Patent ID: 9109473
Filing Date: 2015-08-18
Classification: F01L

Abstract:
1. A valve-timing control apparatus for an internal combustion engine, comprising: a phase change mechanism configured to change a valve timing of an engine valve, the phase change mechanism including a cover member provided near a front end side of the phase change mechanism; slip rings provided to one of a front end portion of the phase change mechanism and a facing surface of the cover member which faces the front end portion of the phase change mechanism, the slip rings being configured to supply electric power to the electric motor; a pair of brushes provided to another of the front end portion of the phase change mechanism and the facing surface of the cover member to be axially slidable relative to the another of the front end portion of the phase change mechanism and the facing surface of the cover member, wherein the pair of brushes are configured to supply electric power to the electric motor by electrical contact with the slip rings; and a pair of pigtail harnesses each having a flexibility, wherein