INTERNAL COMBUSTION ENGINE

摘要

An internal combustion engine includes a fuel activation chamber (3) disposed near a main combustion chamber (2) and a valve (13) disposed between the fuel activation chamber and the main combustion chamber to open and close therebetween. The valve is opened by movement of a valve body (10) thereof to the fuel activation chamber. Further, there is provided a valve control device which controls to open and close the valve at the ignition timing in a low speed operation and controls to maintain the valve open in a medium and high speed operation.