Patent ID: 7934478

Claim:
Camshaft adjuster for an internal combustion engine for maintaining and adjusting a relative angle position between a drive element and a driven element the camshaft adjuster comprising a gear drive connecting the drive element and the driven element and a lubrication circuit for lubrication of a functional surface of the gear drive, a lubricating point of the gear drive or a bearing point in a housing of the camshaft adjuster, the lubricant circuit feeds lubricant to the camshaft adjuster via a supply channel, which communicates with a receiving channel of the camshaft adjuster, and the receiving channel can move relative to the supply channel, and a transfer cross section between the supply channel and the receiving channel of the camshaft adjuster or the camshaft is formed in at least one rotational angle range, while the transfer cross section is closed in other rotational angle ranges.