发明名称 ELECTRIC VACUUM CLEANER
摘要 PROBLEM TO BE SOLVED: To provide a circulation type electric vacuum cleaner having improved dust collecting efficiency and reduced noise. SOLUTION: In this electric vacuum cleaner for which an intake flow passage A from a suction tool 28 through an extension pipe 27 and a hose 20 to a cleaner main body 1 and a reflux path B for making the exhaust of a motor-driven blower 12 inside the cleaner main body 1 flow back to the suction tool 28 are formed, an exhaust hole 23 for discharging a part of the exhaust of the reflux path B is formed at at least one of a connection part 21 to the cleaner main body 1 of the hose 20 or a hand operation part 22.
申请公布号 JP2001218713(A) 申请公布日期 2001.08.14
申请号 JP20000030126 申请日期 2000.02.08
申请人 SANYO ELECTRIC CO LTD 发明人 KOBAYASHI TOSHIZO;KANO HIROTAKA
分类号 A47L9/00;A47L5/14;A47L9/24;(IPC1-7):A47L9/24 主分类号 A47L9/00
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