| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve timing control device of an internal combustion engine capable of avoiding strong contact of a coil spring with a recessed part opening part, without shallowing the depth of a recessed part. SOLUTION: This valve timing control device has an ignition timing delay oil chamber 600 and an ignition timing advance oil chamber 500 formed of a vane 210 of a vane rotor 20, a coil spring 300 arranged in the ignition timing advance oil chamber 500 and operating energizing force in the mutually separating direction of a shoe 110 and a first vane 210, and coil spring holding parts 111 and 211 for holding the coil spring 300 arranged in the shoe 110 and the first vane 210. An opening edge part on the bending side of the coil spring 300, is cut out by the movement of the vane rotor 20 to a housing 10. COPYRIGHT: (C)2006,JPO&NCIPI
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