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    • 2. 发明授权
    • Cylinder head
    • 气缸盖
    • US06948463B2
    • 2005-09-27
    • US10473311
    • 2002-11-28
    • Karsten MischkerMichael HuebelUwe HammerVolker BeuchePeter LangStefan Reimer
    • Karsten MischkerMichael HuebelUwe HammerVolker BeuchePeter LangStefan Reimer
    • F01L9/02
    • F01L9/02
    • A cylinder head for a combustion cylinder of an internal combustion engine is provided, which has at least one inlet opening and at least one outlet opening, as well as gas exchange valves which are operable by electrohydraulic valve actuators, some of which gas exchange valves function as inlet valves to control the at least one inlet opening, and some of which gas exchange valves function as outlet valves to control the at least one outlet opening. For the purpose of producing a compact, complete module which, as a separate component, may be tested for reliability and may be installed into the engine block of the internal combustion engine without additional preassembly effort, the cylinder head is provided with at least one high pressure line for supplying fluid under high pressure and at least one recycling line for recycling fluid, which have coupling openings for the hydraulic coupling of the valve actuators, and also means for fastening the valve actuators are provided.
    • 提供了一种用于内燃机的燃烧气缸的气缸盖,其具有至少一个入口和至少一个出口,以及可由电动液压阀致动器操作的气体交换阀,其中一些气体交换阀起作用 作为用于控制至少一个入口开口的入口阀,并且其中一些气体交换阀用作出口阀以控制至少一个出口开口。 为了生产紧凑的完整的模块,作为单独的部件,可以对其进行可靠性测试,并且可以在没有额外的预先组装的情况下将其安装到内燃机的发动机缸体中,气缸盖具有至少一个高的 提供了用于在高压下供应流体的压力线和用于再循环流体的至少一个回收管线,其具有用于阀致动器的液压联接的联接开口以及用于紧固阀致动器的装置。
    • 6. 发明授权
    • Hydraulic valve actuator for actuating a gas-exchange valve
    • 用于致动气体交换阀的液压阀致动器
    • US07007642B2
    • 2006-03-07
    • US10493858
    • 2003-03-05
    • Udo DiehlUwe HammerKarsten Mischker
    • Udo DiehlUwe HammerKarsten Mischker
    • F01L9/02
    • F01L9/02
    • An hydraulic valve actuator for actuating a gas-exchange valve in a combustion cylinder of an internal combustion engine has an operating piston delimiting two pressure chambers, of which the lower pressure chamber acting in the valve-closing direction is permanently charged with fluid pressure via which an intake and return line can be charged by, or relieved of, fluid pressure. To brake the gas-exchange valve in the final phase of the closing procedure to reduce the set-down speed, the return line of the upper pressure chamber is split between two discharge openings, which are connected to one another and arranged in the housing with axial clearance, the upper discharge opening being coupled to a restrictor and the lower discharge opening being displaceable relative to the operating piston and disposed in its displacement path such that it may be closed thereby at a defined distance, prior to reaching its upper limit position.
    • 用于致动内燃机的燃烧气瓶中的气体交换阀的液压阀致动器具有限定两个压力室的操作活塞,其中以阀闭合方向作用的下压力室被永久地充满流体压力, 进气和返回管路可以通过或减轻流体压力来充电。 为了在关闭程序的最后阶段制动气体交换阀,以降低设定速度,上压室的回流管线分开在两个排放口之间,两个排放口彼此连接并布置在壳体内, 上部排出口联接到限流器,而下部排出口可相对于操作活塞移动并且设置在其移动路径中,使得其可以在达到其上限位置之前以限定的距离关闭。