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    • 2. 发明申请
    • INTERNAL COMBUSTION ENGINE
    • 内燃机
    • US20100186706A1
    • 2010-07-29
    • US12644527
    • 2009-12-22
    • Nozumi OKADAKazuhiro IKEDA
    • Nozumi OKADAKazuhiro IKEDA
    • F02B75/06F01M1/02
    • F01M9/06F02B61/02F16F15/267
    • An internal combustion engine can comprise a crankcase, and a crankshaft rotatably supported in the crankcase. The crankshaft includes a drive sprocket attached thereto. A cam chain engages the drive sprocket, and a cam chain chamber houses at least a part of the drive sprocket and cam chain therein. The cam chain chamber is configured to pool oil in a lower portion thereof. A balancer is coupled to the crankshaft and is configured to be rotated by rotational power transmitted from the crankshaft. The balancer is also disposed within the cam chain chamber, and is configured to splash oil pooled in the cam chain chamber during the rotation thereof. The engine also comprises a wall portion disposed in the cam chain chamber. The wall portion is configured to cover an upper portion of the balancer, and is disposed adjacent to a periphery of the balancer.
    • 内燃机可以包括曲轴箱和可旋转地支撑在曲轴箱中的曲轴。 曲轴包括附接到其上的驱动链轮。 凸轮链与驱动链轮接合,并且凸轮链室容纳至少一部分驱动链轮和凸轮链。 凸轮链室构造成在其下部中集油。 平衡器联接到曲轴并且构造成通过从曲轴传递的旋转动力而旋转。 平衡器还设置在凸轮链室内,并且构造成在其旋转期间使在凸轮链室中汇集的油飞溅。 发动机还包括设置在凸轮链室中的壁部。 壁部构造成覆盖平衡器的上部,并且邻近平衡器的周边设置。