| 摘要 |
PURPOSE:To simplify constitution of a device, by dividing plural fuel injection valves into two groups, injecting fuel alternately once a revolution from the injection valve in each group at low load operation while injecting the fuel simultaneously once in two revolutions from the valve in the both groups at high load operation. CONSTITUTION:When fuel injection valves 7-10, further provided to each cylinder of a 4-cylinder engine, are synchronously controlled with rotation of the engine, the injection valves are divided into two groups of the first and third cylinders 7, 9 and second and fourth cylinders 8, 10. Then the injection valves (7, 9), (8, 10) in each group are connected to a distributor 86, when the engine is low loaded, this distributor 86 is controlled to be selected at each time a solenoid valve driving pulse is fed from an output circuit 70. While at a high load of the engine, an intake air quantity Q becomes larger than a preset value to generate an output from a comparator 81, and gate circuits 82, 84 are selected to a lower side, in this way, the four solenoid valves 7-10 are controlled to inject fuel altogether one time in two revolutions. |
