Hydraulically-actuated fail-safe stroke-limiting piston
    22.
    发明授权
    Hydraulically-actuated fail-safe stroke-limiting piston 失效
    液压致动故障保护行程限制活塞

    公开(公告)号:US06273057B1

    公开(公告)日:2001-08-14

    申请号:US09377598

    申请日:1999-08-19

    IPC分类号: F02D1304

    摘要: An apparatus for limiting the travel of a slave piston (110) in a slave piston cylinder (100) in a compression release engine brake is disclosed. The apparatus provides stroke-limiting means and independent lash adjustment means which may be installed in a common rail, variable valve actuation system. The independent lash adjustment means comprises a sleeve (300) around the slave piston (110), threadably mounted in the brake housing (40). The stroke-limiting means comprises a slave piston (110) in a slave piston cylinder (100), a trigger valve (90) and a hydraulic circuit connected thereto. The slave piston stroke is limited when a lower flow port (130) in the slave piston cylinder (100) is opened to drain (81) slightly before high-pressure flow is cut off through an upper flow port (120) in the slave piston cylinder (100).

    摘要翻译: 公开了一种用于限制从动活塞(110)在压缩释放发动机制动器中的从动活塞气缸(100)中行进的装置。 该装置提供行程限制装置和独立的间隙调节装置,其可以安装在共轨,可变气门致动系统中。 独立的间隙调节装置包括围绕从动活塞(110)的套筒(300),螺纹安装在制动器壳体(40)中。 行程限制装置包括从动活塞气缸(100)中的从动活塞(110),触发阀(90)和与其连接的液压回路。 当从动活塞缸(100)中的下流动端口(130)打开以稍微流出(81)以在高压流动通过从动活塞中的上流动端口(120)被切断之前,从动活塞冲程受到限制 气缸(100)。