Patent ID: 8511267

Claim:
A variable valve device comprising: a drive shaft that rotates in synchronization with a crankshaft of an internal combustion engine; a drive cam provided on the drive shaft; a rocker cam pivotally supported on the drive shaft; an engine valve that is driven to open and close by the rocker cam; a rocker shaft disposed parallel to the drive shaft; a rocker arm pivotally supported on the rocker shaft; a first link that links the rocker arm and the drive cam; a second link that links the rocker aim and the rocker cam; and a rocker shaft position modifying section that modifies a position of the rocker shaft relative to the drive shaft to control an operating angle or a lift of the engine valve, wherein an opening timing of the engine valve, which is a time at which the engine valve starts to open, is retarded as the operating angle or lift of the engine valve increases.