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    • 6. 发明公开
    • Engine and straddle-type vehicle including the same
    • 电机和电机马达ausgestatteterGrätschsitzfahrzeug
    • EP2868879A1
    • 2015-05-06
    • EP14188495.7
    • 2014-10-10
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Isechi, Tetsuji
    • F01M13/04F16H57/04
    • F01M13/04F16H57/027F16H2057/0203F16H2057/02065
    • An engine 40 includes a breather device 20 and an oil passage defining member 30 disposed in the breather device 20. The breather device 20 includes a breather main body 22 integral with a crankcase 50, and a breather cover 24. The breather main body 22 and the breather cover 24 define an enclosed space 26 in communication with an inner space of the crankcase 50. The oil passage defining member 30 includes a first member 32 integral with the crankcase 50, and a second member 34. The first and second members 32 and 34 define an oil passage 38. The crankcase 50 includes a transmission chamber 60 in which a main shaft 72 and a drive shaft 74 are disposed, and oil feed holes 82A to 82C through which the oil passage 38 and the transmission chamber 60 are in communication with each other.
    • 发动机40包括通气装置20和设置在通气装置20中的油通道限定构件30.通气装置20包括与曲轴箱50一体的通气主体22和通气罩24.通气主体22和 通气盖24限定与曲轴箱50的内部空间连通的封闭空间26.油通道限定构件30包括与曲轴箱50成一体的第一构件32和第二构件34.第一和第二构件32和 34表示油路38.曲轴箱50包括设置有主轴72和驱动轴74的传动室60以及油路38和传动室60连通的供油孔82A〜82C 与对方