Internal combustion engine

Details Internal combustion engine Internal combustion engine

F - Mech Eng,Light,Heat,Weapons

02

D

F02D 41/34 (2006.01) F01L 1/04 (2006.01) F01L 1/26 (2006.01) F01L 13/00 (2006.01) F02B 17/00 (2006.01) F02B 31/00 (2006.01) F02D 13/02 (2006.01) F02D 41/00 (2006.01) F02D 41/30 (2006.01) F02M 69/04 (2006.01) F02M 69/08 (2006.01) F02B 1/04 (2006.01)

Patent

CA 2048913

In an internal combustion engine comprising a valve operating system connected to a pair of intake valves and arranged to open one of the intake valves only in a very small amount such that the one intake valve is brought into its substantially inoperative state, in a suction stroke mainly in a low speed rotation region of the engine, a fuel injection valve capable of injecting fuel toward a pair of intake ports independently corresponding to the intake valves, and a control means for controlling the operation of the fuel injection valve, the control means is arranged to control the fuel injection valve with a fuel injection completion time determined within a suction stroke, when one of the intake valves is substantially inoperative state. This ensures that when one of the intake valves has been brought into its substantially inoperative state, the injection of fuel by the fuel injection valve can be completed when in the suction stroke. so that the injected fuel can been sequentially introduced into a combustion chamber in a condition of the other intake valve being open, thereby achieving an axially stratified air charge to provide an improved combustibility.

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