| 摘要 |
PURPOSE: A continuously variable valve drive device is provided to increase the performance of engine and fuel efficiency by the installation of a roller on both ends of a first rocker arm and the installation of a movable cam on the bottom of a second rocker arm. CONSTITUTION: A continuously variable valve drive device comprises a cam-shaft(100), a first rocker arm(300), a first roller(320), a second roller(330), a second rocker arm, a valve tappet, and a valve. The cam-shaft is rotated by the drive force of the engine. The drive cam is integrated with the cam-shaft. The first rocker arm is coupled with the control shaft. The first roller is connected to one end of the first rocker arm. The second roller is coupled with the other end of the first rocker arm. The second rocker arm is coupled with the control shaft. The valve tappet is placed at the lower part of the second rocker arm. The valve is fixed to the retainer of the valve tappet. |
