BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be explained in greater detail in the following text on the basis of some embodiments and using the accompanying drawings, in which:
FIG. 1 shows a switchable valve timing mechanism element which is configured as a roller tappet and a nonswitchable valve timing mechanism element which is configured as a roller tappet, in each case having a reverse spring hydraulic valve play compensating element, in a longitudinal section,
FIG. 2 shows a cam of a camshaft having a ramp region, in a side view in section,
FIG. 3 shows a ramp velocity diagram, and
FIG. 4 shows a further ramp profile diagram.