| 摘要 |
An engine rpm control method for controlling the quantity of supplementary air being supplied to an internal combustion engine equipped with a plurality of electrical devices, in a manner responsive to the operating conditions of the engine. During the rpm control of the engine, simultaneously with the application of an electrical load on the engine, the quantity of supplementary air is increased by a predetermined amount. Such a predetermined amount is provided for each of the electrical devices and previously set at a value corresponding to the magnitude of a corresponding one of the electrical devices. When two or more electrical loads are applied on the engine at the same time, the amount of increase in the supplementary air quantity is determined by the sum of as many predetermined amounts corresponding to the respective electrical loads applied. The aforesaid operating conditions of the engine include idling rpm feedback control mode operation, deceleration with the throttle valve fully closed wherein the engine rpm drops toward the feedback controlling rpm region, and acceleration with the throttle valve opened wherein the engine rpm increases from the feedback controlling rpm region.
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