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    • 11. 发明授权
    • Cooling structure of generator
    • 发电机冷却结构
    • US06710479B2
    • 2004-03-23
    • US10203108
    • 2002-08-06
    • Shiro YoshidaHiroshi Ogita
    • Shiro YoshidaHiroshi Ogita
    • H02K919
    • H02K9/04H02K1/20H02K5/20H02K9/19H02K9/20H02K2201/03
    • Cooling oil passes through a cooling oil passage (28) on the inside of an iron core (7), and cools the inside of the iron core (7). Further, cooling air passes through a cooling air passage (31) in the inside of the iron core (7) and a clearance (5) between the internal periphery of the iron core (7) and the external periphery of a rotor (4), and cools the inside of the iron core (7) and the rotor (4). Therefore, it is possible to effectively cool the internal periphery side of a stator (6) and the rotor (4). When a cooling oil is sprayed from the cooling oil passage (28) into the cooling air passage (31), it is possible to obtain a more effective cooling effect by utilizing the latent heat of vaporization of the mist of the cooling oil.
    • 冷却油通过铁芯(7)内侧的冷却油通路(28),并冷却铁芯(7)的内部。 此外,冷却空气通过铁芯(7)的内部的冷却风路(31)和铁芯(7)的内周与转子(4)的外周之间的间隙(5) 并且冷却铁芯(7)和转子(4)的内部。 因此,能够有效地冷却定子(6)和转子(4)的内周侧。 当将冷却油从冷却油路28喷入冷却风路31时,利用冷却油雾的潜热可以获得更有效的冷却效果。