| 摘要 |
An internal combustion engine having a plurality of cylinders each comprising a first intake valve, a first intake passage connected to the corresponding cylinder via the first intake valve, a second intake valve, and a second intake passage connected to the corresponding cylinder via the second intake valve. A second throttle valve is provided for each second intake passage and opens when the load of the engine is increased beyond a predetermined level. A blind common connecting passage is provided, which has a plurality of branch passages each being open to the corresponding second intake passage located downstream of the corresponding second throttle valve. |
