| 摘要 |
PROBLEM TO BE SOLVED: To obtain a throttle control device that can efficiently perform an idling control and deal with a limp home mode by devising a control of two system throttles.SOLUTION: An intake control device of a multi-cylinder engine includes an interlocking mechanism for interlockingly operating a mechanical throttle operation system and an electrical throttle operation system. The interlocking mechanism has a mechanism for interlockingly operate mechanical throttle valves 21 in an open direction thereof by a rotational operation of electrical throttle valves 22 in an open direction thereof, while operating the rotational operation of the electrical throttle valves 22 in the open direction independently of the rotational operation of the mechanical throttle valves 21 in the open direction. The interlocking mechanism has a mechanism for holding the mechanical throttle valves 21 at an idling opening of the entire multi-cylinder engine in a state where the electrical throttle valves 22 are kept substantially fully closed. The electrical throttle control system follows a throttle opening of the mechanical throttle control system obtained by an opening sensor 34. |
