Patent ID: 7891328

Claim:
A lubricating system for a valve operating system, comprising: a valve operating system configured to reciprocate a valve for substantially opening and closing a port connected to a combustion chamber of an engine; and an ejecting device in which a lubricating liquid for lubricating the valve operating system flows, the ejecting device being provided with an outlet from which the lubricating liquid is ejected, wherein the valve operating system includes: a drive cam configured to operate in association with rotation of a crankshaft of the engine; a driven member configured to contact the drive cam; a pivot member which is attached to the driven member and is configured to transmit movement of the driven member to the valve; and a relative position changing device configured to change relative positions of the driven member and the pivot member; wherein the outlet of the ejecting device is oriented to face sliding surfaces of the driven member and the drive cam at least in a period which is a part of one rotation of the drive cam.