Patent ID: 7469670

Claim:
An adjustable camshaft ( 1 ), for internal combustion engines in motor vehicles, in which two shafts ( 2 , 4 ), namely one inside shaft ( 4 ) and one outside shaft ( 2 ), each fixedly connected to cams, are rotatable in relation to one another, to create a relative movement a hydraulic regulating device ( 3 ) having a rotor ( 6 ) and a stator ( 5 ) is provided on one of the ends thereof and a chain/belt wheel ( 7 ) that is connected to a drive, in particular to a crankshaft, via a chain or a belt is also provided, the stator ( 5 ) is lockable with respect to the rotor ( 6 ) and in the mounted state of the camshaft ( 1 ) there is a connection of the stator ( 5 ) and of the rotor ( 6 ) each to the inside shaft ( 4 ) or the outside shaft ( 2 ), wherein the chain/belt wheel ( 7 ) is designed so that it is rotatable in relation to the regulating device ( 3 ) and thus in relation to the inside shaft ( 4 ) and the outside shaft ( 2 ) for aligning the camshaft ( 1 ) with respect to the drive, and after successful alignment it can be connected either to the inside shaft ( 4 ) or to the outside shaft ( 2 ) in a rotationally fixed manner.