发明名称 VACUUM CLEANER
摘要 PROBLEM TO BE SOLVED: To provide a vacuum cleaner capable of reducing operation noise.SOLUTION: A vacuum cleaner S includes: a cleaner body 1 having a body intake port 11 for sucking air containing dust and an electric blower 14 for generating suction force; a removable dust collection device 10 arranged between the body intake port 11 and the electric blower 14; and a duct 21 which is arranged between the dust collection device 10 and the electric blower 14 and where a flow passage 21w is formed, that connects an upstream opening 21i to which exhaust air from the dust collection device 10 flows in to an intake port 16s of the electric blower 14 from which the exhaust air is sucked and through which the exhaust air is allowed to flow. The duct 21 includes a space part 21f forming a dead end on the deep side of the flow passage and has multiple projections inside the space part 21f.
申请公布号 JP2016010429(A) 申请公布日期 2016.01.21
申请号 JP20140132107 申请日期 2014.06.27
申请人 HITACHI APPLIANCES INC 发明人 HARADA HIDEYUKI;YABE KEIICHI;ABE SHINPEI;OBAYASHI SHIRO;UCHIDA HIDEAKI;KURATA ATSUSHI;TAMURA TOSHIYUKI;KATO NAOKI
分类号 A47L9/00 主分类号 A47L9/00
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