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    • 1. 发明申请
    • INTERNAL COMBUSTION ENGINE
    • 内燃机
    • WO2014064523A1
    • 2014-05-01
    • PCT/IB2013/002542
    • 2013-10-17
    • TOYOTA JIDOSHA KABUSHIKI KAISHASAKATA, Kunihiko
    • SAKATA, Kunihiko
    • F16F15/26
    • F16F15/267F02B75/06F02F7/0046F16F15/264
    • In an engine (internal combustion engine) (100), a crankcase (12) is provided with a fastening area (120d) that surrounds the opening (12b) and contacts the oil pan (13), a balance shaft housing (33) is disposed in the crankcase (12) to surround the opening (12b), and four housing side fastening sections (12a) are provided to the crankcase (12) to fasten the crankcase (12) and the balance shaft housing (33). The fastening section (12a) of the four housing side fastening sections (12a) in a first axial direction side of a balance shaft is disposed on the inside of the fastening area (120d), and the fastening section (12a) of the four housing side fastening sections (12a) in a second axial direction side of the balance shaft is disposed on the outside of the fastening area (120d).
    • 在发动机(内燃机)(100)中,曲轴箱(12)设置有围绕开口(12b)并与油盘(13)接触的紧固区域(120d),平衡轴壳体 设置在所述曲轴箱(12)中以围绕所述开口(12b),并且在所述曲轴箱(12)上设置有四个壳体侧紧固部(12a),以紧固所述曲轴箱(12)和所述平衡轴壳体(33)。 平衡轴的第一轴向方向上的四个壳体侧紧固部分(12a)的紧固部分(12a)设置在紧固区域(120d)的内侧,并且四个壳体 在平衡轴的第二轴向侧的侧紧固部(12a)设置在紧固区域(120d)的外侧。