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    • 1. 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。
    • 2. 发明授权
    • Control valve means
    • 控制阀装置
    • US5370037A
    • 1994-12-06
    • US153296
    • 1993-11-16
    • Joachim BauerKlaus AlbrechtRolf Krahmer
    • Joachim BauerKlaus AlbrechtRolf Krahmer
    • B25C1/04F01L15/00F15B15/17
    • B25C1/042
    • The present invention relates to a valve control apparatus for operating a working piston, comprising a main valve spool including a smaller piston face subjected to compressed air from a reservoir and a larger piston face facing a main control space, further comprising an auxiliary valve spool having a first effective area which can be connected by a trigger valve to atmosphere or to a compressed air reservoir to displace the main control spool into an open position, and having a second effective area which is connected to a piston stroke chamber for displacing the main valve spool into a closed position, wherein the auxiliary valve spool is returned when the pressure acting on its second effective area falls below a predetermined value, wherein this effective area is connected to a shift valve which communicates with atmosphere when the trigger is not actuated and which is closed when being actuated and wherein the trigger is provided to move a first length of travel and a second length of travel to actuate the shift valve, while the trigger valve is maintained to be activated, wherein the shift valve has a tappet which closes an outlet opening connecting the second effective area to atmosphere when the tappet is moved over an open position and wherein the tappet is moved beyond the open position when the trigger is moved a second length of travel, and wherein the tappet is biased towards the open position.
    • 本发明涉及一种用于操作工作活塞的阀门控制装置,该阀控制装置包括主阀阀芯,该主阀阀芯包括经受来自贮存器的压缩空气的较小活塞面和面向主控制空间的较大活塞面,还包括辅助阀阀芯, 第一有效区域,其可以通过触发阀连接到大气或压缩空气存储器以将主控制阀芯移位到打开位置,并且具有连接到活塞行程室的第二有效区域,用于使主阀 阀芯进入关闭位置,其中当作用在其第二有效区域上的压力下降到预定值以下时,辅助阀阀芯返回,其中该有效区域连接到当触发器未被致动时与大气连通的换挡阀,以及哪个 在被致动时关闭,并且其中提供所述触发器以移动第一行程长度和第二长度 在触发阀保持启动的同时启动换挡阀,其中当挺杆移动到打开位置时,换挡阀具有将连接第二有效区域与大气相连的出口开口的挺杆,其中, 当触发器移动第二长度的行程时,挺杆移动超过打开位置,并且其中挺杆偏向打开位置。
    • 9. 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。