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    • 10. 发明申请
    • In-Line Four Cylinder Engine for Vehicle and Vehicle Provided With the Engine
    • 车载发动机配套的四缸发动机
    • US20080257296A1
    • 2008-10-23
    • US10585806
    • 2005-01-12
    • Kengo NishiMasao Furusawa
    • Kengo NishiMasao Furusawa
    • F02B75/06
    • F16F15/264F16F15/24F16F15/283Y10T74/2117Y10T74/2183Y10T74/2184
    • [PROBLEMS] To enhance freedom in designing an engine, improve acceleration feeling, provide extremely excellent driving feeling, and enable an engine to be more compact. [MEANS FOR SOLVING PROBLEMS] An in-line four-cylinder engine for a vehicle has a two-plane 90° crankshaft (3). The weight of a crank web for each cylinder is distributed to left and right web half bodies (21a,b-24a,b) to satisfy the expression of (KL−0.25)(0.25−KR)=DR/DL, where KL and KR are balance ratios of web half bodies of each cylinder (where KL≠0.25, KR≠0.25), and DL and DR are the distances from the center in the longitudinal direction of the crankshaft to each crank web half body. This causes the vector locus of first moment of inertia to be substantially a circle to cancel the first moment of inertia by a primary balancer (6).
    • [问题]为了增强发动机设计的自由度,提高加速感,提供非常优秀的驾驶感觉,并且能够使发动机更紧凑。 用于解决问题的手段一种用于车辆的在线四缸发动机具有双平面90°曲轴(3)。 每个气缸的曲柄腹板的重量被分配到左和右腹板半体(21a,b-24a,b),以满足(K≤L.25)(0.25- 其中,K L和K R R N / N L >是每个气缸的腹板半体的平衡比(其中K <0.25,K 0.25>)和D < D&lt; R&gt;是从曲轴的纵向方向的中心到各曲柄腹板半体的距离。 这使得第一惯性矩的矢量轨迹基本上是圆,以消除主平衡器(6)的第一转动惯量。