To provide a check valve which can achieve further improvement of sealability and durability and used in a passage having a large flow volume, and to provide a brake system.SOLUTION: A check valve 50 is disposed in a passage in which a working fluid flows. The check valve 50 includes: a cap 51 fixed to the passage; a plug 52 which is seated on a flat seating surface 114 provided at the passage; and a spring 53 which is disposed between the cap 51 and the plug 52 and biases the plug 52 to the seating surface 114. In the plug 52, a bearing surface facing the seating surface 114 is formed into a flat shape. The bearing surface is provided with a seal member 52d which contacts with the seating surface 114.SELECTED DRAWING: Figure 8

    【課題】シール性や耐久性の更なる向上を図ることができるとともに、大流量の流路に対応したチェックバルブおよびブレーキシステムを提供する。【解決手段】作動液が通流する流路に配置されるチェックバルブ50である。チェックバルブ50は、流路に固定されるキャップ51と、流路に設けられた平らな着座面114に着座するプラグ52と、キャップ51とプラグ52との間に介設され、プラグ52を着座面114に向けて付勢するスプリング53と、を備える。プラグ52は、着座面114に対向する座面が平らに形成されている。座面には、着座面114に当接するシール部材52dが設けられている。【選択図】図8


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    Title :

    CHECK VALVE AND BRAKE SYSTEM


    Additional title:

    チェックバルブおよびブレーキシステム


    Contributors:

    Publication date :

    2021-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16K VALVES , Ventile / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16J Kolben , PISTONS



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