Device for opening and closing of valve of valve arrangement of internal combustion engine, and for adjusting stroke of valve, has working curve element with supporting unit provided for operating valve arrangement

摘要

The device (1) has a working curve element (27) with a supporting unit provided for operating a valve arrangement (28a) for opening and closing of a valve (30). The working curve element is provided around a cam shaft (2) in a pivoted manner. A defined rotary eccentric shaft (11) has an excenter (9) and is arranged parallel to the cam shaft. An independent claim is included for an internal combustion engine, which has roller levers or bucket tappet.