| 摘要 |
PURPOSE:To prevent drop of the revolving speed and blowing-up by altering the damping characteristic of the increment at starting after attainment of No.2 setting value on the basis of the rate of rise of the number of revolutions in the period while the revolving speed after starting increases from No.1 setting value to No.2 setting value. CONSTITUTION:A control unit 100 is fed with sensing values from a throttle opening sensor 18, air flow meter 20, number-of-revolutions sensor 30, coolant temp. sensor 35, shift position sensor 37, external load sensor 39, etc. The control unit 100 makes starting increment of the suction air amount through a flow adjusting valve 19 installed on a bypass 15 in the period from cranking to the revolving speed at complete combustion and the target idling speed. The time for damping the starting increment is set in according to the time from the revolving speed at complete combustion to the target idling speed, and in this period, the degree of opening of the flow adjusting valve 19 is decreased.
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