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    • 9. 发明专利
    • Cleaning aid
    • 清洁助剂
    • JP2004049299A
    • 2004-02-19
    • JP2002207273
    • 2002-07-16
    • N K G:Kk株式会社エヌケージー
    • OSUGI YASUHIRO
    • A47L9/02A47L7/02A47L9/04
    • PROBLEM TO BE SOLVED: To reduce ventilation noise caused by the rotation of an impeller without reducing the rotation force to be taken. SOLUTION: The cleaning aid is attached to a suction pipe of a vacuum cleaner for performing cleaning assisting operation by utilizing the rotation of the impeller with intake air. The impeller 4 supported inside a housing 1 is an open-type radial impeller with a plurality of slats 42 on one surface of a back plate 41, and communication grooves 51 for making a ventilation channel between slats 42 communicate in the peripheral direction are formed on a front plate 5 opposite to the open side edge part of each slat 42 with a gap in-between. Because of the communication grooves 51, ventilation air can flow forward/backward in the peripheral direction inside each ventilation channel. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了减少由叶轮的旋转而引起的通风噪音,而不会降低要采取的旋转力。 解决方案:清洁辅助装置连接到真空吸尘器的吸入管,用于通过利用进气的叶轮的旋转进行清洁辅助操作。 支撑在壳体1内的叶轮4是在背板41的一个表面上具有多个板条42的开式径向叶轮,并且在板条42之间形成通气通道的连通槽51在周向连通形成在 与每个板条42的开放侧边缘部分相对的前板5,其间具有间隙。 由于连通槽51,通风空气可以在每个通风通道内沿周向方向前进/后退。 版权所有(C)2004,JPO