| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a bypass passage form being blocked by water by a simple constitution. <P>SOLUTION: In a device connecting an air cleaner 3 and a downstream side of a throttle valve 7 of a throttle body 5 put in an intake passage 6 by a bypass passage 21, and controlling an air supply quantity during idling operation by an idling speed control device 10 provided in a middle of the passage, a throttle body 5 side connection end of the bypass passage 21 is put at a position higher than an air cleaner 3 side connection end, and the bypass passage 21 is formed to have a descent gradient toward the air cleaner 3 side. <P>COPYRIGHT: (C)2009,JPO&INPIT |
