Patent Number: 6,308,673

Title: Enclosure chamber for a camshaft driving endless flexible member of an internal combustion engine

Abstract: In an internal combustion engine having a hydraulic valve characteristic control mechanism for altering phase of a cam driving a suction valve and an oil pressure control valve for controlling pressure of working oil supplied to the valve characteristic control mechanism, a chain chamber comprising a case formed by an engine main body and a cover closing the case. The oil pressure control valve is attached to the engine main body surrounded by a timing chain. In order to position the oil pressure control valve outside of the chain chamber, the cover has an opening for inserting the oil pressure control valve and the case has an attachment section around the oil pressure control valve to which a whole marginal edge of the opening is touched in liquid-tight and fixed.

Inventors: Kobayashi; Tosihiki (Wako, JP)

Assignee: Honda Giken Kogyo Kabushiki Kaisha

International Classification: F01L 1/053 (20060101); F01L 1/04 (20060101); F01L 1/02 (20060101); F01L 1/344 (20060101); F01L 1/26 (20060101); F01M 009/10 ()

Expiration Date: 10/30/2018