| 摘要 |
<p>PURPOSE:To display the induction effect of the safety of idling and the improvement of fuel consumption and the like in the case of low revolution and low load running and achieve the improvement of a torque at a low or middle revolution zone and high load running by controlling the open and close operation of solenoid valve by a control part in response to the running condition of an internal combustion engine. CONSTITUTION:A soleniod valve 24 which opens and closes an induction air passage 20 is arranged on the way of the induction air passage 20 in an induction air system and a control, part which controls the open and close operation of the solenoid valve 24 in response to the running condition of an internal combustion engine 2 is provided.</p> |
