发明名称 Vacuum cleaner having suction/exhaustion switch
摘要 A vacuum cleaner includes a body having a suction motor for generating a suction force, a filter for filtering dust sucked in by the suction motor, and an outlet for exhausting air which has been filtered by the filter. A suction head is provided at one side of the body for sucking dust and a suction/exhaustion switch is installed between the body and the suction head. The suction head includes a channel switching valve assembly installed at a lateral surface of the body, a head side suction hose connected between the channel switching valve assembly and the suction head and a body side suction hose connecting the body and the channel switching valve assembly. A suction/exhaustion hose is connected to the channel switching valve assembly for exhausting a part of the exhaustion air exhausted through the outlet to the outside of the body or for sucking dust through the channel switching valve assembly.
申请公布号 US7213297(B2) 申请公布日期 2007.05.08
申请号 US20030739331 申请日期 2003.12.19
申请人 LG ELECTRONICS INC. 发明人 NAM HYEUN-SIK;LEE YOUNG-WOO
分类号 A47L5/14;A47L9/00;A47L5/00;A47L5/12;A47L5/32;A47L9/02;A47L9/08;A47L9/24 主分类号 A47L5/14
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