| 摘要 |
The present invention relates to a variable valve lifting device for an engine, which enables variation in a valve lift to be linear for variable efficiency to be relatively improved, and comprises: a cam installed in a cam shaft; a rocker arm wherein a guide groove is formed for a pivot shaft to be installed to be moved, which performs rotational motion as the pivot shaft is a rotational axis by rotational motion of the cam; a pivot bearing installed between the pivot shaft and the rocker arm; a valve connected to an end of the rocker arm; and a motor to transfer the shaft. |
