Patent ID: 6427659
Filing Date: 2002-08-06
Classification: F02B,F02D,F02F,F02M,F05C,Y02T

Abstract:
A cylinder injection type internal combustion engine, comprising:a combustion chamber into which air is sucked; intake and exhaust valves associated with said combustion chamber; a fuel injection valve for injecting fuel directly into said combustion chamber; and a piston for changing the volume of said combustion chamber, wherein two suction ports for sucking air in two air flows are formed at the upper part of said combustion chamber, and said fuel injection valve is installed between said two suction ports, the axis of said fuel injection valve is inclined toward a position under an ignition plug installed at the upper part of said combustion chamber, and the flow of said air in two air flows unite in one air flow under the exhaust valve whereby the one air flow returns on a side of the intake valve along a top face of said piston, flows upward under said fuel injection valve and then flows from under said fuel injection valve to a position under said ignition plug.