公开(公告)号：EP1707765A4

公开(公告)日：2008-12-17

申请号：EP04807439

申请日：2004-12-21

申请人： HONDA MOTOR CO LTD

发明人： FUJII NORIAKI ,  YONEKAWA AKIYUKI ,  FUJIMOTO TOMOYA ,  NAKAMURA KATSUNORI ,  YOSHIDA KEIKO

IPC分类号： F01L13/00 ,  F01L1/18 ,  F01L1/26

CPC分类号： F01L13/0015 ,  F01L1/18 ,  F01L1/267 ,  F01L13/0021 ,  F01L2820/032 ,  Y10T74/20882 ,  Y10T74/2107

摘要： A variable valve lift device of an internal combustion engine, wherein a first link rocker arm (58) rotatably pivoted at the fixed position of an engine body is rotatably connected to a rocker arm (31). A movable pivot shaft (60) rotatably pivoting the other end part of a second link arm (59) having one end part rotatably connected to the rocker arm (31) comprises crank webs (61a) holding the second link arm (59) from both sides and connection parts (61c) integrally connecting both crank webs (61a) to each other at positions where the interference thereof with the second link arm (59) can be avoided, and is connected to a crank member (61) formed in a crank shape so that the crank member (61) can be drivingly rotated by a drive means. Thus, the lift amount of an engine valve can be steplessly varied, the torsional rigidity of the crank member can be secured while securing the assembling workability of the second link arm to the crank member, and the size of the device can be reduced.