| 摘要 |
A valve timing control apparatus is provided having a locking mechanism that can minimize the accumulation of foreign material in a concave engagement part, can minimize the penetration of foreign material to the sliding parts of a locking member, and can reduce the sliding resistance of the locking member. A locking mechanism (5) is provided with a sliding groove (52) provided to an outer rotor (2); a locking member (53) capable of sliding along the sliding groove (52); and a concave engagement part (51) that is provided to the inner rotor (3), is formed to be capable of engaging with the locking member (53) in a state in which the phase of relative rotation is a lock phase, and has an inlet port (58) capable of introducing hydraulic fluid. Flow channels (57) for hydraulic fluid are provided to at least one of the sliding groove (52) and the locking member (53), are formed along the sliding direction of the locking member (53), and are communicatingly connected to the concave engagement part (51).
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