| 摘要 |
PROBLEM TO BE SOLVED: To surely implement management and control so that rotation is not over rotation of endurance limit in a variable displacement turbo.SOLUTION: In a control device of an engine with a turbo supercharger including a supercharger supercharging intake air by exhaust air from the engine, and having a movable flap disposed to adjust a supercharging pressure produced in an intake passage, a fuel injection amount to the engine is reduced to a prescribed amount when a rotational frequencies of a turbine and a compressor constituting the supercharger reach a first threshold value lower than endurance limit. On the other hand, when the rotational frequencies reach a second threshold value lower than the first threshold value, the fuel injection amount is reduced according to the rotational frequency for the part over the second threshold value. |
