| 摘要 |
PURPOSE:To enable performing proper fuel injection even in case where the air-flow meter is put slantwise, etc. in such a way that factors to be used when computing the reference injection rate from the inhaled air rate of the output from an air-flow meter and the number of revolution in the engine are adopted as the functions of the inhaled air rate. CONSTITUTION:An electronic control circuit 38 which takes output signals in from an air-flow meter 12, a cooling water temperature sensor 16, and other detectors computes the reference injection time Tp through the inhaled air rate Q related to the output from the air-flow meter 12, and through the number of revolution N in the engine in compliance with the formula Tp=K.Q/N. Hereat, the factor K is assumed as the function of the inhaled air rate Q as shown by the actual line (A) on the graph in order to prevent the air-flow meter from errors due to the slant putting of the air-flow meter 12. Thus, errors when detecting the inhaled air rate from the air-flow meter are made possible to be compensated when computing the reference injection time Tp using the above formula. |
