Valve lever assembly for piston combustion engines for changing valve timing of intake valve, has adjustable valve operating unit for working with cam shaft having two cams, and eccentric opening is provided

摘要

The valve lever assembly (5) has an adjustable valve operating unit for working with a cam shaft (4) having two cams (12,14). An eccentric opening is provided, where a valve lever (6) traverses in a rotatable manner, and a cross section is provided with a concave bearing section. An eccentric shaft is provided, which has a bearing area at a bearing part at the eccentric opening. The outer contour of eccentric shaft is aligned at the bearing section and has a guidance range, whose outer contour is aligned to a guidance section.