Patent ID: 8161930
Filing Date: 2012-04-24
Classification: F01L,Y10T

Abstract:
1. A camshaft for a variable lift valve train of an internal combustion engine, comprising a carrier shaft and a cam part that is arranged locked in rotation and movable in an axial direction on the carrier shaft, the cam part includes a cam carrier and a sleeve, the cam carrier has a cam group of directly adjacent cams with different cam strokes and an adapter end on which the sleeve is mounted, and the sleeve has a setting groove formed as a groove that extends at least in some sections across an extent of the sleeve and that is used for specification of an axial setting groove track for an activation pin that moves the cam part on the carrier shaft, the setting groove is produced in the sleeve by non-metal-cutting shaping of sheet-metal material and has a tubular base body and collars attached to the base body on both ends, the outer casing of the base body is used as a base of the setting groove and insides of the collar are used as walls of the setting groove.