(46a)から他端(46b)に向かって移動する際にオイル(Oi)を蓄えるアキュムレータ(60)と、を有する。【選択図】図4


    Access

    Download


    Export, share and cite



    Title :

    HYDRAULIC SHOCK ABSORBER


    Additional title:

    油圧緩衝装置


    Contributors:

    Publication date :

    2020-07-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16F SPRINGS , Federn / B62K Fahrräder , CYCLES



    HYDRAULIC SHOCK ABSORBER

    MURAKAMI YOSUKE / MIWA KAZUHIRO / KUROIWA NAOYA | European Patent Office | 2019

    Free access

    HYDRAULIC SHOCK ABSORBER

    GONCHAROV ANDREJ VALEREVICH | European Patent Office | 2018

    Free access

    Hydraulic shock absorber

    INAGAKI YASUHIRO / HAGIDAIRA SHINICHI / KAMAKURA RYOUSUKE | European Patent Office | 2017

    Free access

    HYDRAULIC SHOCK ABSORBER

    SCHMIDT ROBERT KYLE / BAXTER MATTHEW | European Patent Office | 2016

    Free access

    HYDRAULIC SHOCK ABSORBER

    VERSTOEP JURGEN | European Patent Office | 2023

    Free access