Patent ID: 6308673
Filing Date: 2001-10-30
Classification: F01L,F02B

Abstract:
An enclosure chamber for a camshaft driving endless flexible member of an internal combustion engine having a camshaft for driving an engine valve, a hydraulic valve characteristic control mechanism for altering operational characteristic of the engine valve, a control valve for controlling pressure of operating oil supplied to the valve characteristic control mechanism, and the camshaft driving endless flexible member laid between the camshaft and a crankshaft to transmit torque of the crankshaft to the camshaft, wherein said enclosure chamber is formed by a case formed by an engine main body and a cover closing an opening face of said case tightly, said control valve is attached to said engine main body at a portion surrounded by said endless flexible member, said cover has an opening through which said control valve projects outside of said cover, and said case has an attachment section to which a periphery of said opening of the cover is touched tightly and fixed.