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    • 2. 发明申请
    • CAM FOLLOWER FOR A VALVE GEAR IN AN INTERNAL COMBUSTION ENGINE
    • CAM福尔杰的气门传动内燃发动机
    • WO9853185A9
    • 1999-04-01
    • PCT/EP9802255
    • 1998-04-17
    • SCHAEFFLER WAELZLAGER OHGKUHL MARIOHUBER WILFRIED
    • KUHL MARIOHUBER WILFRIED
    • F01L1/14F01L13/00
    • F01L13/0036F01L1/143F01L2107/00
    • The invention relates to a cam follower (1) for a valve gear in an internal combustion engine, wherein said follower is designed to change over a gas exchange valve at different strokes. The inventive device consists of sections (3, 4) which can move in relation to each other and has displaceable coupling means (9) for coupling using servo-assisted pressure. In order to ensure reliable change-over of said coupling means (9) solely during the desired coupling phases, the coupling means (9) are fixed in their end positions by means of engaging or retaining means (15). Coupling of units (3, 4) via the coupling means (9) is only possible when the displacement force of the coupling means (9), induced by servo-assisted impingement, is greater than the engaging/retaining force of the engaging/retaining means (15).
    • 内燃发动机的气门驱动的凸轮从动件(1)被设计成被切换到不同的笔划用于气体交换阀。 它由相对可动部(3,4)和面向所述耦合端的,通过伺服压力装置可动联接装置(9)。 确保安全开关,所述开关装置(9)仅在所需的耦合相是固定的,这些连接装置通过在其端部位置中的一个锁定装置/保持装置(15)(9)。 只有当(9)引起的Servomittelbeaufschlagung耦合装置的位移力,齿槽力/保持闩锁装置的力超过/保持装置(15),所述单元的一个联接器(3,4)通过耦合装置(9)是可能的。