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    • 15. 发明授权
    • Sealing device for the driver member of a pneumatically operated driving
tool for fasteners
    • 用于紧固件的气动驱动工具的驱动件的密封装置
    • US5511714A
    • 1996-04-30
    • US153314
    • 1993-11-16
    • Joachim BauerKlaus AlbrechtRolf Krahmer
    • Joachim BauerKlaus AlbrechtRolf Krahmer
    • B25C1/04B25C5/13
    • B25C1/047
    • The present invention relates to a sealing device for the driver member of a pneumatically operated driving tool for fasteners. It comprises a working cylinder, a working piston slidably arranged in said working cylinder for movement between an upper and a lower dead center, a resilient stop member defining the lower dead center of the working piston movement, a driving member secured to said working piston and extending through an opening of said stop member, a control valve actuated by a trigger to alternatively connect a cylinder space above said working piston with a source of compressed air and to atmosphere, and a piston return space in communication with a cylinder space below said working piston. The device further comprises a mouth tool including a driving channel for guiding said driver member, a magazine opening into said driving channel, and a vent passage extending from the inner face of said stop member along said driving channel towards the forward end of said driver member, to vent the cylinder space below said working piston to atmosphere until the downwardly moving driver member closes off said passage. According to the invention the stop member comprises a recess facing said mouth tool, said recess sealingly receiving an extension portion of said mouth piece in a resiliently biased engagement between said recess and said extension portion. The sealing device provides for improvements with respect to the sealing as well as to venting function.
    • 本发明涉及用于紧固件的气动操作的驱动工具的驱动件的密封装置。 其包括工作缸,可滑动地布置在所述工作缸中用于在上下死点之间运动的工作活塞,限定工作活塞运动的下死点的弹性止挡构件,固定到所述工作活塞的驱动构件,以及 延伸通过所述止动构件的开口,由触发器致动的控制阀,以交替地将所述工作活塞上方的气缸空间与压缩空气源和大气连接;以及活塞返回空间,与所述工作 活塞。 该装置还包括一个口工具,其包括用于引导所述驱动件的驱动通道,一个到所述驱动通道中的料盒开口,以及从所述止动件的内表面沿着所述驱动通道延伸到所述驱动件的前端的通气通道 将所述工作活塞下面的气缸空间排出到大气中,直到向下移动的驱动器构件关闭所述通道。 根据本发明,止动构件包括面向所述口工具的凹部,所述凹部在所述凹部和所述延伸部分之间以弹性偏置的接合方式密封地容纳所述口部件的延伸部分。 密封装置提供了关于密封以及排气功能的改进。
    • 19. 发明申请
    • METHOD AND DEVICE FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE
    • 用于控制内燃机的方法和装置
    • US20090101109A1
    • 2009-04-23
    • US12254126
    • 2008-10-20
    • Joachim BauerRalf Koch
    • Joachim BauerRalf Koch
    • F02P5/04
    • F02P5/152F02P5/1527G01L23/225Y02T10/46
    • In a method and a device for controlling an internal combustion engine (1), the accuracy of the detection of knocking in an internal combustion engine (1) can be increased by determining a reference ignition advance angle for an actual operating point of the internal combustion engine (1) at which the efficiency of the engine is a maximum. An actual ignition advance angle at which the internal combustion engine (1) is to be operated at the actual operating point is determined. Signals from a knocking sensor (14) are detected, allowing conclusions to be drawn concerning a knocking event in a combustion chamber (30) of the internal combustion engine (1). To detect knocking, only the signal values which lie within a predetermined evaluating interval are used, wherein the position of the evaluating interval is determined depending on the difference between the reference ignition advance angle and the actual ignition advance angle.
    • 在用于控制内燃机(1)的方法和装置中,通过确定内燃机的实际工作点的基准点火提前角可以提高内燃机(1)的爆震检测精度 发动机(1),发动机效率最大。 确定内燃机(1)在实际工作点运行的实际点火提前角。 检测来自爆震传感器(14)的信号,可以得出关于内燃机(1)的燃烧室(30)中的爆震事件的结论。 为了检测爆震,仅使用位于预定评估间隔内的信号值,其中评估间隔的位置取决于参考点火提前角与实际点火提前角之差。