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Variable-position valve actuator with variable-position cam system for combustion engine

机译:带有可变位置凸轮系统的内燃机可变位置气门执行器

摘要

The invention relates to a variable valve drive (22) for an internal combustion engine (10) with a first gas exchange valve, in particular exhaust valve (16), and a second gas exchange valve, in particular exhaust valve (16). The variable valve train (22) has a sliding cam system (26). The sliding cam system (26) has an axially displaceable cam carrier (34), which has only two cams for the first gas exchange valve, namely a first cam (40) and a second cam (42), and for the second gas exchange valve only two cams, namely, a third cam (44) and a fourth axially offset cams (46), on. The first cam (40), the second cam (42), the third cam (44) and the fourth cam (46) differ from a zero lift cam. The first cam (40) and the third cam (44) are identical. The second cam (42) and the fourth cam (46) are formed differently.
机译:本发明涉及一种用于内燃机(10)的可变气门传动装置(22),该可变气门传动装置具有第一气体交换阀,尤其是排气门(16)和第二气体交换阀,尤其是排气门(16)。可变气门机构(22)具有滑动凸轮系统(26)。滑动凸轮系统(26)具有可轴向移动的凸轮架(34),该凸轮架仅具有用于第一气体交换阀的两个凸轮,即第一凸轮(40)和第二凸轮(42),以及用于第二气体交换的两个凸轮。气门仅打开两个凸轮,即第三凸轮(44)和第四轴向偏移凸轮(46)。第一凸轮(40),第二凸轮(42),第三凸轮(44)和第四凸轮(46)不同于零升程凸轮。第一凸轮(40)和第三凸轮(44)相同。第二凸轮(42)和第四凸轮(46)形成为不同的形状。

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