Patent ID: 8544429
Filing Date: 2013-10-01
Classification: F01L

Abstract:
1. A valve control apparatus for an internal combustion engine, comprising: a variable mechanism configured to vary operating states of two intake valves by varying a swing range of a single swing cam, the single swing cam being swingably supported by a shaft, the two intake valves being provided on one cylinder; a primary swing arm configured to: i) receive a swinging force from the single swing cam by coming into contact with the single swing cam, and ii) open and close one of the two intake valves, within a contact range between the single swing cam and the primary swing arm relative to an axial direction of the shaft; a secondary swing arm configured to open and close another of the two intake valves by a swing motion of the secondary swing arm; and a connection changeover mechanism configured to connect the primary swing arm with the secondary swing arm or disconnect the primary swing arm from the secondary swing arm in accordance with an operating state of the internal combustion engine, wherein