Patent ID: 8336519

Claim:
An intake system of an engine, comprising: first intake passages and second intake passages that are collaterally disposed to the engine; a first shaft and a second shaft that are collaterally disposed along the first intake passages and the second intake passages respectively; first flaps and second flaps that are mounted on the first shaft and the second shaft so as to open or close the first intake passages and the second intake passages respectively; an inter-lever, of which a first end portion is pivotally and eccentrically connected to the first shaft and a second end portion is pivotally and eccentrically connected to the second shaft, and through which a rotation of the first shaft is transferred to the second shaft; and a driving portion connected to the first shaft and rotating the first shaft to have the first flaps and the second flaps open or close the first intake passages and the second intake passages respectively, wherein the first end portion of the inter-lever is pivotally and eccentrically connected to a portion of the first shaft between the first flaps and the second end portion of the inter-lever is pivotally and eccentrically connected to one of the second flaps.