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    • 2. 发明申请
    • METHOD FOR DETECTING CLUTCH CYLINDER LEAKAGE
    • 检测离合器缸体泄漏的方法
    • US20090205408A1
    • 2009-08-20
    • US12097547
    • 2005-12-15
    • Svante KarlssonLars KarlssonErik Lauri
    • Svante KarlssonLars KarlssonErik Lauri
    • G01M3/00
    • F16D25/088F16D25/12F16D48/02F16D2500/1028F16D2500/3026F16D2500/5108F16D2500/511
    • A method is provided for sensing leakage in a clutch cylinder system in a vehicle including an automated manual transmission, wherein the clutch cylinder system includes a clutch cylinder provided with a reciprocable piston, whose position is sensed by a position sensor and affected by pressurization of the cylinder by opening or closing at least one air inlet valve and by opening or closing at least one air outlet valve and wherein the clutch is in an engaged position when there is no air pressure in the cylinder. The method includes the steps of: a. closing the at least one inlet valve and at least one outlet valve for compressed air; b. sensing a position of the piston during a predetermined time span, and, c. if the position has changed more than a predetermined allowable position change, sending an error signal to an onboard diagnostics system or a signal light in the vehicle.
    • 提供了一种用于检测包括自动手动变速器的车辆中的离合器缸系统中的泄漏的方法,其中所述离合器缸系统包括设置有往复活塞的离合器缸,其位置由位置传感器感测并受到 通过打开或关闭至少一个空气入口阀并且通过打开或关闭至少一个空气出口阀,并且其中当气缸中没有空气压力时,离合器处于接合位置。 该方法包括以下步骤:a。 关闭所述至少一个入口阀和用于压缩空气的至少一个出口阀; b。 在预定时间范围内感测活塞的位置,以及c。 如果位置已经改变超过预定的可允许位置变化,则向车载诊断系统或车辆中的信号灯发送错误信号。