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    • 1. 发明申请
    • Vacuum cleaner
    • 吸尘器
    • US20070151072A1
    • 2007-07-05
    • US11475965
    • 2006-06-28
    • Jea LeeJae JooJun LeeTae YoonSeung Hong
    • Jea LeeJae JooJun LeeTae YoonSeung Hong
    • A47L9/16
    • F04D29/665A47L9/0081A47L9/22
    • A vacuum cleaner having a discharge flow path, which reduces noise generated due to resistance of the flow path, and by a motor. The vacuum cleaner includes a body, a blower fan unit including a blower fan and a motor to generate suction force in the body, an inner case surrounding the blower fan unit and having an inner flow path formed therein, an outer case surrounding the inner case, and a discharge flow path formed between the inner case and the outer case to communicate with the inner flow path. The discharge flow path including a circulation flow path branched from the inner flow path to guide air discharged from the blower fan unit, and a bent flow path branched from the inner flow path to guide the air discharged from the blower fan unit, the air is thereby bent a number of times in the bent flow path.
    • 具有排气流路的真空吸尘器,其减小由于流动路径的阻力而产生的噪音,以及电动机。 真空吸尘器包括主体,鼓风扇单元,其包括鼓风机风扇和电动机,以在主体中产生吸力;围绕鼓风机单元并具有形成在其中的内部流路的内壳;围绕内壳的外壳 以及形成在内壳体和外壳体之间以与内部流路连通的排出流路。 所述排出流路包括从所述内部流路向从所述鼓风机单元排出的引导空气分支的循环流路,以及从所述内部流路分支以引导从所述鼓风机单元排出的空气的弯曲流路, 从而在弯曲流动路径中弯曲多次。