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    Cam structure
    1.
    发明公开
    Cam structure 有权
    凸轮结构

    公开(公告)号：EP2789814A1

    公开(公告)日：2014-10-15

    申请号：EP14161828.0

    申请日：2014-03-26

    申请人： Mitsubishi Jidosha Kogyo K.K.

    发明人： Kido, Yusuke ,  Yoshihara, Akira ,  Oka, Toshihiko ,  Murata, Shinichi

    IPC分类号： F01L1/08 ,  F01L1/14 ,  F01M9/10 ,  F01L1/16 ,  F01L1/32

    CPC分类号： F01L1/08 ,  F01L1/14 ,  F01L1/143 ,  F01L1/16 ,  F01L1/32 ,  F01L2105/00 ,  F01M9/101 ,  F01M11/02

    摘要： A cam structure driving a tappet having a crowning on a top face and connected to a base end section of an intake or exhaust valve of an engine, includes: a camshaft rotating in synchronization with a crankshaft of the engine; a cam lobe mounted on the camshaft, and including: a base cam including:
    a base circular section having a mounting hole for the camshaft;
    and a valve lift section having a cut-out section in a tip end portion; and a roller provided in the cut-out section and having a cylindrical section with a constant diameter. A center section in a width direction of the base cam makes contact with the tappet at a position deviated from a center of the top face of the tappet, and the cylindrical section makes contact with the center of the top face of the tappet.