To provide a hydraulic snubber including a stroke sensor which is not easily affected by temperature change.SOLUTION: A hydraulic snubber 20 includes: a damper tube 30 provided at a first support part 21; a cylinder 40 provided at the first support part 21 and located within the damper tube 30; a cylindrical rod guide part 50 extending from the first support part 21 into the cylinder 40; a piston rod 60 which extends from a second support part 22 into the cylinder 40, is supported in such a way so as to be movable forward and rearward in a direction of a center line CL of the rod guide part, and has a core part 91 formed by a conductor at a tip part 62; a piston 70 which is connected to the piston rod 60 and partitions an interior of the cylinder 40 into two chambers 43, 44; a gas chamber 66 defined in the rod guide part 50 by the piston rod 60; and a coil 102 provided at the gas chamber 66 so as to be able to detect a position of the core part 91 relative to the rod guide part 50 in the direction of the center line CL.SELECTED DRAWING: Figure 2

    【課題】温度変化の影響を受けにくいストロークセンサを備えた油圧緩衝器を提供する。【解決手段】油圧緩衝器20は、第1支持部21に設けられているダンパチューブ30と、第1支持部21に設けられて前記ダンパチューブ30の内部に位置しているシリンダ40と、第1支持部21から前記シリンダ40の内部へ向けて延びた円筒状のロッドガイド部50と、第2支持部22から前記シリンダ40の内部へ延びるとともに前記ロッドガイド部の中心線CLの方向に進退可能に支持され先端部62に導体の成るコア部91を有したピストンロッド60と、前記ピストンロッド60に連結され前記シリンダ40の内部を2室43,44に区画しているピストン70と、前記ピストンロッド60により前記ロッドガイド部50の内部に区画された気体室66と、前記ロッドガイド部50に対する前記コア部91の前記中心線CLの方向における位置を検出可能に前記気体室66に設けられたコイル102とを含む。【選択図】図2


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    Title :

    HYDRAULIC SNUBBER


    Additional title:

    油圧緩衝器


    Contributors:

    Publication date :

    2021-09-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16F SPRINGS , Federn / B62K Fahrräder , CYCLES



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