Patent ID: 9046011
Filing Date: 2015-06-02
Classification: F01L,Y10T

Abstract:
1. A cam element ( 17 ) for a valve drive train device of an internal combustion engine having at least one cam structure ( 10 ) that comprises at least two partial cams ( 11 , 12 ) which are situated next to one another and have a shared base circle phase in at least one camshaft angular range ( 13 ) provided for valve lift switching by displacing the axial position of the cam structure ( 10 ) with respect to a cam follower from one of the partial cams ( 11 , 12 ) to another of the partial cams ( 11 , 12 ), the partial cams ( 11 , 12 ) being disposed on the cam element ( 17 ) in an angularly-displaced but, in an axial view, overlapping arrangement, with an undercut ( 14 ) being formed between adjacent partial cams ( 11 , 12 ), the undercut ( 14 ) having a manufacturing axis ( 15 ) which is offset relative to a rotational axis ( 16 ) of the cam element ( 17 ).