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    • 6. 发明申请
    • STARTER FOR INTERNAL COMBUSTION ENGINE
    • 内燃机起动器
    • WO2007141652A2
    • 2007-12-13
    • PCT/IB2007002077
    • 2007-04-19
    • TOYOTA MOTOR CO LTDSHIBA TOSHIMITSUASADA TOSHIAKIISHIKAWA MAKOTOSUZUKI TOMOAKISAKAI KAZUHITO
    • SHIBA TOSHIMITSUASADA TOSHIAKIISHIKAWA MAKOTOSUZUKI TOMOAKISAKAI KAZUHITO
    • F02N15/022F02N11/00F02N15/023F02N2250/08F16D1/072F16D1/076F16D41/06Y10T74/13Y10T74/134
    • A starter for an internal combustion engine includes a power transmission mechanism (60). The power transmission mechanism (60) has an outer race plate (20) fastened to a crankshaft (11), and a ring gear (30) coupled to a rotational shaft of an electric motor for starting the engine. The power transmission mechanism (60) further has a one-way clutch (50) for permitting torque transmission only from the ring gear (30) to the outer race plate (20), and two sealing members (61, 62). Lubricant is supplied from the cylinder block (12) to the interior of the power transmission mechanism (60) for lubricating the power transmission mechanism (60). The outer race plate (20) has a groove (22) on its contact surface (20a) of a contact portion between the crankshaft (11) and the outer race plate (20). The groove (22) extends in the entire circumferential direction of the crankshaft (11). This maintains the coupling strength between the outer race plate (20) and the crankshaft (11), while enhancing the sealing performance of the power transmission mechanism.
    • 内燃机起动器包括动力传递机构(60)。 动力传递机构(60)具有固定在曲轴(11)上的外座圈(20)和与用于起动发动机的电动机的旋转轴连接的环形齿轮(30)。 动力传递机构60还具有用于仅允许从环形齿轮(30)到外座圈(20)的扭矩传递的单向离合器(50)和两个密封构件(61,62)。 润滑剂从气缸体(12)供给到动力传递机构(60)的内部,用于润滑动力传递机构(60)。 外座圈板(20)在曲轴(11)与外座圈(20)之间的接触部分的接触表面(20a)上具有凹槽(22)。 所述槽(22)在曲轴(11)的整个圆周方向上延伸。 这保持了外座圈板(20)和曲轴(11)之间的联接强度,同时提高了动力传递机构的密封性能。