Patent ID: 8245678

Claim:
A variable valve timing control apparatus of an internal combustion engine, comprising: a drive rotary member adapted to be driven in synchronization with rotation of an engine crankshaft; a driven rotary member which rotates and actuates an engine valve by a turning force transmitted from the drive rotary member; an electric motor which rotates with the drive rotary member and changes a rotational phase of the driven rotary member relative to the drive rotary member through a current application to a coil; a cover member which covers the electric motor with a clearance interposed therebetween; a bearing member which is installed between an outer periphery of the electric motor and an inner periphery of the cover member and defines a space portion between an end surface, in a rotation shaft direction, of the electric motor and an opposing inner end surface of the cover member, the bearing member rotatably supporting the electric motor with respect to the cover member; and a lubricating oil supplying mechanism which supplies lubricating oil to the space portion.