VALVE SEAT MEMBER, VALVE AND SHOCK ABSORBER

• Main Authors: CHO YOSHI, MIWA MASAHIRO, YASUKOCHI NAOKI, OWA TAKAHIRO, MORI TAKUHITO, KIMIJIMA KAZUYUKI, ISHIMARU KENTA, SHII HISATO
• Format: Patent
• Language: English; Japanese
• Published: 17.10.2019
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; SHOCK-ABSORBERS; SPRINGS; THERMAL INSULATION IN GENERAL; WEAPONS

To provide a valve seat member which can prevent the generation of noise by preventing a tuck of contaminants, a valve and a shock absorber.SOLUTION: A valve seat member comprises: a first seat 7a on which the valve seat member of a piston or the like is arranged while separating from an opening of a port 2d; a second seat 7b connected to the first seat 7a at both ends, and surrounding the opening of the port 2d; an island part 8 being an interior area of a region surrounded by the first seat 7a and the second seat 7b, and arranged at the first seat 7a side rather than the opening of the port 2d with an airgap 80 between the first seat 7a and itself; and a passage 9 passing the island part 8, and making the port 2d and the airgap 80 communicate with each other.SELECTED DRAWING: Figure 5 【課題】 コンタミナントの挟み込みを防いで異音の発生を防止できるバルブシート部材、バルブ、及び緩衝器を提供する。【解決手段】 ピストン等のバルブシート部材がポート２ｄの開口と離間して配置される第一シート７ａと、両端が第一シート７ａに連結されてポート２ｄの開口を取り囲む第二シート７ｂと、第一シート７ａと第二シート７ｂとで囲まれる領域内であってポート２ｄの開口より第一シート７ａ側に、第一シート７ａと空隙８０をあけて配置される島部８と、島部８を通ってポート２ｄと空隙８０とを連通する通路９とを備える。【選択図】 図５