Patent ID: 8584634

Claim:
A camshaft assembly 40 for an internal combustion engine comprising: a hollow outer shaft 2 ; an inner shaft 4 received within the hollow outer shaft 2 ; at least one cam lobe 6 , 8 attached to the outer shaft 2 and at least one other cam lobe attached to the inner shaft 4 ; a phaser 42 mounted to the inner and outer shafts 2 , 4 ; a remote control valve 16 controlling the flow fluid to and from the phaser 42 , 32 through a plurality of passages 22 , 24 , 26 , 28 , 52 , 54 and the inner shaft 4 ; and an oil transfer sleeve 50 inserted within the inner shaft 4 and aligned with the phaser and the plurality of passages 52 , 54 in fluid communication with the remote valve 16 .