MECHANICALLY CONTROLLABLE VALVE DRIVE
    6.
    发明申请

    公开(公告)号:US20170198614A1

    公开(公告)日:2017-07-13

    申请号:US15320753

    申请日:2015-04-30

    申请人: PIERBURG GMBH

    IPC分类号: F01L13/00 F01L1/047 F01L1/18

    摘要: A valve drive includes a transfer arrangement with an intermediate lever arrangement having a first roller element and an intermediate lever, and a drag lever arrangement having a drag lever. The first roller element is connected to a circumferential contour of a camshaft. The intermediate lever includes a second roller element and a working curve connected to the drag lever. A slotted guide is provided for the intermediate lever arrangement which is engaged by a guide roller element. A torsion spring element with first and second ends engages the intermediate lever arrangement. The first end rests on the cylinder housing portion. The second end acts on a counter bearing rigidly connected with the intermediate lever. The first and second roller element axes are arranged to introduce a force into the intermediate lever which presses the guide roller element against the slotted guide and the first roller element against the camshaft.

    Mechanically controllable valve-train assembly
    10.
    发明授权
    Mechanically controllable valve-train assembly 有权
    机械可控阀门组件

    公开(公告)号:US09074495B2

    公开(公告)日:2015-07-07

    申请号:US13980575

    申请日:2012-01-13

    摘要: A mechanically controllable valve-train assembly includes a plurality of gas exchange valves, at least two cylinders assigned to each of the gas exchange valves, and valve-lift adjusting devices which each comprise a rotatable eccentric shaft. The eccentric shaft comprises at least one cam element and circumferential control surfaces which comprise at least one eccentric member. The eccentric shaft is driven by a drive device to set various valve-lift positions. A transmission assembly assigned to each of the gas exchange valves is mounted in a cylinder head via a bearing device so as to be movable and is operatively connected to one of the valve-lift adjusting devices and to a camshaft. The at least one cam element is operatively connected to a spring-loaded tappet element and is arranged outside the circumferential control surfaces and at a level of a zero-lift position of the circumferential control surfaces.

    摘要翻译: 机械可控的气门机构组件包括多个气体交换阀,分配给每个气体交换阀的至少两个气缸和各自包括可旋转的偏心轴的气门升程调节装置。 偏心轴包括至少一个凸轮元件和包括至少一个偏心构件的周向控制表面。 偏心轴由驱动装置驱动以设定各种气门升程位置。 分配给每个气体交换阀的传动组件经由轴承装置安装在气缸盖中,以便可移动并且可操作地连接到气门升程调节装置中的一个和凸轮轴。 所述至少一个凸轮元件可操作地连接到弹簧加载的挺杆元件,并且布置在所述周向控制表面的外部并且在所述周向控制表面的零提升位置的水平处。