| 摘要 |
PURPOSE:To suppress the production of NOx in a method of feed back controlling to make fuel injection timing coincide with a desired one, by changing the injection timing gradually toward the desired value in the transient time. CONSTITUTION:Fuel injection timing is controlled to coincide with a desired value predetermined according to the running requirement of an engine. In such a method, the injection timing is set to the desired value immediately at the normal time. In the transient time detected from the change in the opening of an accelerator, the injection timing is changed gradually toward the desired value as shown by l2. The injection timing thus remains at the lagging angle side relatively under the condition of starting acceleration. Thus, the production of NOx can be suppressed. |
