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    • 9. 发明申请
    • Air Motor and Electric Painting Device
    • 气动马达和电动喷涂装置
    • US20140217205A1
    • 2014-08-07
    • US13504397
    • 2011-11-28
    • Naoya KobayashiTsuyoshi NakamuraYuu Koiwa
    • Naoya KobayashiTsuyoshi NakamuraYuu Koiwa
    • F01D1/02B05B5/03
    • F01D1/026B05B3/002B05B5/03B05B5/0415F01D1/023F01D1/06
    • An air motor and an electric painting device improves driving efficiency, and includes a housing, a main shaft inserted inside of the housing, an impeller fixed concentrically with the main shaft to an inserted portion of the main shaft and having a plurality of turbine blades formed on the outer periphery, bearings for rotatably supporting the main shaft and the impeller, and a nozzle having a tubular or hole-shaped channel for ejecting compressed air to the respective turbine blades for rotating the impeller along the circumference. When M1=ve/a0 where ve denotes flow velocity of the compressed air in an entrance of the channel of the nozzle, and a0 denotes acoustic velocity, the length of the channel of the nozzle is set to a dimension of a calculated value or greater using a predetermined expression.
    • 气动马达和电喷涂装置提高驱动效率,并且包括壳体,插入壳体内部的主轴,与主轴同心地固定到主轴的插入部分的叶轮,并且形成有多个涡轮叶片 在外周上具有用于可旋转地支撑主轴和叶轮的轴承,以及具有用于将压缩空气喷射到各个涡轮机叶片以沿着圆周旋转叶轮的管状或孔形通道的喷嘴。 当M1 = ve / a0时,ve表示喷嘴通道入口处的压缩空气的流速,a0表示声速,喷嘴的通道长度设定为计算值以上的尺寸 使用预定表达式。