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(11) | EP 2 388 446 A8 |
(12) | CORRECTED EUROPEAN PATENT APPLICATION |
Note: Bibliography reflects the latest situation |
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(54) | Valve timing control apparatus |
(57) A valve timing control apparatus includes a driving-side rotating member (1), a driven-side
rotating member (2), a fluid pressure chamber (4) formed by the driving-side rotating
member and the driven-side rotating member and divided into a retarded angle chamber
(42) and an advanced angle chamber (41) by a parting portion (22), a fluid control
valve mechanism (8) controlling a supply and a discharge of an operation fluid to
and from the fluid pressure chamber, a lock mechanism (5) locking a relative rotational
phase of the driven-side rotating member relative to the driving-side rotating member
at a predetermined phase, a monitoring mechanism (6) monitoring a driving state of
an internal combustion engine (E), and a phase setting mechanism controlling the fluid
control valve mechanism to establish the predetermined phase in a case where the monitoring
mechanism detects a signal indicating a likelihood of a decrease of a number of rotations
of the internal combustion engine.
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