Patent ID: 6443112
Filing Date: 2002-09-03
Classification: F01L,F02B

Abstract:
A valve timing adjusting apparatus of an internal combustion engine comprising:a housing, which is mounted on a camshaft of the internal combustion engine so as to be rotatable relative to the camshaft about a rotation axis, having a plurality of fluid chambers partitioned by shoes; a rotor, which is mounted on the camshaft, having a plurality of vanes respectively partitioning said fluid chambers into advancing chambers and retarding chambers; a lock pin mounted in said rotor for movement in a slide direction between a first engaged position and a second engaged position, the slide direction being parallel to the rotation axis of said housing; and a first engaging portion and a second engaging portion respectively formed on said housing at different positions of relative rotation of said rotor with respect to said housing, said first and said second engaging portions being spaced apart in the slide direction; wherein said rotor is selectively fixed at the different positions of relative rotation with respect to said housing by engaging said lock pin with said first and said second engaging portions, respectively.