Patent ID: 8855893
Filing Date: 2014-10-07
Classification: F01L

Abstract:
1. A valve timing control apparatus for controlling valve timing of a valve that is opened or closed by a camshaft through torque transmitted from a crankshaft in an engine of a vehicle, the valve timing being controlled using working fluid supplied from a supply source in synchronization with a rotation of the engine, the valve timing control apparatus comprising: a housing that is rotatable with the crankshaft; a vane rotor that is rotatable with the camshaft, the vane rotor having vanes partitioning an inside of the housing into plural operation chambers in a rotating direction, the vane rotor having a rotation phase with respect to the housing, the rotation phase being changed by working fluid flowing into or out of the operation chambers; and a phase controller configured the engine in the low rotation state has a rotation speed lower than a predetermined rotation speed, and the engine in the high rotation state has a rotation speed equal to or higher than the predetermined rotation speed.